Arbeids- og kompetanseområde
Roy Miodini Nilsen er forsker og professor ved Høgskulen på Vestlandet. Han har en doktorgrad fra Universitetet i Bergen, hvor han skrev en avhandling om folat og reproduktiv helse. Nilsen er også tilknyttet Helse Bergen HF og Helse Fonna HF som biostatistiker. Hans forskningsområder inkluderer folkehelse, epidemiologi og helsetjeneste, og han har publisert en rekke artikler innen disse feltene. Nilsen har bidratt til betydelige studier, inkludert forskning på følgende områder:
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Fagområder:
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Metodeområder:
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- HEL590, Masteroppgåve, Høst 2025
- MAFYS602, Masteroppgåve, Høst 2025
- MAJOR504, Vitskapsteori, forskingsetikk og metode, Vår 2026
- PHDH903, Forskningsdesign og -metodar, Høst 2025, emneansvarlig
- PHDH913, Introduksjon til longitudinell dataanalyse ved bruk av “mixed effects” modellar , Høst 2025, emneansvarlig
- PHDH913, Introduksjon til longitudinell dataanalyse ved bruk av “mixed effects” modellar , Vår 2026, emneansvarlig
Publikasjonar
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Upper Airway and Translaryngeal Resistance During Mechanical Insufflation-Exsufflation
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Prevalens av nedsatt bevissthet for hypoglykemi-symptomer og assosierte risikofaktorer hos voksne med type 1 diabetes: En populasjonsbasert registerstudie
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Increased risk of rehospitalisation and death in older hospital patients at risk of malnutrition: A cohort study
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Prevalence of impaired awareness of hypoglycaemia and associated factors in adults with type 1 diabetes: A nationwide, population based registry study
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Prevalence and risk factors for impaired awareness of hypoglycaemia: A registry-based study of 10,202 adults with type 1 diabetes in Norway
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Associations between term cesarean delivery in the first pregnancy and second-pregnancy preterm delivery
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Associations between non-registered ultrasound examination in pregnancy and adverse perinatal outcomes in immigrant and non-immigrant women: a Norwegian population-based study 1999–2016
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Pre-pregnancy obesity among immigrant and non-immigrant women in Norway: Prevalence, trends, and subgroup variations
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Appropriateness and outcomes of hospitalized patients telemetry monitored for cardiac arrhythmias in accordance with the American Heart Association Practice Standards–A multicenter study
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Walking and balance in older adults with age-related hearing loss: A cross-sectional study of cases and matched controls
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Hypoglycaemia symptom awareness, diabetes distress and general well-being in adults with type 1 diabetes in Norway – a nationwide registry study
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Effect of dietary interventions on nutritional status in patients with rheumatoid arthritis and spondyloarthritis - A systematic review and meta-analysis
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Age of onset for increased dose-adjusted serum concentrations of antidepressants and association with sex and genotype: An observational study of 34,777 individuals
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Migration-related risk factors and perinatal outcomes: A national population-based study of immigrant and non-immigrant women in Norway
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Unveiling sex bias and adverse neonatal outcomes in ultrasound estimation of gestational age: A population-based cohort study
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Diabetes distress among 10,186 adults with type 1 diabetes in Norway – a nationwide register study
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Diabetes distress and general well being in adults with type 1 diabetes and impaired awareness of hypoglycaemia in Norway a population based registry study
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The influence of socio-demographic and clinical factors on sick leave and return to work after open-heart surgery: a nationwide registry-based cohort study
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Diabetes Distress and Associations With Demographic and Clinical Variables: A Nationwide Population-Based Registry Study of 10,186 Adults With Type 1 Diabetes in Norway
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The impact of clinical and sociodemographic factors on sick leave after cardiac surgery
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Systemic Activation of the Kynurenine Pathway in Graves Disease With and Without Ophthalmopathy
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Nutritional risk, nutrition plan and risk of death in older health care service users with chronic diseases: A register-based cohort study
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Women’s negative childbirth experiences and socioeconomic factors: Results from the Babies Born Better survey
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Seasonal variation in gestational diabetes mellitus among women in Norway: a national population-based study
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Risk of Subsequent Preeclampsia by Maternal Country of Birth: A Norwegian Population-Based Study
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Adjusting for outcome risk factors in immigrant datasets: total or direct effects?
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Lower education and immigrant background are associated with lower participation in a diabetes education program - Insights from adult patients in the Outcomes & Multi-morbidity In Type 2 diabetes cohort (OMIT)
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Maternal body mass index by country of birth and length of residence in immigrant women in Norway
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Loneliness increases the risk of type 2 diabetes: a 20-year follow-up - results from the HUNT study
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Associations of immigrant background and diabetes start course participation in adults with type 2 diabetes in Norway - a study from the OMIT-cohort
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Gestational diabetes and maternal country of birth
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Participation in diabetes educational programs in adults with type 2 diabetes in Norway: whom are we reaching?
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Individualized nutrition plans and risk of death in older health care service users with chronic diseases
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Diabetes distress among adults with type 1 diabetes – a population-based register study
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IDF2022-0141 Diabetes distress among 10,186 adults with type 1 diabetes in Norway – a nationwide register study
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Kliniske og sosiodemografiske faktorer som fører til lengre sykemelding etter hjertekirurgi.
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Hearing threshold and physical performance in older people: a cross-sectional study from the HUNT4 cohort
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Loneliness increases the risk of type 2 diabetes: a 20 year follow-up – results from the HUNT study
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Are infants exposed to antimicrobials during the first 3 months of life at increased risk of recurrent use? An explorative data-linkage study
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Cohort profile: Outcomes & Multi-morbidity In Type 2 diabetes (OMIT) - a national registry-based observational cohort with focus on care and treatment of key high-risk groups in Norway
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Rsik of Recurrent Preeclampsia by Maternal Region of Birth: A Nationwide Population-based Study
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Maternal Folic Acid-Containing Supplement Use in Relation to Offspring Motor Function. A Prospective Study of 503 Mother-Child Dyads
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Antibiotic use in children before, during and after hospitalisation
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Seasonal variation in gestational diabetes mellitus
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The ability of the Ages and Stages Questionnaire (ASQ) to indicate motor difficulties in infants in primary care
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A randomized controlled trial on the effects of blue-blocking glasses compared to partial blue-blockers on sleep outcomes in the third trimester of pregnancy
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Obstetric outcomes in immigrant women in Norway
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A randomized controlled trial on the effect of blue-blocking glasses compared to partial blue-blockers on melatonin profile among nulliparous women in third trimester of the pregnancy
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Adverse neonatal outcomes in parous women who migrate to a new country after the first birth: a population-based study in Norway
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Adverse neonatal outcomes in parous women who migrate to a new country after the first birth: a population-based study in Norway
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Epidural analgesia for labour pain in primiparous women in Norway – the impact of country of birth and migration related factors
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Epidural analgesia for labour pain in primiparous women in Norway – the impact of country of birth and migration related factors
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Svangerskaps- og fødselskomplikasjoner i forhold til mors fødeland
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Associations between seasonality and gestational diabetes mellitus
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Preconception Folic Acid Supplement Use in Immigrant women (1999-2016)
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Preconception Folic Acid Supplement Use in Immigrant Women (1999-2016)
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Gestational diabetes mellitus by maternal country of birth and length of residence in immigrant women in Norway
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Gestational diabetes mellitus by maternal country of birth and length of residence in immigrant women
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Placental Abruption by Maternal Country of Birth: a nationwide population-based study
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Sexual dysfunction in women with type 1 diabetes in Norway: A cross-sectional study on the prevalence and associations with physical and psychosocial complications
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Dizziness and physical health are associated with pain in dizzy patients—A cross-sectional study
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Associations of overweight, obesity and osteoporosis with ankle fractures
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Prevalence of patients “at risk of malnutrition” and nutritional routines among surgical and non-surgical patients at a large university hospital during the years 2008–2018
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Sleep, evening light exposure and perceived stress in healthy nulliparous women in the third trimester of pregnancy
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Pregnancy Outcomes in Immigrant Women in Norway
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Complications during pregnancy and childbirth in immigrant women giving birth in Norway
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Use of patient-reported outcome measures (PROMs) in clinical diabetes consultations: the DiaPROM randomised controlled pilot trial
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Correction: Early diagnosis of sepsis in emergency departments, time to treatment, and association with mortality: An observational study
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Lifelong exposure to air pollution and greenness in relation to asthma, rhinitis and lung function in adulthood
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Placental abruption in immigrant women in Norway: a population-based study
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Norwegian Psychomotor Physiotherapy versus Cognitive Patient Education and active physiotherapy—A randomized controlled trial
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Gestational diabetes mellitus by maternal country of birth and length of residence in immigrant women in Norway
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No association between osteoporosis and AO classification of distal radius fractures: an observational study of 289 patients
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Paternal country of origin and adverse neonatal outcomes in births to foreign-born women in Norway: A population-based cohort study
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One Year Change in 6-Minute Walk Test Outcomes is Associated with COPD Prognosis
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The relationship between perceived social support and PTSD symptoms after exposure to physical assault: An 8 years longitudinal study
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Nutritional treatment is associated with longer survival in patients with pancreatic disease and concomitant risk of malnutrition
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Identifying targets for antibiotic stewardship interventions through analysis of the antibiotic prescribing process in hospitals - a multicentre observational cohort study
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Effects of external inspections on sepsis detection and treatment: a stepped-wedge study with cluster-level randomisation
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Epidural analgesia for labour pain in nulliparous women in Norway in relation to maternal country of birth and migration related factors
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Use of Antidepressants in Older People during a 10-Year Period: An Observational Study on Prescribed Doses and Serum Levels
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Correction: The effect of low dose marine protein hydrolysates on short-term recovery after high intensity performance cycling: A double-blinded crossover study
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Country of first birth and neonatal outcomes in migrant and Norwegian-born parous women in Norway: a population-based study
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Voice and Exercise Related Respiratory Symptoms in Extremely Preterm Born Children After Neonatal Patent Ductus Arteriosus
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Early diagnosis of sepsis in emergency departments, time to treatment, and association with mortality: An observational study
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No association between subnormal serum vitamin B12 and anemia in older nursing home patients
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Stillbirth in relation to maternal country of birth and other migration related factors: a population-based study in Norway
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Epidural analgesia in first time mothers in relation to country of birth and migration to Norway
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Measuring discharge quality based on elderly patients’ experiences with discharge conversation: a cross-sectional study
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The effect of low dose marine protein hydrolysates on short-term recovery after high intensity performance cycling: A double-blinded crossover study
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Respiratory- and voice symptoms among extremely preterm born children with prolonged ventilator dependency. A Norwegian national cohort study.
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DiaPROM og rutinemessig kartlegging av pasientrapporterte målinger i klinisk praksis
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Being overweight in childhood, puberty, or early adulthood: Changing asthma risk in the next generation?
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Discharge care quality in hospitalised elderly patients: Extended validation of the Discharge Care Experiences Survey
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Preconception folic acid supplement use in immigrant women (1999-2016)
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Loneliness as a risk factor for metabolic syndrome: results from the HUNT study
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Bias from self selection and loss to follow-up in prospective cohort studies
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Examining boys’ and girls’ health-related quality of life from the first to the third year in upper secondary school: a prospective longitudinal study.
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Efficacy of cognitive functional therapy (CFT) versus cognitive patient education and active physiotherapy (COPE+PT) in patients with non-specific low back pain – A randomized controlled trial
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The association between adherence to national antibiotic guidelines and mortality, readmission and length of stay in hospital inpatients: results from a Norwegian multicentre, observational cohort study
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Use of microbiology tests in the era of increasing AMR rates- a multicentre hospital cohort study
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Health-related quality of life as predictor for mortality in patients treated with long-term mechanical ventilation
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Routine assessment of Patient-Reported Outcome Measures (PROMs) in the DiaPROM trial
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Electronic capturing of patient-reported outcome measures on a touchscreen computer in clinical diabetes practice (the DiaPROM trial): a feasibility study
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Use of patient-reported outcome measures (PROMs) in clinical diabetes consultations: study protocol for the DiaPROM randomised controlled trial pilot study
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Stillbirth in relation to maternal country of birth and other migration related factors: a population-based study in Norway
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Hyaluronic acid is superior to autologous fat for treatment of temporal hollowing after lateral orbital wall decompression: A prospective interventional trail
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Laryngoscopy Can Be a Valuable Tool for Unexpected Therapeutic Response in Noninvasive Respiratory Interventions.
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Associations of fathers and their offsprings weight gain With non-allergic asthma
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Preeclampsia by maternal reasons for immigration: A population-based study
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Laryngeal responses to mechanically assisted cough in progressing amyotrophic lateral sclerosis
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Elderly patients’ (≥65 years) experiences associated with discharge; Development, validity and reliability of the Discharge Care Experiences Survey
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Positive IgA against transglutaminase 2 in patients with distal radius and ankle fractures compared to community-based controls
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The effect of antibiotic stewardship interventions with stakeholder involvement in hospital settings: A multicentre, cluster randomized controlled intervention study
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PROMS in diabetes practice. Electronically captured PROMs for assessing diabetes-related distress and psychological well-being in adults with type 1 diabetes. The DiaPROM Feasibility study.
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Correction: HbA1c versus oral glucose tolerance test as a method to diagnose diabetes mellitus in vascular surgery patients
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Paternal characteristics associated with maternal periconceptional use of folic acid supplementation
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A positive association between nutritional risk and the incidence of surgical site infections: A hospital-based register study
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Critical age windows in the impact of lifetime smoking exposure on respiratory symptoms and disease among ever smokers
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The feasibility and acceptability of electronic capturing of Patient-Reported Outcome Measures in clinical diabetes practice. The DiaPROM study.
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Late Breaking Abstract- Mothers' preconception overweight and offspring asthma
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In-hospital telemetry monitoring in patients with acute coronary syndrome – arrhythmias and long-term survival.
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Celiac disease and positive IgA tissue transglutaminase in patients with distal radius and ankle fracture: a case-control study
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Epidural analgesia in first time mothers in relation to country of birth and migration to Norway
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Stillbirth in relation to mother’s country of birth and migration related factors: a population-based registry study
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Pregnancy outcomes in relation to country of birth
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Health related quality of life in patients treated with long-term mechanical ventilation
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Factors associated with change in health-related quality of life among individuals treated with long-term mechanical ventilation, a 6-year follow-up study
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Antimicrobial peptide levels are linked to airway inflammation, bacterial colonisation and exacerbations in chronic obstructive pulmonary disease
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Acute hepatic porphyria and cancer risk: a nationwide cohort study
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Effects of external inspection on sepsis detection and treatment: a study protocol for a quasiexperimental study with a stepped-wedge design
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Erratum to: Maternal intake of seafood and supplementary long chain n-3 poly-unsaturated fatty acids and preterm delivery
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Maternal intake of seafood and supplementary long chain n-3 poly-unsaturated fatty acids and preterm delivery
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Less thrombolysis in posterior circulation infarction—a necessary evil?
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Diffusion capacity and CT measures of emphysema and airway wall thickness – relation to arterial oxygen tension in COPD patients.
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Impact of Pre-Pregnancy BMI on B Vitamin and Inflammatory Status in Early Pregnancy: An Observational Cohort Study
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Prevalence and determinants of preconception folic acid use: An Italian multicenter survey
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Maternal smoking impacts key biological pathways in newborns through epigenetic modification in Utero
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Maternal use of folic acid supplements and infant risk of neural tube defects in Norway 1999-2013
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Readmission and mortality one year after acute hospitalization in older patients with explained and unexplained anemia - A prospective observational cohort study
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Females report higher postoperative pain scores than males after ankle surgery
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DNA methylation score as a biomarker in newborns for sustained maternal smoking during pregnancy
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Abdominal aortic aneurysms - glycaemic status and mortality
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DNA Methylation in Newborns and Maternal Smoking in Pregnancy: Genome-wide Consortium Meta-analysis
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Maternal plasma total neopterin and kynurenine/tryptophan levels during pregnancy in relation to asthma development in the offspring
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Maternal plasma folate impacts differential DNA methylation in an epigenome-wide meta-analysis of newborns
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Effect of a pre-exercise hydrocortisone dose on short-term physical performance in female patients with primary adrenal failure
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Mortality related to hospital-associated infections in a tertiary hospital; repeated cross-sectional studies between 2004-2011
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Folic acid supplements and risk of oral clefts in the newborn: A population-based study.
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Three different outcomes in older community-dwelling patients receiving intermediate care in nursing home after acute hospitalization
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Need for more targeted measures - Only less severe hospital-associated infections declined after introduction of an infection control program
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Periconceptional folic acid supplementation and infant risk of congenital heart defects in Norway 1999-2009
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Subjective health complaints are not associated with tick bites or antibodies to Borrelia burgdorferi sensu lato in blood donors in western Norway: a cross-sectional study
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Modified-release hydrocortisone decreases BMI and HbA1c in patients with primary and secondary adrenal insufficiency
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The Norwegian version of the Severe Respiratory Insufficiency Questionnaire
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Circadian hormone profiles and insulin sensitivity in patients with Addison's disease: a comparison of continuous subcutaneous hydrocortisone infusion with conventional glucocorticoid replacement therapy
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Nutritional risk profile in a university hospital population
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Diet matters, particularly in pregnancy – Results from MoBa studies of maternal diet and pregnancy outcomes
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Predictors for PaO2 and hypoxemic respiratory failure in COPD-A three-year follow-up
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Folic acid supplementation, dietary folate intake during pregnancy and risk for spontaneous preterm delivery: a prospective observational cohort study
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Retraction: " folic acid supplementation, dietary folate intake during pregnancy and risk for spontaneous preterm delivery: A prospective observational cohort study"
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Continuous subcutaneous hydrocortisone infusion versus oral hydrocortisone replacement for treatment of Addison's disease: A randomized clinical trial
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Neonatal genome-wide methylation patterns in relation to birth weight in the Norwegian mother and child cohort
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Longterm follow-up in European respiratory health studies - patterns and implications
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Maternal smoking and DNA methylation in newborns: In utero effect or epigenetic inheritance?
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Folic acid supplementation and interpregnancy interval
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Clinical outcomes in a cohort of anti-hepatitis C virus-positive patients with significant barriers to treatment referred to a Norwegian outpatient clinic
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Seroprevalence of antibodies to Borrelia burgdorferi sensu lato in healthy adults from western Norway: risk factors and methodological aspects
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Predictors for return to own home and being alive at 6 months after nursing home intermediate care following acute hospitalization
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The nutritional strategy: four questions predict morbidity, mortality and health care costs
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Predictors of weight loss are different in men and women after sleeve gastrectomy
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Use of folic acid supplements in early pregnancy in relation to maternal plasma levels in week 18 of pregnancy
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Maternal B vitamin status in pregnancy week 18 according to reported use of folic acid supplements
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North-south gradients in plasma concentrations of B-vitamins and other components of one-carbon metabolism in Western Europe: results from the European Prospective Investigation into Cancer and Nutrition (EPIC) Study
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Working disability in Norwegian patients with vestibular schwannoma: vertigo predicts future dependence
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Conservative management or gamma knife radiosurgery for vestibular schwannoma: tumor growth, symptoms, and quality of life
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Interpregnancy Interval and Risk of Autistic Disorder
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Analysis of self-selection bias in a population-based cohort study of autism spectrum disorders
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Urinary excretion of kynurenine and tryptophan, cardiovascular events, and mortality after elective coronary angiography
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Folic acid supplementation, dietary folate intake during pregnancy and risk for spontaneous preterm delivery: a prospective observational cohort study
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HbA(1c) versus oral glucose tolerance test as a method to diagnose diabetes mellitus in vascular surgery patients
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Comparison of 2011 and 2007 global initiative for chronic obstructive lung disease guidelines for predicting mortality and hospitalization
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Mortality by level of emphysema and airway wall thickness
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Study on the role of artificially sweetened beverages in preterm delivery has limitations Reply
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Tick bites in healthy adults from western Norway: Occurrence, risk factors, and outcomes
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Evaluating iron status and the risk of anemia in young infants using erythrocyte parameters
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Predictors for remission of major components of the metabolic syndrome after biliopancreatic diversion with duodenal switch (BPDDS)
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Factors influencing the development of evidence-based practice among nurses: a self-report survey
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Pathways leading to health and quality of life in burn injured adults - A structural equation approach
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Pathways leading to self-perceived general health and overall quality of life in burned adults
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Assessing the impact of nicotine dependence genes on the risk of facial clefts: An example of the use of national registry and biobank data
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450K epigenome-wide scan identifies differential DNA methylation in newborns related to maternal smoking during pregnancy
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Association between intake of artificially sweetened and sugar-sweetened beverages and preterm delivery: a large prospective cohort study
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Maternal tryptophan and kynurenine pathway metabolites and risk of preeclampsia
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Prevalence of Postpartum Depression in Parents. An Analysis of Possible Risk- and Protective Factors. Preliminary Results
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Self-reported smoking status and plasma cotinine concentrations among pregnant women in the Norwegian Mother and Child Cohort Study
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Prevalence of Postpartum Depression in Parents. An Analysis of Possible Risk- and Protective Factors. Preliminary Results
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Influencing the Development of Evidence-Based Practice
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Faktorer som influerer på utvikling av kunnskapsbasert praksis
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Factors Influencing the Development of Evidence-Based Practice
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Low plasma vitamin B-6 status affects metabolism through the kynurenine pathway in cardiovascular patients with systemic inflammation
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Maternal folate levels in pregnancy and asthma in children at age 3 years
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Dietary and supplementary folate intake before and during pregnancy and the risk for spontaneous preterm delivery
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Effect of dietary factors in pregnancy on risk of pregnancy complications: results from the Norwegian Mother and Child Cohort Study
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Infant birth size is not associated with maternal intake and status of folate during the second trimester in norwegian pregnant women
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Folate and reproductive health - An epidemiologic study of folic acid supplement use and its relation to birth outcomes in Norwegian pregnant women
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Neural tube defects and use of folate supplements in Norway
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Association between use of hand hygiene products and rates of health care-associated infections in a large university hospital in Norway
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Self-selection and bias in a large prospective pregnancy cohort in Norway
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Folic acid and multivitamin supplement use and risk of placental abruption: A population-based registry study
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Genetic variants in IRF6 and the risk of facial clefts: Single-marker and haplotype-based analyses in a population-based case-control study of facial clefts in Norway
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Healthcare-associated infection among residents of long-term care facilities: a cohort and nested case-control study
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Patterns and predictors of folic acid supplement use among pregnant women: the Norwegian Mother and Child Cohort Study
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Folate supplementation and twin pregnancies
