Blar i NTNU Open på forfatter "Bjørngaard, Johan Håkon"
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Disability pension and symptoms of anxiety and depression: a prospective comparison of farmers and other occupational groups. The HUNT Study, Norway.
Torske, Magnhild Oust; Hilt, Bjørn; Bjørngaard, Johan Håkon; Glasscock, David; Krokstad, Steinar (Journal article; Peer reviewed, 2015)Objectives: Agriculture has undergone major changes, and farmers have been found to have a high prevalence of depression symptoms. We investigated the risk of work disability in Norwegian farmers compared with other ... -
Dynamic relationship between multiple START assessments and violent incidents over time: a prospective cohort study
Whittington, Richard; Bjørngaard, Johan Håkon; Brown, Andrew; Nathan, Rajan; Noblett, Stephen; Quinn, Beverley (Journal article; Peer reviewed, 2014)Background: Dynamic risk factors need to be assessed repeatedly over time rather than at a single time point to examine the relationship with violence. This predictive validity study sought to examine the degree of ... -
Economic incentives and diagnostic coding in a public health care system
Anthun, Kjartan Sarheim; Bjørngaard, Johan Håkon; Magnussen, Jon (Journal article; Peer reviewed, 2016)We analysed the association between economic incentives and diagnostic coding practice in the Norwegian public health care system. Data included 3,180,578 hospital discharges in Norway covering the period 1999–2008. For ... -
Education-based health inequalities in 18,000 Norwegian couples: The Nord-Trøndelag Health Study
Nilsen, Sara Marie; Bjørngaard, Johan Håkon; Ernstsen, Linda; Krokstad, Steinar; Westin, Steinar (Journal article; Peer reviewed, 2012-11-19)Background Education-based inequalities in health are well established, but they are usually studied from an individual perspective. However, many individuals are part of a couple. We studied education-based health ... -
Education-based health inequalities in 18,000 Norwegian couples: The Nord-Trøndelag Health Study (HUNT)
Nilsen, Sara Marie; Bjørngaard, Johan Håkon; Ernstsen, Linda; Krokstad, Steinar; Westin, Steinar (Journal article; Peer reviewed, 2012)Background Education-based inequalities in health are well established, but they are usually studied from an individual perspective. However, many individuals are part of a couple. We studied education-based health ... -
The effect of smoking intensity on all-cause and cause-specific mortality-a Mendelian randomization analysis.
Vie, Gunnhild Åberge; Wootton, Robyn E; Bjørngaard, Johan Håkon; Åsvold, Bjørn Olav; Taylor, AE; Gabrielsen, Maiken Elvestad; Davey, George Smith; Romundstad, Pål Richard; Munafo, Marcus R (Peer reviewed; Journal article, 2019)Background Smoking is an important cause of mortality and recent studies have suggested that even low-intensity smoking might be associated with increased mortality. Still, smoking is associated with lower socio-economic ... -
Effectiveness of 'motivational interviewing' on sick leave: a randomized controlled trial in a social insurance setting
Aasdahl, Lene; Standal, Martin Inge; Hagen, Roger; Solbjør, Marit; Bagøien, Gunnhild; Fossen, Heidi; Foldal, Vegard; Bjørngaard, Johan Håkon; Rysstad, Tarjei Langseth; Grotle, Margreth; Johnsen, Roar; Fors, Egil Andreas (Peer reviewed; Journal article, 2023)Objective This study aimed to evaluate the effectiveness of motivational interviewing (MI) – a counselling approach offered by caseworkers at the Norwegian Labor and Welfare Administration (NAV) – on return to work (RTW) ... -
Effects of GP characteristics on unplanned hospital admissions and patient safety. A 9-year follow-up of all Norwegian out-of-hours contacts
Svedahl, Ellen Rabben; Pape, Kristine; Austad, Bjarne; Vie, Gunnhild Åberge; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Bjørngaard, Johan Håkon (Peer reviewed; Journal article, 2021)Background There are substantial differences in hospital referrals between general practitioners (GPs); however, there is little research on the consequences for patient safety and further healthcare use. Objective To ... -
Employees' drug purchases before and after organizational downsizing: a natural experiment on the Norwegian working population (2004-2012)
Kaspersen, Silje Lill; Pape, Kristine; Carlsen, Fredrik; Ose, Solveig Osborg; Bjørngaard, Johan Håkon (Journal article; Peer reviewed, 2017)Objectives This study investigated the association between organizational downsizing and purchases of prescribed drugs by private sector employees in Norway. Methods A natural experiment was constructed using individual-level ... -
Exposure to domestic violence influences pregnant women's preparedness for childbirth in Nepal: A cross-sectional study
Devi Pun, Kunta; Rishal, Poonam; Infanti, Jennifer; Bjørngaard, Johan Håkon; Koju, Rajendra; Schei, Berit; Darj, Elisabeth (Journal article; Peer reviewed, 2018)Objective This study aimed to evaluate if domestic violence affected women’s ability to prepare for childbirth. Birth preparedness and complication readiness (BP/CR) includes saving money, arranging transportation, ... -
Farmers' mental health: A longitudinal sibling comparison - the HUNT study, Norway
Torske, Magnhild Oust; Bjørngaard, Johan Håkon; Hilt, Bjørn; Glasscock, David; Krokstad, Steinar (Journal article; Peer reviewed, 2016)Objective: Studies of the mental health of farmers have been largely cross-sectional and possibly confounded. We performed a prospective cohort study as well as a sibling comparison to control for unmeasured confounding. ... -
Gender differences and gender convergence in alcohol use over the past three decades (1984–2008), The HUNT Study, Norway
Bratberg, Grete Helen; Wilsnack, Sharon; Wilsnack, Richard; Haugland, Siri Håvås; Krokstad, Steinar; Sund, Erik Reidar; Bjørngaard, Johan Håkon (Journal article; Peer reviewed, 2016)Background: To examine changes in men‘s and women’s drinking in Norway over a 20-year period, in order to learn whether such changes have led to gender convergence in alcohol drinking. Methods: Repeated ... -
General practitioners ending their practice and impact on patients' health, healthcare use and mortality: a protocol for national registry cohort studies in Norway, 2008 to 2021
Vinjerui, Kristin Hestmann; Anthun, Kjartan Sarheim; Asheim, Andreas; Carlsen, Fredrik; Mjølstad, Bente Prytz; Nilsen, Sara Marie; Pape, Kristine; Bjørngaard, Johan Håkon (Peer reviewed; Journal article, 2023)Introduction Continuous general practitioner (GP) and patient relations associate with positive health outcomes. Termination of GP practice is unavoidable, while consequences of final breaks in relations are less explored. ... -
General practitioners retiring or relocating and its association with healthcare use and mortality: a cohort study using Norwegian national data
Vinjerui, Kristin Hestmann; Asheim, Andreas; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Mjølstad, Bente Prytz; Nilsen, Sara Marie; Pape, Kristine; Bjørngaard, Johan Håkon (Journal article; Peer reviewed, 2024) -
Genetic associations with temporal shifts in obesity and severe obesity during the obesity epidemic in Norway: A longitudinal population-based cohort (the HUNT Study)
Brandkvist, Maria Charlotta; Bjørngaard, Johan Håkon; Ødegård, Rønnaug; Brumpton, Ben Michael; Smith, George Davey; Åsvold, Bjørn Olav; Sund, Erik; Kvaløy, Kirsti; Willer, Cristen J.; Vie, Gunnhild Åberge (Peer reviewed; Journal article, 2020)Background Obesity has tripled worldwide since 1975 as environments are becoming more obesogenic. Our study investigates how changes in population weight and obesity over time are associated with genetic predisposition ... -
Health and Unemployment in Norway: Selection or Causation?
Kaspersen, Silje L. (Doctoral theses at NTNU;2017:310, Doctoral thesis, 2017) -
Health care help seeking behaviour among prisoners in Norway
Nesset, Merete Berg; Rustad, Åse-Bente L; Kjelsberg, Ellen; Almvik, Roger; Bjørngaard, Johan Håkon (Journal article; Peer reviewed, 2011)Background: Prisoners are associated with high health care needs compared with the general population. This study aims to investigate prisoners' use of health service. Methods: A cross-sectional study of 29 prisons ... -
Health services under pressure: General practitioners´ workload, gatekeeping, and patient safety
Svedahl, Ellen Rabben (Doctoral theses at NTNU;2022:157, Doctoral thesis, 2022)Norsk sammendrag Bakgrunn Med en økende og aldrende befolkning verden over øker presset på helsevesenet og kapasiteten utfordres. Helsevesenet i Norge er rangert som et av verdens beste, og har en universell utforming ... -
Heavier smoking increases coffee consumption: findings from a Mendelian randomization analysis
Bjørngaard, Johan Håkon; Nordestgaard, AT; Taylor, Amy E; Treur, Jorien L; Gabrielsen, Maiken Elvestad; Munafo, Marcus R; Nordestgaard, BG; Åsvold, Bjørn Olav; Romundstad, Pål Richard; Davey Smith, George (Journal article; Peer reviewed, 2017)Background There is evidence for a positive relationship between cigarette and coffee consumption in smokers. Cigarette smoke increases metabolism of caffeine, so this may represent a causal effect of smoking on caffeine ... -
Heavier smoking may lead to a relative increase in waist circumference: Evidence for a causal relationship from a Mendelian randomisation meta-analysis. The CARTA consortium
Morris, Richard W.; Taylor, Amy E.; Fluharty, Meg E.; Bjørngaard, Johan Håkon; Åsvold, Bjørn Olav; Gabrielsen, Maiken Elvestad; Campbell, Archie; Marioni, Riccardo; Kumari, Meena; Korhonen, Tellervo; Männistö, Satu; Marques-Vidal, Pedro; Kaakinen, Marika; Cavadino, Alana; Postmus, Iris; Husemoen, Lise Lotte N.; Skaaby, Tea; Ahluwalia, Tarun Veer Singh; Treur, Jorien L.; Willemsen, Gonneke; Dale, Caroline; Wannamethee, S. Goya; Lahti, Jari; Palotie, Aarno; Räikkönen, Katri; McConnachie, Alex; Padmanabhan, Sandosh; Wong, Andrew; Dalgård, Christine; Paternoster, Lavinia; Ben-Shlomo, Yoav; Tyrrell, Jessica; Horwood, John; Fergusson, David M.; Kennedy, Martin A.; Nohr, Ellen A.; Christiansen, Lene; Kyvik, Kirsten Ohm; Kuh, Diana; Watt, Graham; Eriksson, Johan G.; Whincup, Peter H.; Vink, Jacqueline M.; Boomsma, Dorret I.; Smith, George Davey; Lawlor, Debbie; Linneberg, Allan; Ford, Ian; Jukema, J. Wouter; Power, Chris; Hyppönen, Elina; Jarvelin, Marjo-Riitta; Preisig, Martin; Borodulin, Katja; Kaprio, Jaakko; Kivimaki, Mika; Smith, Blair H.; Hayward, Caroline; Romundstad, Pål Richard; Sørensen, Thorkild I.A.; Munafo, Marcus R.; Sattar, Naveed (Journal article; Peer reviewed, 2015)Objectives: To investigate, using a Mendelian randomisation approach, whether heavier smoking is associated with a range of regional adiposity phenotypes, in particular those related to abdominal adiposity. Design: ...