Blar i Department of Global Public Health and Primary Care på forfatter "Andersen, John Roger"
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Anxiety and depression in association with morbid obesity: changes with improved physical health after duodenal switch
Andersen, John Roger; Aasprang, Anny; Bergsholm, Per; Sletteskog, Nils; Våge, Villy; Natvig, Gerd Karin (Peer reviewed; Journal article, 2010-05-21)Background Patients with morbid obesity have an increased risk for anxiety and depression. The "duodenal switch" is perhaps the most effective obesity surgery procedure for inducing weight loss. However, to our knowledge, ... -
Associations between physical activity and quality of life outcomes in adults with severe obesity: a cross-sectional study prior to the beginning of a lifestyle intervention
Jepsen, Randi; Aadland, Eivind; Andersen, John Roger; Natvig, Gerd Karin (Peer reviewed; Journal article, 2013-11-05)Background: Severely obese individuals who seek lifestyle interventions have impaired quality of life (QoL). Research suggests that physical activity (PA) plays a role in weight reduction and improved health in this group, ... -
Changes in quality of life 5 years after sleeve gastrectomy: A prospective cohort study
Flølo, Tone Nygaard; Tell, Grethe S.; Kolotkin, Ronette Loganzo; Aasprang, Anny; Norekvål, Tone M.; Våge, Villy; Hufthammer, Karl Ove; Andersen, John Roger (Peer reviewed; Journal article, 2019-09-12)Objectives Sleeve gastrectomy (SG) is the most frequently performed bariatric surgery procedure worldwide, but reports on long-term quality of life (QOL) outcomes are scarce. We investigated 5-year trajectories in QOL and ... -
Correlated physical and mental health composite scores for the RAND-36 and RAND-12 health surveys: can we keep them simple?
Andersen, John Roger; Breivik, Kyrre; Engelund, Inger Elise; Iversen, Marjolein M.; Kirkeleit, Jorunn; Norekvål, Tone Merete; Oterhals, Kjersti; Storesund, Anette (Journal article; Peer reviewed, 2022-06-03)Background: The RAND-36 and RAND-12 (equivalent to versions 1 of the SF-36 Health Survey and SF-12 Health Survey, respectively) are widely used measures of health-related quality of life. However, there are diverging views ... -
A cross-sectional study of self-reported general health, lifestyle factors, and disease: the Hordaland Health Study
Jepsen, Randi; Dogisso, Tadesse Washo; Dysvik, Elin; Andersen, John Roger; Natvig, Gerd Karin (Peer reviewed; Journal article, 2014-10-02)Background. Information on self-reported health is important for health professionals, and the aim of this study was to examine associations between lifestyle factors and self-reported health and the mediating effect of ... -
Eating self-efficacy as predictor of long-term weight loss and obesity-specific quality of life after sleeve gastrectomy: A prospective cohort study
Flølo, Tone Nygaard; Kolotkin, Ronette L.; Aasprang, Anny; Norekvål, Tone M.; Våge, Villy; Andersen, John Roger; Tell, Grethe S. (Peer reviewed; Journal article, 2019-02)Background: A person's confidence to control eating, eating self-efficacy (ESE), has been identified as a target for long-term weight management in nonsurgical weight loss interventions, but has to a limited extent been ... -
An Experientially Derived Model of Flexible and Intentional Actions for Weight Loss Maintenance After Severe Obesity
Natvik, Eli; Råheim, Målfrid; Andersen, John Roger; Moltu, Christian (Peer reviewed; Journal article, 2019)Background: Knowledge about non-surgical weight loss (WL) is scarce among people with severe obesity (SO). Lifestyle changes are primarily self-driven, occasionally accompanied by professional guidance and weight-management ... -
Factors and associations for physical activity in severely obese adults during a two-year lifestyle intervention
Jepsen, Randi; Aadland, Eivind; Robertson, Lesley; Kristiansen, Merete; Andersen, John Roger; Natvig, Gerd Karin (Peer reviewed; Journal article, 2014-08-07)Objective. This study of severely obese adults participating in a two-year lifestyle intervention investigates associations between the independent variables: change in self-efficacy for physical activity (PA) in the face ... -
Five-year Changes in Health-Related Quality of Life after Biliopancreatic Diversion with Duodenal Switch
Aasprang, Anny; Andersen, John Roger; Våge, Villy; Kolotkin, Ronette L.; Natvig, Gerd K. (Peer reviewed; Journal article, 2013-05-31)Background: Long-term data of health-related quality of life (HRQL) after biliopancreatic diversion with duodenal switch (BPDDS) procedure are lacking. The aim of this study was to evaluate changes in HRQL from baseline ... -
Health-Related Quality of Life following Bariatric Surgery: A Systematic Review of Prospective Long- Term Studies
Andersen, John Roger; Aasprang, Anny; Karlsen, Tor-Ivar; Natvig, Gerd Karin; Våge, Villy; Kolotkin, Ronette Loganzo (Peer reviewed; Journal article, 2015-03)Impaired health-related quality of life (HRQoL) is common in bariatric surgery candidates and is often one of the motivating factors for seeking bariatric surgery. Although many studies have reported changes in HRQoL after ... -
Living a successful weight loss after severe obesity
Natvik, Eli; Råheim, Målfrid; Andersen, John Roger; Moltu, Christian (Peer reviewed; Journal article, 2018)Purpose: Losing weight and keeping it off for the long term is difficult. Weight regain is common. Experiences of successful non-surgical weight loss after severe obesity are largely unexplored. We know little about long-term ... -
The Norse Feedback in a population of patients undergoing bariatric surgery—Psychometric properties of a digital computer-adaptive questionnaire assessing mental health
Hegland, Pål Andre; McAleavey, Andrew; Aasprang, Anny; Moltu, Christian; Kolotkin, Ronette Loganzo; Andersen, John Roger (Journal article; Peer reviewed, 2021)The Norse Feedback (NF) is a questionnaire developed for patient-reported outcome monitoring with a clinical feedback system (PRO/CFS). As mental health is a concern after bariatric surgery, the use of the NF as part of ... -
A novel patient-reported outcome monitoring with clinical feedback system in bariatric surgery care: study protocol, design and plan for evaluation
Hegland, Pål Andre; Aasprang, Anny; Kolotkin, Ronette Loganzo; Moltu, Christian; Tell, Grethe S.; Andersen, John Roger (Journal article; Peer reviewed, 2020)Background: Consultations before and after bariatric surgery should include structured assessments of patients’ health-related quality of life (HRQOL) and mental health. One way to conduct this assessment is to implement ... -
Overall Treatment Satisfaction 5 Years After Bariatric Surgery
Hegland, Pål Andre; Aasprang, Anny; Kolotkin, Ronette L.; Tell, Grethe S.; Andersen, John Roger (Peer reviewed; Journal article, 2019)Introduction: Up to 30 % of patients undergoing bariatric surgery are dissatisfied with treatment outcomes in the long term. The aim of this study was to examine overall satisfaction with treatment 5 years after bariatric ... -
Physical Activity and Quality of Life in Severely Obese Adults during a Two-Year Lifestyle Intervention Programme
Jepsen, Randi; Aadland, Eivind; Robertson, Lesley; Kolotkin, Ronette L.; Andersen, John Roger; Natvig, Gerd Karin (Peer reviewed; Journal article, 2015)It is unknown how changes in physical activity may affect changes in quality of life (QoL) outcomes during lifestyle interventions for severely obese adults. The purpose of this study was to examine associations in the ... -
Psychometric properties of the Norwegian version of the Kidscreen-27 questionnaire
Andersen, John Roger; Natvig, Gerd Karin; Haraldstad, Kristin; Skrede, Turid; Aadland, Eivind; Resaland, Geir Kåre (Peer reviewed; Journal article, 2016-04-09)Background: The Norwegian version of the Kidscreen-27, a measure of generic health-related quality of life, has not yet been validated. Thus, the aim of this study was to investigate the reliability and validity of the ... -
Psychosocial functioning before and after surgical treatment for morbid obesity: reliability and validation of the Norwegian version of obesity-related problem scale
Aasprang, Anny; Andersen, John Roger; Våge, Villy; Kolotkin, Ronette L.; Natvig, Gerd Karin (Peer reviewed; Journal article, 2015-09-29)Background. The aims of this study were to translate the Obesity-Related Problem scale (OP scale) into the Norwegian language and test its reliability, validity and responsiveness in a Norwegian sample. Method. The ... -
Ten-year changes in health-related quality of life after biliopancreatic diversion with duodenal switch
Aasprang, Anny; Andersen, John Roger; Våge, Villy; Kolotkin, Ronette L.; Natvig, Gerd Karin (Peer reviewed; Journal article, 2016-09)Background: Long-term data on health-related quality of life (HRQL) after biliopancreatic diversion with duodenal switch (BPDDS) are scarce. The aim of this study was to evaluate changes in HRQL from baseline to 10 years ... -
Translation, adaptation, validation and performance of the American Weight Efficacy Lifestyle Questionnaire Short Form (WEL-SF) to a Norwegian version: a cross-sectional study
Flølo, Tone Nygaard; Andersen, John Roger; Nielsen, Hans Jørgen; Natvig, Gerd Karin (Peer reviewed; Journal article, 2014-09-16)Background. Researchers have emphasized a need to identify predictors that can explain the variability in weight management after bariatric surgery. Eating self-efficacy has demonstrated predictive impact on patients’ ...