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Author (up) Egan, K.B.; Ettinger, A.S.; DeWan, A.T.; Holford, T.R.; Holmen, T.L.; Bracken, M.B. url  doi
  Title Longitudinal associations between asthma and general and abdominal weight status among Norwegian adolescents and young adults: the HUNT Study Type Journal Article
  Year 2015 Publication Pediatr Obes Abbreviated Journal Pediatric obesity  
  Volume 10 Issue 5 Pages 345-352  
  Keywords Adiposity; Adolescent; Adult; Asthma/epidemiology/etiology/*physiopathology; Body Mass Index; Female; Follow-Up Studies; Humans; Longitudinal Studies; Male; Norway/epidemiology; Obesity, Abdominal/complications/epidemiology/*physiopathology; Odds Ratio; Overweight; Waist Circumference; Young Adult  
  Abstract BACKGROUND: In adolescents the temporal directionality to the asthma and adiposity association remains unclear. Asthma may be a consequence of obesity; however, asthma may increase adiposity. OBJECTIVES: This study aimed to assess the associations between (i) baseline weight status and subsequent asthma and (ii) baseline asthma and subsequent weight status after 4 and 11 years of follow-up (N = 1543 and N = 1596, respectively) using data from three, sequentially enrolled population-based surveys of Norwegians aged 12-30 years from 1995 to 2008. METHODS: Weight status was defined as general (body mass index) or abdominal (waist circumference) underweight, normal weight, overweight or obesity. Self-report physician-diagnosed asthma defined asthma status. RESULTS: Over the longitudinal 11-year follow-up, baseline generally overweight or abdominally obese adolescents had increased risk of asthma. Likewise, baseline asthmatics had increased risk of general overweight or abdominal obesity. After sex stratification, these associations were stronger in males. Generally (odds ratio [OR] 1.90; 95% confidence interval [CI] 1.32, 2.73) or abdominally (OR 1.66; 95% CI 1.13, 2.44) overweight males were at increased risk of asthma. Baseline asthmatic males were also at increased risk of general (OR 2.14; 95% CI 1.54, 2.98) and abdominal (OR 1.77; 95% CI 1.27, 2.47) overweight. CONCLUSIONS: Among Norwegian adolescents, a bidirectional association of asthma and adiposity was observed in males. Each baseline condition increased the risk of the other condition over time. No association was observed in females.  
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  Publisher Place of Publication Department of Chronic Disease Epidemiology, Yale School of Public Health, New Haven, CT, USA.Center Editor  
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  Notes Egan, K BEttinger, A SDeWan, A THolford, T RHolmen, T LBracken, M BengResearch Support, Non-U.S. Gov'tEngland2014/11/19 06:00Pediatr Obes. 2015 Oct;10(5):345-52. doi: 10.1111/ijpo.271. Epub 2014 Nov 18. Approved no  
  Call Number HUNT @ maria.stuifbergen @ Egan2015 Serial 1803  
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