Inproceedings: an article in a conference proceedings.
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lntergenerational differences in overweight and obesity levels in Switzerland
Title of the conference
Schweizerische Gesellschaft für Endokrinologie und Diabetologie: Jahresversammlung = Société Suisse d'Endocrinologie et de Diabétologie: Assemblée annuelle, 2013
Inselspital Bern, Switzerland, November 14-15, 2013
Background/Introduction: There is little information regarding intergenerational trends in obesity levels in Switzerland. We aimed at assessing generational differences in obesity levels. Methods: Data from MONICA (1984-1986) and CoLaus-(2003-2006) surveys. Analyses were stratified by gender and age groups (35-44, 45-54, 55-64 and 65-74 years). Results: No changes were found for body mass index (BMI) between surveys (26.2±3.4 vs. 26.6±4.0 kg/m2 in men and 24.8±4.3 vs. 25.1±4.8 kg/m2 in women, for MONICA and CoLaus, respectively). ln men, the prevalence of overweight decreased from 48.6% to 46.0% and the prevalence of obesity increased slightly from 12.4% to 16.7% (p=NS). ln women, the prevalence of overweight decreased from 29.4% to 28.4% and the prevalence of obesity increased slightly from 12.9% to 14.5% (p=NS). After multivariate adjustment on age, education and smoking levels, the odds ratio (OR) and (95% confidence interval) of being obese in 2003-6 relative to 1984-6 was 1.36 (1.01-1.83) in men and 1.44 (1.07-1.93) in women, while no significant trend was found for overweight. After stratifying for age, no increase in BMI levels was found for bath genders. Obesity levels increased in participants aged 35-44 years (from 6.2% to 11.5% in men and from 4.9% to 10.0% in women, p<0.001) and 45-54 years (from 6.2% to 14.5% in men and 4.9% to 14.5% in women, p<0.001 ). After multivariate adjustment on age, education and smoking levels, the increase in obesity levels was signifiant in women aged 35-44, OR=2.10 (1.02-4.30), while a similar, albeit nonsignificant trend was obser11ed in men: 1.85 (0.97-3.51 ). Conclusion: BMI levels appear to have levelled off in Switzerland, but the prevalence of obesity is still on the rise. The increase in obesity levels among the youngest generations is of particular concern.
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