8 kokkola town fogelholm et al 1999 1998 na weight 20

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7.8 Kokkola town Fogelholm et al. 1999 1998 (NA) weight ≥ 20% above age-specific median weight- for-height weight ≥ 40% above age-specific median weight- for-height 7–12 11.4 4.6 14.5 3.6
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127 OVERWEIGHT AND OBESITY IN ADOLESCENCE Area Reference Survey year (N) Criteria of overweight/obesity Age (y) Prevalence (%) of over-weight/obesity Boys Girls Nationwide c Pietiläinen et al. 1999 1991–1996 (9,285) BMI ≥ 25 16 17 4.1 d 6.4 d 4.3 d 4.5 d Turku city Salonen et al. 2004 2002 (134) weight > 20 % above the median weight for height from the Finnish growth standards 11–12 19.6 b Two brigades Jallinoja et al. 2008 2007 (1,111) BMI ≥ 25 BMI ≥ 30 18–20 32 8 NA e NA e a Due to wide age ranges combined to produce single estimates of the prevalence of overweight/obesity, also younger and older subjects are included in some studies. b Boys and girls combined. c Twins. d Self-reported weight and height. e NA=not available / not applicable.
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128 SUSANNA KAUTIAINEN APPENDIX 3. Studies reporting secular trends in the prevalence of overweight and obesity in different sociodemographic subgroups of adolescents. Studies reporting secular trends in the prevalence of overweight and/or obesity in different sociodemographic subgroups of adolescents a by country, age, sex and survey period. Overweight and obesity defined by the International Obesity Task Force (IOTF) criteria for BMI (or comparably, BMI cut-off points of 25 kg/m 2 and 30 kg/m 2 for conscripts), unless stated otherwise. Socio- demographic factor Country b (Reference) Age (y), sex c First–last study year (N) Statistical methods used to evaluate whether the trends differed between sociodemographic subgroups Prevalence (%) of overweight (including obesity) and/or obesity in first and last survey year (M=Males; F=Females) Main conclusion about relative differences in the temporal trends in the prevalence of overweight/ obesity Geographical region Western, Central and Eastern Austria Austria (Schober et al. 2007) 18, boys 1986–2005 (252,799–209,168) None (trend analysis within each region was carried out using Cochrane-Armitage tests). Overweight: Eastern: 18.2–23.4 Central: 15.2–21.0 Western: 11.1–17.8 Obesity: Eastern: 3.3–6.7 Central: 2.4–5.7 Western: 1.5–4.3 Continuous increase in the prevalence of overweight in the Western region, plateau in the others. No differences in obesity.
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129 OVERWEIGHT AND OBESITY IN ADOLESCENCE Socio- demographic factor Country b (Reference) Age (y), sex c First–last study year (N) Statistical methods used to evaluate whether the trends differed between sociodemographic subgroups Prevalence (%) of overweight (including obesity) and/or obesity in first and last survey year (M=Males; F=Females) Main conclusion about relative differences in the temporal trends in the prevalence of overweight/ obesity 4 regions Denmark, 4 regions (Sorensen and Price 1990) 19, boys d 1958–1977 (897–851) 1958–1977 (251–288) 1966–1977 (564–425) 1966–1977 (420–380) Logistic regression analysis with interaction term between the region and birth year variables.
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  • Spring '14
  • Ode, The Land, ........., Body mass index, overweight and obesity

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