Table 3.
Odds ratios and 99 % confidence intervals for thinness (BMI < 17 kg/m2 at age 18 years) by country and gender from age-adjusted logistic regression models; Health Behaviour in School-aged Children (HBSC) Study
| 2001/2002 | 2005/2006 | ||||
|---|---|---|---|---|---|
| Country | 1997/1998† | OR | 99 % CI | OR | 99 % CI |
| Boys‡ | |||||
| Austria | 1·00 | 1·27 | 0·77, 2·09 | 0·97 | 0·58, 1·63 |
| Belgium-Flemish | 1·00 | 1·12 | 0·79, 1·58 | 0·81 | 0·54, 1·21 |
| Czech Republic | 1·00 | 1·25 | 0·67, 2·33 | 0 · 37 § | 0·16, 0·87* |
| Denmark | 1·00 | 0·59 | 0·33, 1·01 | 0·98 | 0·61, 1·60 |
| Finland | 1·00 | 1·07 | 0·46, 2·48 | 0·78 | 0·31, 1·99 |
| France | 1·00 | 1·30 | 0·81, 2·11 | 1·07 | 0·65, 1·77 |
| Germany | 1·00 | 0·75 | 0·48, 1·20 | 0·98 | 0·66, 1·47 |
| Greece | 1·00 | 1·37 | 0·68, 2·73 | 1·53 | 0·76, 3·01 |
| Portugal | 1·00 | 1·27 | 0·66, 1·26 | 0·87 | 0·45, 1·70 |
| Sweden | 1·00 | 1·28 | 0·59, 2·76 | 1·33 | 0·63, 2·82 |
| USA | 1·00 | 0·81 | 0·46, 1·42 | 0·55 | 0·27, 1·06 |
| Girls‡ | |||||
| Austria | 1·00 | 0·99 | 0·64, 1·53 | 0·94 | 0·61, 1·44 |
| Belgium-Flemish | 1·00 | 0·86 | 0·64, 1·15 | 0·68 § | 0·48, 0·97* |
| Czech Republic | 1·00 | 0·85 | 0·55, 1·30 | 0·47 § | 0·28, 0·79** |
| Denmark | 1·00 | 0 · 59 § | 0·39, 0·89** | 0·75 | 0·67, 1·09 |
| Finland | 1·00 | 1·25 | 0·76, 2·08 | 1·13 | 0·67, 1·89 |
| France | 1·00 | 1·12 | 0·77, 1·64 | 1·41 | 0·97, 2·06 |
| Germany | 1·00 | 0·88 | 0·62, 1·24 | 0·76 | 0·54, 1·05 |
| Greece | 1·00 | 1·22 | 0·76, 1·96 | 0·93 | 0·55, 1·55 |
| Portugal | 1·00 | 0·70 | 0·37, 1·32 | 0·65 | 0·36, 1·16 |
| Sweden | 1·00 | 1·05 | 0·62, 1·77 | 1·03 | 0·62, 1·72 |
| USA | 1·00 | 0·78 | 0·54, 1·15 | 0 · 49 § | 0·30, 0·79** |
*P < 0·01, **P < 0·001 (Wald test).
†Reference category.
‡Total samples of 11–15-year-olds.
§Underlined bold characters are used to highlight significant changes in the likelihood to be thin in 2005/2006 compared with 1997/1998 (age-adjusted OR, 99% CI)