Table 1 Sample description1
Variable | Girls (n = 3 238) | Boys (n = 3 392) | Total (n = 6 630) |
|---|---|---|---|
Age: M (SE) | 14.62 (0.023) | 14.62 (0.024) | 14.62 (0.018) |
Percentage body fat: M (SE) | 26.26 (0.181) *** | 19.39 (0.230) *** | 22.74 (0.166) |
Region: n (%) | |||
East (former GDR) | 1099 (18.4) | 1111 (18.5) | 2210 (18.5) |
West (former FRG) | 2139 (81.6) | 2281 (81.5) | 4420 (81.5) |
Socioeconomic status (SES): n (%) | |||
low | 883 (27.8) | 945 (28.2) | 1828 (28.0) |
medium | 1568 (47.5) | 1635 (46.8) | 3203 (47.1) |
high | 787 (24.7) | 812 (24.9) | 1599 (24.8) |
Migrant background: n (%) | |||
non-migrant | 2747 (82.6) | 2851 (82.3) | 5598 (82.5) |
migrant | 488 (17.4) | 540 (17.7) | 1028 (17.5) |
Pubic hair stage***: n (%) | |||
prepubescent (stage 1) | 181 (4.9) | 239 (6.0) | 420 (5.5) |
early/mid-puberty (stage 2-3) | 476 (13.1) | 971 (26.0) | 1447 (19.7) |
advanced/mature (stage 4-6) | 2531 (82.0) | 2108 (67.9) | 4639 (74.8) |
Menarche (girls)/voice change (boys): n (%) | |||
regular menses/deep voice | 1685 (54.8) | 1307 (44.1) | n/a |
irregular menses/fluctuating voice | 627 (20.6) | 788 (22.9) | n/a |
no menses/no change | 904 (24.6) | 1242 (33.1) | n/a |
Relative pubertal timing**: n (%) | |||
early | 696 (20.8) | 623 (17.2) | 1319 (19.0) |
average | 1845 (59.7) | 2013 (63.5) | 3858 (61.7) |
late | 640 (19.5) | 670 (19.2) | 1310 (19.3) |
Body dissatisfaction (BDS) ***: n (%) | |||
much too thin | 56 (1.7) | 103 (3.1) | 159 (2.4) |
too thin | 243 (7.2) | 547 (17.1) | 790 (12.3) |
exactly right weight | 1169 (36.4) | 1519 (44.5) | 2688 (40.5) |
too fat | 1419 (44.5) | 1021 (30.6) | 2440 (37.4) |
much too fat | 318 (10.1) | 158 (4.7) | 476 (7.3) |
PA frequency***: n (%) | |||
nearly every day | 582 (17.5) | 987 (28.3) | 1569 (23.0) |
3-5 times/week | 833 (26.5) | 1201 (36.6) | 2034 (31.7) |
about 1-2 times/week | 1104 (35.0) | 831 (25.0) | 1935 (29.9) |
about 1-2 times/month | 238 (7.3) | 118 (3.8) | 356 (5.5) |
never | 435 (13.9) | 194 (6.3) | 629 (10.0) |