From: Change in body weight and body image in young adults: a longitudinal study
Variables | Follow-up studies | |||
---|---|---|---|---|
1982 (N = 5914) | 1984 (N = 4934)* | 1986 (N = 4742)* | 2004-5 (N = 3702) | |
n(%) | n(%) | n(%) | n(%) | |
Gender | Â | 0.83 a | 0.87 a | 0.11 a |
Male | 3037 (51.4) | 2524 (51.2) | 2428 (51.2) | 1963 (53.0) |
Female | 2876 (48.6) | 2410 (48.8) | 2314 (48.8) | 1739 (47.0) |
Maternal schooling (years) | Â | 0.63 a | 0.68 a | 0.73 a |
0 – 4 | 1960 (33.2) | 1563 (31.7) | 1511 (31.9) | 1197 (32.4) |
5 – 8 | 2454 (41.5) | 2095 (42.5) | 2012 (42.5) | 1578 (42.7) |
9 – 11 | 654 (11.1) | 559 (11.3) | 537 (11.3) | 407 (11.0) |
≥12 | 839 (14.2) | 712 (14.5) | 677 (14.3) | 516 (14.0) |
Family income (minimum wages) | Â | 0.50 a | 0.56 a | 0.97 a |
≤1 | 1288 (21.9) | 987 (20.1) | 939 (19.9) | 716 (19.4) |
1.01 – 3.0 | 2789 (47.4) | 2388 (48.6) | 2308 (48.9) | 1837 (49.8) |
3.1 – 6.0 | 1091 (18.5) | 956 (19.5) | 915 (19.4) | 705 (19.1) |
6.1 – 10.0 | 382 (6.5) | 310 (6.3) | 299 (6.3) | 220 (5.0) |
>10.0 | 335 (5.7) | 274 (5.6) | 262 (5.6) | 209 (5.7) |
 |  | Mean (standard deviation) | ||
Factorial asset index (1984) | Â | Â | Â | 0.30 b |
 |  | 3.30 (1.23) |  | 3.32 (1.21) |
Body mass index z-score (4Â years old) | Â | Â | Â | 0.90 b |
 |  |  | 0.63 (1.01) | 0.63 (0.98) |