Table 2 Family characteristics of the non-overweight and overweight groups
Variables | Non-overweight (N = 3370) n(%) | Overweight (N = 656) n(%) | Pvaluea |
|---|---|---|---|
Father’s age (years) | |||
 <30 | 18 (0.6) | 2 (0.3) | 0.172 |
 30-39 | 1337 (42.3) | 229 (37.9) | |
 40-49 | 1637 (51.8) | 337 (55.7) | |
 50+ | 169 (5.4) | 37 (6.1) | |
Paternal overweight | |||
 Yes | 758 (22.5) | 246 (37.5) | <0.001 |
 No | 2612 (77.5) | 410 (62.5) | |
Mother’s age (years) | |||
 <30 | 44 (1.3) | 9 (1.4) | 0.013 |
 30-39 | 2022 (61.6) | 379 (60.1) | |
 40-49 | 1192 (36.3) | 229 (36.3) | |
 50+ | 26 (0.8) | 14 (2.2) | |
Maternal overweight | |||
 Yes | 269 (8.0) | 140 (21.3) | <0.001 |
 No | 3101 (92.0) | 516 (78.7) | |
Number of siblings | |||
 0 (only child) | 328 (9.7) | 95 (14.5) | <0.001 |
 1 | 1855 (55.0) | 360 (54.9) | |
 2 or more | 1187 (35.2) | 201 (30.6) | |
Birth order | |||
 Only child | 328 (9.7) | 95 (14.5) | <0.001 |
 Oldest child | 1387 (41.2) | 230 (35.1) | |
 Youngest child | 1216 (36.1) | 261 (39.8) | |
 Middle child | 439 (13.0) | 70 (10.7) | |