Table 1.
Background characteristics of the various samples, categorized by age
| 3-4 years | 4-7 yearsa | 7-11 years | 12-14 years | |
|---|---|---|---|---|
| N = 689 | N = 1505 | N = 656 | N = 534 | |
| n (%) | n (%) | n (%) | n (%) | |
| Gender | ||||
| Boy | 349 (50.7) | 790 (52.5) | 319 (48.8) | 214 (39.9) |
| Girl | 340 (49.3) | 714 (47.5) | 335 (51.2) | 323 (60.1) |
| Child’s age | ||||
| 2 years | 79 (11.6) | |||
| 3 years | 544 (79.8) | |||
| 4 years | 59 (8.7) | 304 (20.2) | ||
| 5 years | 547 (36.3) | |||
| 6 years | 403 (26.8) | |||
| 7 years | 251 (16.7) | 19 (2.9) | ||
| 8 years | 78 (11.9) | |||
| 9 years | 96 (14.6) | |||
| 10 years | 181 (27.6) | |||
| 11 years | 155 (23.6) | |||
| 12 years | 108 (16.5) | 10 (2.4) | ||
| 13 years | 19 (2.9) | 201 (49.1) | ||
| 14 years | 198 (48.4) | |||
| Family composition | ||||
| Two parents | 655 (96.5) | 1107 (89.1) | 559 (88.9) | 466 (93.6) |
| One parent | 24 (3.5) | 106 (8.5) | 70 (11.1) | 32 (6.4) |
| Paternal educational level | ||||
| Lower education | 145 (21.5) | NA | 13 (2.2) | 91 (21.6) |
| Medium education | 279 (41.3) | NA | 361 (60.9) | 150 (35.5) |
| Higher education | 251 (37.2) | NA | 219 (36.9) | 181 (42.9) |
| Maternal educational level | ||||
| Lower education | 125 (18.3) | 242 (17.8) | 13 (2.1) | 107 (25.0) |
| Medium education | 321 (47.1) | 566 (41.7) | 436 (69.0) | 171 (40.0) |
| Higher education | 236 (34.6) | 550 (40.5) | 183 (29.0) | 150 (35.0) |
NA Not available
aData on age group 4-7 come from two studies