Table 1 Characteristics of children and parents
Variables | All children (n = 1939) | Children in father-child dyads (n = 517) | Children in mother-child dyads (n = 1422) |
|---|---|---|---|
Children | |||
 Age (years), mean (SD) | 11.35 ± 2.17 | 11.41 ± 2.13 | 11.32 ± 2.18 |
 Male sexa,n(%) | 959 (49.5) | 288 (55.7) | 671 (47.2) |
 Urban districta,n(%) | 895 (46.2) | 202 (39.1) | 693 (48.7) |
 Primary school stage,n(%) | 934 (48.2) | 250 (48.4) | 684 (48.1) |
 Overweight or obesity,n(%) | 670 (34.6) | 167 (32.3) | 503 (35.4) |
 Daily weekday MVPA≥60 min,n(%) | 1218 (62.8) | 325 (62.9) | 893 (62.8) |
 Daily weekend MVPA≥60 min,n(%) | 732 (37.8) | 196 (37.9) | 536 (37.7) |
 Daily MVPA≥60 min,n(%) | 1106 (57.0) | 303 (58.6) | 803 (56.5) |
Parents | |||
 Paternal age*,≥40 years old | 688 (39.9) | 197 (41.7) | 491 (39.2) |
 Maternal age*,a,≥40 years old | 447 (25.9) | 134 (29.9) | 313 (24.5) |
Paternal education level* | |||
 Junior middle school or below | 862 (49.9) | 254 (53.8) | 608 (48.5) |
 Senior middle school or junior college | 688 (39.9) | 179 (37.9) | 509 (40.6) |
 University or above | 176 (10.2) | 39 (8.3) | 137 (10.9) |
Maternal education level*,a | |||
 Junior middle school or below | 867 (50.3) | 262 (58.5) | 605 (47.4) |
 Senior middle school or junior college | 671 (38.9) | 148 (33.0) | 523 (41.0) |
 University or above | 186 (10.8) | 38 (8.5) | 148 (11.6) |
Paternal overweight or obesity* | 1100 (63.7) | 291 (61.7) | 809 (64.5) |
Maternal overweight or obesity* | 749 (43.4) | 183 (40.8) | 566 (44.4) |
Family structure* | |||
 Both parents | 1675 (86.9) | 442 (85.8) | 1233 (87.3) |
 Single parent | 180 (9.3) | 50 (9.7) | 130 (9.2) |
 Reconstituted families | 16 (0.8) | 2 (0.4) | 14 (1.0) |
 Others | 57 (3.0) | 21 (4.1) | 36 (2.5) |