Table 1 Sample characteristics of participants (n = 1417)
Variables | Â | Overweight/Obesity | P-value | |
|---|---|---|---|---|
Total populations | No (n = 1164) | Yes (n = 253) | ||
n (%) or Mean ± SD | n (%) or Mean ± SD | n (%) or Mean ± SD | ||
Age (year) | 10.9 ± 3.3 | 11.0 ± 3.3 | 10.2 ± 3.1 | < 0.001 |
Gender | ||||
 Boy | 725 (51.2%) | 570 (49.0%) | 155 (61.3%) | < 0.001 |
 Girl | 692 (48.8%) | 594 (51.0%) | 98 (38.7%) |  |
Ethnicity | ||||
 Han | 1229 (86.7%) | 995 (85.5%) | 234 (92.5%) | 0.003 |
 Minority | 188 (13.3%) | 169 (14.5%) | 19 (7.5%) |  |
Education | ||||
 Illiterate/primary school | 895 (63.2%) | 711 (61.1%) | 184 (72.7%) | 0.002 |
 Junior middle school | 368 (26.0%) | 316 (27.1%) | 52 (20.6%) |  |
 High middle school or higher | 154 (10.9%) | 137 (11.8%) | 17 (6.7%) |  |
Urbanisation index | ||||
 Low | 473 (33.4%) | 410 (35.2%) | 63 (24.9%) | 0.002 |
 Medium | 474 (33.5%) | 388 (33.3%) | 86 (34.0%) |  |
 High | 470 (33.2%) | 366 (31.4%) | 104 (41.1%) |  |
Urban or rural | ||||
 Urban | 523 (36.9%) | 414 (35.6%) | 109 (43.1%) | 0.025 |
 Rural | 894 (63.1%) | 750 (64.4%) | 144 (56.9%) |  |
Per capita annual family income | ||||
 Low | 473 (33.4%) | 402 (34.5%) | 71 (28.1%) | < 0.001 |
 Medium | 472 (33.3%) | 400 (34.4%) | 72 (28.5%) |  |
 High | 472 (33.3%) | 362 (31.1%) | 110 (43.5%) |  |
Children requested advertised foods from parents (time/week) | ||||
  < 1 | 1157 (81.7%) | 968 (83.2%) | 189 (74.7%) | 0.002 |
  ≥ 1 | 260 (18.3%) | 196 (16.8%) | 64 (25.3%) |  |
Parents purchased advertised foods for their children (time/week) | ||||
  < 1 | 1118 (78.9%) | 940 (80.8%) | 178 (70.4%) | < 0.001 |
  ≥ 1 | 299 (21.1%) | 224 (19.2%) | 75 (29.6%) |  |
Children purchased advertised foods (time/week) | ||||
  < 1 | 1177 (83.1%) | 975 (83.8%) | 202 (79.8%) | 0.132 |
  ≥ 1 | 240 (16.9%) | 189 (16.2%) | 51 (20.2%) |  |
Energy intake (kcal/d) | 1554.2 ± 569.1 | 1534.3 ± 567.2 | 1645.6 ± 570.2 | 0.004 |
Fat intake (g/d) | 58.3 ± 31.3 | 57.1 ± 31.2 | 63.7 ± 31.0 | < 0.001 |
Protein intake (g/d) | 53.9 ± 21.9 | 52.9 ± 21.7 | 58.5 ± 22.6 | < 0.001 |
Carbohydrates intake (g/d) | 203.2 ± 85.9 | 201.9 ± 85.2 | 209.3 ± 88.9 | 0.254 |