Table 1 Characteristics of the population and distribution of weight status in children
Characteristics | Proportion n (%) | Distribution of weight status (%) | P a | |||
|---|---|---|---|---|---|---|
Underweight | Normal weight | Overweight | Obese | |||
Total | 3766 (100 %) | 14.5 % | 64.4 % | 11.2 % | 10.0 % | |
Socio-demographics | ||||||
Age (year) | 0.002 | |||||
7 | 962 (25.5) | 15.4 | 67.4 | 9.0 | 8.2 | |
8 | 998 (26.5) | 16.1 | 62.2 | 12.5 | 9.1 | |
9 | 869 (23.1) | 13.5 | 63.3 | 12.0 | 11.3 | |
10 | 840 (22.3) | 12.1 | 64.6 | 11.4 | 11.8 | |
11 ~ 12 | 97 (2.6) | 19.6 | 63.9 | 8.2 | 8.2 | |
Gender | <0.001 | |||||
Boys | 1900 (50.5) | 12.1 | 59.7 | 14.3 | 13.8 | |
Girls | 1866 (49.5) | 17.0 | 69.1 | 7.9 | 6.0 | |
Only child or not | 0.993 | |||||
Yes | 2792 (75.3) | 14.7 | 64.1 | 11.2 | 10.0 | |
No | 918 (24.7) | 14.1 | 65.3 | 11.3 | 9.4 | |
Paternal educational level | 0.394 | |||||
Junior high school or below | 371 (10.1) | 11.3 | 67.4 | 11.1 | 10.2 | |
Senior high school | 900 (24.5) | 15.1 | 63.4 | 11.4 | 10.0 | |
Junior college | 837 (22.8) | 16.7 | 62.4 | 11.8 | 9.1 | |
College or above | 1567 (42.6) | 13.8 | 65.0 | 11.0 | 10.3 | |
Maternal educational level | 0.486 | |||||
Junior high school or below | 461 (12.6) | 15.2 | 62.5 | 13.0 | 9.3 | |
Senior high school | 922 (25.2) | 13.0 | 65.0 | 11.1 | 11.0 | |
Junior college | 930 (25.4) | 16.6 | 61.9 | 12.4 | 9.1 | |
College or above | 1352 (36.9) | 13.9 | 65.7 | 10.3 | 10.1 | |
Paternal occupation | 0.626 | |||||
Commerce and services | 1362 (37.7) | 13.4 | 65.0 | 11.8 | 9.8 | |
Professional and technical | 752 (20.8) | 14.8 | 65.8 | 9.4 | 10.0 | |
Administrator and clerk | 741 (20.5) | 15.8 | 62.9 | 10.9 | 10.4 | |
Other | 757 (21.0) | 14.4 | 63.5 | 12.5 | 9.5 | |
Maternal occupation | 0.111 | |||||
Commerce and services | 1337 (37.0) | 13.5 | 64.2 | 11.8 | 10.5 | |
Professional and technical | 844 (23.4) | 15.5 | 65.4 | 10.5 | 8.5 | |
Administrator and clerk | 444 (12.3) | 12.6 | 64.9 | 11.3 | 11.3 | |
Housewife | 434 (12.0) | 12.9 | 65.4 | 11.3 | 10.4 | |
Other | 555 (15.4) | 17.5 | 61.4 | 11.4 | 9.7 | |
Monthly household income | 0.394 | |||||
< 8000 RMB | 844 (23.2) | 14.8 | 64.3 | 10.7 | 10.2 | |
8000 to 15,000 RMB | 770 (21.2) | 12.9 | 65.1 | 12.7 | 9.4 | |
≥ 15,000 RMB | 689 (18.9) | 14.8 | 66.6 | 10.4 | 8.1 | |
Refused to answer | 1334 (36.7) | 15.2 | 63.3 | 10.9 | 10.6 | |
Early life factors of children | ||||||
Birth weight (kg) | <0.001 | |||||
< 2.5 | 171 (4.8) | 22.8 | 63.2 | 7.6 | 6.4 | |
2.5 ~ 4.0 | 3166 (89.0) | 14.6 | 64.6 | 11.2 | 9.5 | |
≥ 4.0 | 222 (6.2) | 7.2 | 56.3 | 16.2 | 20.3 | |
Mode of delivery | 0.012 | |||||
Vaginal delivery | 1692 (46.4) | 15.1 | 65.9 | 10.2 | 8.8 | |
Cesarean delivery | 1956 (53.6) | 14.2 | 62.9 | 12.1 | 10.9 | |
Gestational age (week) | 0.181 | |||||
< 37 | 165 (4.6) | 15.8 | 57.6 | 13.9 | 12.7 | |
37 ~ 42 | 3378 (93.9) | 14.4 | 64.7 | 11.0 | 9.8 | |
≥ 42 | 56 (1.6) | 7.1 | 66.1 | 16.1 | 10.7 | |
Feeding patterns | 0.863 | |||||
Breastfeeding | 2965 (80.0) | 14.4 | 64.5 | 11.2 | 9.9 | |
Not breastfeeding | 739 (20.0) | 14.7 | 64.1 | 11.5 | 9.6 | |
Breastfeeding duration (month) | 0.197 | |||||
< 4.0 | 1277 (38.3) | 15.6 | 63.5 | 11.6 | 9.3 | |
4.0 ~ 5.9 | 447 (13.4) | 13.2 | 70.2 | 9.6 | 6.9 | |
6.0 ~ 7.9 | 691 (20.7) | 14.9 | 63.5 | 11.7 | 9.8 | |
≥ 8.0 | 920 (27.6) | 13.4 | 63.9 | 11.1 | 11.6 | |
Paternal weight status | <0.001 | |||||
Normal weight | 1986 (55.7) | 19.3 | 64.7 | 9.1 | 6.8 | |
Overweight | 1260 (35.3) | 9.6 | 65.3 | 13.0 | 12.1 | |
Obese | 319 (8.9) | 4.1 | 57.4 | 19.4 | 19.1 | |
Maternal weight status | <0.001 | |||||
Normal weight | 3084 (85.4) | 15.3 | 65.7 | 10.7 | 8.3 | |
Overweight | 447 (12.4) | 9.6 | 57.7 | 14.8 | 17.9 | |
Obese | 80 (2.2) | 7.5 | 50.0 | 16.3 | 26.3 | |