Skip to main content

Table 1 General characteristics of children with normal-weight at baseline by sex

From: Incidence of childhood overweight and obesity and its association with weight-related attitudes and behaviors in China: a national longitudinal study

 

Overall

Boys

Girls

P a

 

19,887

9361 (47.1%)

10,526 (52.9%)

 

Age (years) (mean ± SD)*

10.84 ± 3.38

10.74 ± 3.36

10.93 ± 3.39

< 0.001

 6–11.9

11,242 (56.5%)

5481 (58.6%)

5761 (54.7%)

 

 12–18

8645 (43.5%)

3880 (41.5%)

4765 (45.3%)

 

Ethnicity

   

0.442

 Han

16,618 (94.3%)

7755 (94.2%)

8863 (94.4%)

 

 Others

1006 (5.7%)

482 (5.9%)

524 (5.6%)

 

Paternal education level

   

< 0.001

 Junior high school or below

7855 (47.7%)

3748 (49.2%)

4107 (46.3%)

 

 Senior high school

4505 (27.4%)

2065 (27.1%)

2440 (27.5%)

 

 Junior college

2127 (12.9%)

939 (12.3%)

1188 (13.4%)

 

 College or above

1987 (12.1%)

860 (11.3%)

1127 (12.7%)

 

Maternal education level

   

< 0.001

 Junior high school or below

8529 (51.9%)

4061 (53.6%)

4468 (50.5%)

 

 Senior high school

4107 (25.0%)

1849 (24.4%)

2258 (25.5%)

 

 Junior college

2049 (12.5%)

875 (11.6%)

1174 (13.3%)

 

 College or above

1741 (10.6%)

786 (10.4%)

955 (10.8%)

 

Monthly family income

   

< 0.001

  < 2000 RMB

1573 (7.9%)

702 (7.5%)

871 (8.3%)

 

 2000–5000 RMB

4293 (21.6%)

1985 (21.2%)

2308 (21.9%)

 

 5000–12,000 RMB

4560 (22.9%)

2089 (22.3%)

2471 (23.5%)

 

  ≥ 12,000 RMB

1487 (7.5%)

690 (7.4%)

797 (7.6%)

 

 Refuse to answer

7974 (40.1%)

3895 (41.6%)

4079 (38.8%)

 

Location

   

0.410

 Urban

13,111 (65.9%)

6144 (65.6%)

6967 (66.2%)

 

 Rural

6776 (34.1%)

3217 (34.4%)

3559 (33.8%)

 

Region

   

0.171

 Liaoning

2870 (14.4%)

1326 (14.2%)

1544 (14.7%)

 

 Tianjin

2819 (14.2%)

1368 (14.6%)

1451 (13.8%)

 

 Shanghai

2849 (14.3%)

1316 (14.1%)

1533 (14.6%)

 

 Ningxia

1993 (10.0%)

934 (10.0%)

1059 (10.1%)

 

 Chongqing

3389 (17.0%)

1616 (17.3%)

1773 (16.8%)

 

 Hunan

3040 (15.3%)

1467 (15.7%)

1573 (14.9%)

 

 Guangdong

2927 (14.7%)

1334 (14.3%)

1593 (15.1%)

 

BMI z-score at baselineb (mean ± SD)*

−0.17 ± 0.70

−0.11 ± 0.71

−0.22 ± 0.69

< 0.001

  < 0

11,442 (57.5%)

5142 (54.9%)

6300 (59.9%)

 

  ≥ 0.00~

2301 (11.6%)

1051 (11.2%)

1250 (11.9%)

 

 0.25~

2113 (10.6%)

996 (10.6%)

1117 (10.6%)

 

 0.50~

1838 (9.2%)

886 (9.5%)

952 (9.0%)

 

  ≥ 0.75

2193 (11.0%)

1286 (13.7%)

907 (8.6%)

 
  1. aDifference between boys and girls; b BMI z-score was calculated based on the WHO standard; *P < 0.001. Abbreviations: RMB Renminbi, BMI body mass index, SD standard deviation
Back to article page

International Journal of Behavioral Nutrition and Physical Activity

ISSN: 1479-5868

Contact us