Table 2 Distribution of demographic, socioeconomic groups, proportion of people with obesity, by sex
|  | Girls (n = 1799) n(%) | Boys (n = 1871) n(%) | P 1 |
|---|---|---|---|
Age (years) |  |  | < 0.001 |
< 9 | 2(0.1) | 3(0.2) | Â |
9 | 218(12.1) | 162(8.7) | Â |
10 | 603(33.5) | 573(30.6) | Â |
11 | 529(29.4) | 619(33.1) | Â |
12 | 428(23.8) | 456(24.4) | Â |
> 12 | 21(1.18) | 58(3.1) | Â |
Puberty onset (yes) | 29(1.6) | 170(9.1) | < 0.001 |
Household wealth2 | Â | Â | 0.23 |
Poor | 360(20) | 352(18.8) | Â |
Middle | 698(38.8) | 776(41.5) | Â |
Rich | 741(41.2) | 743(39.7) | Â |
Father’s education level |  |  | 0.08 |
None | 4(0.2) | 6(0.3) | Â |
Primary school | 160(8.9) | 163(8.7) | Â |
Middle school | 792(44) | 820(43.8) | Â |
High school | 354(19.7) | 416(22.2) | Â |
Technical secondary school | 160(8.9) | 144(7.7) | Â |
Junior college | 167(9.3) | 200(10.7) | Â |
Bachelor | 144(8) | 111(5.9) | Â |
Master and above | 18(1) | 11(0.6) | Â |
Mother’s education level2 |  |  | 0.27 |
None | 11(0.6) | 8(0.4) | Â |
Primary school | 146(8.1) | 148(7.9) | Â |
Middle school | 826(45.9) | 827(44.2) | Â |
High school | 320(17.8) | 354(18.9) | Â |
Technical secondary school | 153(8.5) | 168(9) | Â |
Junior college | 180(10) | 229(12.2) | Â |
Bachelor | 150(8.3) | 126(6.7) | Â |
Master and above | 13(0.7) | 11(0.6) | Â |
Father’s occupation2 |  |  | 0.16 |
Directors in government agencies and enterprises | 144(8) | 125(6.7) | Â |
Professional or technical personnel | 172(9.6) | 217(11.6) | Â |
General staff | 136(7.6) | 150(8) | Â |
Commercial/Service workers | 126(7) | 118(6.3) | Â |
Self-employed small business owners | 329(18.3) | 350(18.7) | Â |
Non-agricultural workers | 79(4.4) | 99(5.3) | Â |
Non-agricultural laboring farmers | 56(3.1) | 76(4.1) | Â |
Farmers Laborers | 205(11.4) | 221(11.8) | Â |
Other | 435(24.2) | 410(21.9) | Â |
Unemployed | 117(6.5) | 105(5.6) | Â |
Mother’s occupation |  |  | 0.16 |
Directors in government agencies and enterprises | 75(4.2) | 75(4) | Â |
Professional or technical personnel | 113(6.3) | 116(6.2) | Â |
General staff | 175(9.7) | 180(9.6) | Â |
Commercial/Service workers | 221(12.3) | 228(12.2) | Â |
Self-employed small business owners | 262(14.6) | 279(14.9) | Â |
Non-agricultural workers | 49(2.7) | 65(3.5) | Â |
Non-agricultural workers | 49(2.7) | 65(3.5) | Â |
Non-agricultural laboring farmers | 43(2.4) | 62(3.3) | Â |
Farmers Laborers | 182(10.1) | 195(10.4) | Â |
Other | 407(22.6) | 385(20.6) | Â |
Unemployed | 272(15.1) | 286(15.3) | Â |
BMI, mean ± SD 3 | 18.4 ± 4.0 | 19.4 ± 4.4 | < 0.001 |
z-BMI, mean ± SD 3 | -0.1 ± 0.9 | 0.1 ± 1.0 | < 0.001 |
WHR, mean ± SD 3 | 0.8 ± 0.1 | 0.8 ± 0.1 | < 0.001 |
z-WHR, mean ± SD 3 | -0.1 ± 1.0 | 0.1 ± 0.9 | < 0.001 |