Variables, n (%) | Overall (n = 1179) | Shantou, Guangdong 370 (31.38) | Hezhou, Guangxi 398 (33.76) | Nanchong, Sichuan 411 (34.86) | χ2 / F | p |
---|---|---|---|---|---|---|
Age (Years) | 12.83 ± 1.27 | 13.46 ± 1.19 | 12.76 ± 1.17 | 12.33 ± 1.21 | 88.77a | < 0.001 |
Gender | Â | Â | Â | Â | 8.17b | 0.017 |
Male | 559(47.41) | 167(29.87) | 174(31.13) | 218(39.00) | Â | Â |
Female | 620(52.59) | 203(32.74) | 224(36.13) | 193(31.13) | Â | Â |
Study stage | Â | Â | Â | Â | 9.19b | 0.010 |
Primary school | 641(54.37) | 201(31.36) | 195(30.42) | 245(38.22) | Â | Â |
Secondary school | 538(45.63) | 169(31.41) | 203(37.73) | 166(30.86) | Â | Â |
Father’s education level |  |  |  |  | 7.20c | 0.027 |
Under junior high school | 674 (57.17) | 186(27.6) | 237(35.16) | 251(37.24) | Â | Â |
Senior school | 172 (14.59) | 71(41.28) | 41(23.84) | 60(34.88) | Â | Â |
Undergraduate | 30 (2.54) | 16(53.34) | 7(23.33) | 7(23.33) | Â | Â |
Master degree or above | 303 (25.70) | 97(32.01) | 113(37.30) | 93(30.69) | Â | Â |
Mother’s education level |  |  |  |  | 1.57c | 0.456 |
Under junior high school | 691 (58.61) | 205(29.67) | 235(34.01) | 251(36.32) | Â | Â |
Senior school | 132 (11.20) | 52(39.40) | 36(27.27) | 44(33.33) | Â | Â |
Undergraduate | 24 (2.03) | 14(58.33) | 3(12.50) | 7(29.17) | Â | Â |
Master degree or above | 332 (28.16) | 99(29.82) | 124(37.35) | 109(32.83) | Â | Â |
Father’s occupation |  |  |  |  | 152.02b | < 0.001 |
Health worker | 46 (3.90) | 25(54.35) | 10(21.74) | 11(23.91) | Â | Â |
Non-medical institute staff | 185 (15.69) | 88(47.57) | 43(23.24) | 54(29.19) | Â | Â |
Business and service practitioner | 408 (34.61) | 51(12.50) | 209(51.23) | 148(36.27) | Â | Â |
Migrant worker and farmers | 196 (16.62) | 61(31.12) | 44(22.45) | 91(46.43) | Â | Â |
Other | 344 (29.18) | 145(42.15) | 92(26.74) | 107(31.1) | Â | Â |
Mother’s occupation |  |  |  |  | 128.44b | < 0.001 |
Health worker | 46 (3.90) | 20(43.48) | 14(30.43) | 12(26.09) | Â | Â |
Non-medical institute staff | 181 (15.35) | 82(45.30) | 48(26.52) | 51(28.18) | Â | Â |
Business and service practitioner | 380 (32.23) | 44(11.58) | 195(51.32) | 141(37.10) | Â | Â |
Migrant worker and farmers | 262 (22.22) | 99(37.78) | 69*26.34) | 94(35.88) | Â | Â |
Other | 310 (26.30) | 125(40.32) | 72(23.23) | 113(36.45) | Â | Â |
Whether lives with parents |  |  |  |  | 265.44b | < 0.001 |
Father only | 86 (7.30) | 8(9.30) | 46(53.49) | 32(37.21) | Â | Â |
Mother only | 127 (10.77) | 21(16.53) | 32(25.20) | 74(58.27) | Â | Â |
Both parents | 725 (61.49) | 316(43.59) | 269(37.10) | 140(19.31) | Â | Â |
Neither | 241 (20.44) | 25(10.37) | 51(21.16) | 165(68.47) | Â | Â |
Low-income family |  |  |  |  | 41.51b | < 0.001 |
Yes | 146 (12.38) | 20(13.70) | 75(51.37) | 51(34.93) | Â | Â |
No | 551 (46.74) | 165(29.95) | 176(31.94) | 210(38.11) | Â | Â |
Unknown | 482 (40.88) | 185(38.38) | 147(30.50) | 150(31.12) | Â | Â |