Table 1 Demographic distribution of migrant children in the baseline survey in 2011
Total | Boys | Girls | p-value a | |
|---|---|---|---|---|
n (%)b | n (%)b | n (%)b | ||
Sample size | 1042 (100) | 594 (57.01) | 448 (42.99) | |
Age (year), mean ± sd | 9.56 ± 1.00 | 9.67 ± 1.02 | 9.41 ± 0.94 | <0.001 |
Grade | 0.067 | |||
3 | 501 (48.08) | 271 (45.62) | 230 (51.34) | |
4 | 541 (51.92) | 323 (54.38) | 218 (48.66) | |
Siblings | 0.398 | |||
0 | 98 (9.40) | 62 (10.44) | 36 (8.03) | |
1-2 | 590 (56.62) | 330 (55.55) | 260 (58.04) | |
3 or more | 354 (33.98) | 202 (34.01) | 152 (33.93) | |
Place of birth | 0.037 | |||
Guangdong Province | 559 (53.65) | 302 (50.84) | 257 (57.37) | |
Other Province | 483 (46.35) | 292 (49.16) | 191 (42.63) | |
Age at moving to Guangzhou | 0.055 | |||
0 ~ 3 | 413 (39.64) | 228 (38.38) | 185 (41.29) | |
3 ~ 6 | 338 (32.44) | 183 (30.81) | 155 (34.60) | |
6 and above | 291 (27.92) | 183 (30.81) | 108 (24.11) | |
Family economic status | 0.007 | |||
Good | 361 (34.64) | 182 (30.64) | 179 (39.96) | |
Median | 555 (53.26) | 335 (56.40) | 220 (49.11) | |
Poor | 126 (12.10) | 77 (12.96) | 49 (10.93) |