Table 1 Comparison of demographics between LBA and NLBA
Variable | LBA (n = 1078) % (n) | NLBA (n = 3452) % (n) | P-value |
|---|---|---|---|
Gender | Â | Â | 0.005 |
 Boy | 49.5(534) | 44.6(1540) |  |
 Girl | 50.5(544) | 55.4(1912) |  |
SES | Â | Â | 0.000 |
 High | 14.8(160) | 19.7(681) |  |
 Middle | 35.8(386) | 37.1(1281) |  |
 Low | 49.4(532) | 43.2(1490) |  |
Only child | Â | Â | 0.000 |
 Yes | 46.1(497) | 54.8(1891) |  |
 No | 53.9(581) | 45.2(1561) |  |