Table 2.
Characteristics | Level 1 Disability | Level 2 Disability | Level 3 + 4 Disability | χ 2 | p-Value a | |||
---|---|---|---|---|---|---|---|---|
N | Injured n (%) | N | Injured n (%) | N | Injured n (%) | |||
Total | 185 | 67 (36.22) ** | 227 | 45 (19.82) ** | 238 | 22 (9.24) | 46.410 | <0.001 |
Gender | ||||||||
Male | 124 | 44 (35.48) ** | 133 | 25 (18.80) | 149 | 15 (10.07) | 27.080 | <0.001 |
Female | 61 | 23 (37.70) ** | 94 | 20 (21.28) ** | 89 | 7 (7.87) | 19.840 | <0.001 |
Age | ||||||||
6–9 | 43 | 14 (32.56) ** | 78 | 21 (26.92) ** | 63 | 7 (11.11) ** | 7.960 | 0.019 |
10–13 | 91 | 33 (36.26) ** | 92 | 11 (11.96) | 100 | 6 (6.00) | 33.060 | <0.001 |
14–17 | 51 | 20 (39.22) | 57 | 13 (22.81) | 75 | 9 (12.00) * | 12.720 | 0.002 |
Ethnic group | ||||||||
Han Chinese | 172 | 60 (34.88) ** | 209 | 37 (17.70) * | 220 | 19 (8.64) | 43.220 | <0.001 |
Ethnic minorities | 13 | 7 (53.85) ** | 18 | 8 (44.44) * | 18 | 3 (16.67) | 5.220 | 0.074 |
Parent-child relationship | ||||||||
Natural parents | 176 | 61 (34.66) ** | 208 | 41 (19.71) ** | 225 | 22 (9.78) | 37.780 | <0.001 |
Adoptive parents/stepparents | 9 | 6 (66.67) * | 19 | 4 (21.05) | 13 | 0 (0.00) | 13.030 | 0.001 |
Single parent | ||||||||
Yes | 18 | 7 (38.89) | 25 | 7 (28.00) | 35 | 2 (5.71) | 9.290 | 0.010 |
No | 167 | 60 (35.93) ** | 202 | 38 (18.81) ** | 203 | 20 (9.85) | 38.680 | <0.001 |
Single child | ||||||||
Yes | 91 | 33 (36.26) ** | 133 | 30 (22.56) ** | 146 | 12 (8.22) | 27.950 | <0.001 |
No | 94 | 34 (36.17) ** | 94 | 15 (15.96) | 92 | 10 (10.87) | 20.120 | <0.001 |
Education level of father | ||||||||
Middle school or below | 47 | 14 (29.79) | 67 | 12 (17.91) | 63 | 5 (7.94) | 8.910 | 0.012 |
High school | 62 | 20 (32.26) ** | 51 | 5 (9.80) | 74 | 5 (6.76) | 18.310 | <0.001 |
College or above | 76 | 33 (43.42) ** | 109 | 28 (25.69) ** | 101 | 12 (11.88) | 22.700 | <0.001 |
Education level of mother | ||||||||
Middle school or below | 56 | 16 (28.57) | 64 | 11 (17.19) | 67 | 5 (7.46) | 9.580 | 0.008 |
High school | 52 | 12 (23.08) | 63 | 11 (17.46) | 80 | 7 (8.75) | 5.280 | 0.071 |
College or above | 77 | 39 (50.65) ** | 100 | 23 (23.00) ** | 91 | 10 (10.99) | 34.600 | <0.001 |
Family income per month | ||||||||
<5000 | 78 | 27 (34.62) ** | 94 | 17 (18.09) * | 101 | 6 (5.94) | 24.190 | <0.001 |
5000–12,000 | 68 | 23 (33.82) ** | 91 | 14 (15.38) | 95 | 12 (12.63) | 12.820 | 0.002 |
>12,000 | 39 | 17 (43.59) ** | 42 | 14 (33.33) ** | 42 | 4 (9.52) | 12.270 | 0.002 |
ap-values were derived from the Chi-square analysis of association between the severity of disability and self-harm prevalence. * Children with four levels of disability compared with children without disabilities, respectively. ** p < 0.01; * p < 0.05.