Table 2.
Characteristic | NLB (n = 108,7) |
LBO (n = 313) |
LBB (n = 256) |
P | NLB vs. LBB | NLB vs. LBO |
---|---|---|---|---|---|---|
P | P | |||||
Female | 595(54.7) | 173(55.3) | 153(59.8) | 0.34 | ||
Age in years [Mean(s)] | 15.8(1.9) | 15.7(2.0) | 16.1(2.0) | 0.025 | 0.012 | 0.60 |
Only child | 238 (21.9) | 56 (17.9) | 39 (15.2) | 0.032 | 0.018 | 0.13 |
Boarding | 709 (65.2) | 189 (60.4) | 199 (77.7) | < 0.001 | < 0.001 | 0.12 |
Grade | 0.37 | |||||
Junior high one | 202 (18.6) | 70 (22.4) | 55 (21.5) | |||
Junior two | 228 (21.0) | 63 (20.1) | 37 (14.5) | |||
Junior three | 174 (16.0) | 52 (16.6) | 40 (15.6) | |||
Senior high one | 111 (10.2) | 31 (9.9) | 28 (10.9) | |||
Senior two | 204 (18.8) | 52 (16.6) | 45 (17.6) | |||
Senior three | 168 (15.5) | 45 (14.4) | 51 (19.9) | |||
Academic performance | 0.42 | |||||
Fail | 134 (12.3) | 40 (12.8) | 42 (16.4) | |||
Poor | 251 (23.1) | 72 (23.0) | 70 (27.3) | |||
Average | 329 (30.3) | 98 (31.3) | 62 (24.2) | |||
Good | 296 (27.2) | 84 (26.8) | 67 (26.2) | |||
Excellent | 77 (7.1) | 19 (6.1) | 15 (5.9) | |||
SES | 0.003 | < 0.001 | 0.51 | |||
Low | 368 (33.9) | 98 (31.3) | 67 (26.2) | |||
Middle | 309 (28.4) | 99 (31.6) | 105(41.0) | |||
High | 410 (37.7) | 116 (37.1) | 84 (32.8) | |||
Family structure | < 0.001 | < 0.001 | 0.53 | |||
Extended family | 262 (24.1) | 86 (27.5) | 140 (54.7) | |||
Nuclear family | 769 (70.7) | 211 (67.4) | 110 (43.0) | |||
Restructured family | 24 (2.2) | 5 (1.6) | 6 (2.3) | |||
Single-parent family | 32 (2.9) | 11 (3.5) | 0 (0.0) |
Note. Boarding is defined by living in school dormitories; Nuclear family indicates one child and his/her parents; SES = socioeconomic status; NLB = Non-left-behind adolescents, LBO = adolescents who were left behind by one parent, LBB = adolescents who were left behind by both parents. Chi square statistic for continuous measures was by Kruskal-Wallis test. Age was compared with ANOVA. Significant after Bonferroni correction (P < 0.017) are in bold.