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. Author manuscript; available in PMC: 2022 Jul 26.
Published in final edited form as: Biomed Environ Sci. 2018 May;31(5):382–388. doi: 10.3967/bes2018.049

Table 2.

Socio-demographic Characteristics of 1656 Students by Migrant Status, n (%)

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.