Table 1 Socio-demographic profile of participants with and without sleep disturbances (n = 3443)
From: Prevalence and correlates of sleep disturbance among adolescents in the eastern seaboard of China
Variable | sleep disturbances | Â | Â | |
|---|---|---|---|---|
|  | With (n = 373) | Without (n = 3070) | χ2/t | P |
Age (years), mean (SD) | 14.63 (1.50) | 14.91 (1.60) | 3.234 | 0.001 |
Sex, n (%) |  |  | 26.599 | < 0.001 |
 Male | 150 (8.3) | 1668 (91.7) |  |  |
 Female | 223 (13.7) | 1402 (86.3) |  |  |
GAD, mean (SD) | 10.84 (5.99) | 2.89 (3.67) | 25.034 | < 0.001 |
PSSS, mean (SD) | Â | Â | Â | Â |
 Family | 17.10 (5.97) | 22.32 (5.30) | 16.165 | < 0.001 |
 Friends | 18.46 (5.82) | 21.98 (5.11) | 11.155 | < 0.001 |
 Significant other | 17.48 (5.70) | 22.15 (5.06) | 15.096 | < 0.001 |
Single-parent households, n (%) |  |  | 14.000 | < 0.001 |
 Yes | 58 (16.8) | 288 (83.2) |  |  |
 No | 315 (10.2) | 2782 (89.8) |  |  |
Parental relationship, n (%) |  |  | 133.748 | < 0.001 |
 Harmonious | 189 (7.6) | 2290 (92.4) |  |  |
 Moderate | 138 (16.6) | 694 (83.4) |  |  |
 Troubled | 46 (34.8) | 86 (65.2) |  |  |
Annual household income, n (%) |  |  | 35.889 | < 0.001 |
 Better | 79 (9.0) | 797 (91.0) |  |  |
 Good | 49 (7.1) | 643 (92.9) |  |  |
 Fair | 223 (12.5) | 1563 (87.5) |  |  |
 Poor | 22 (24.7) | 67 (75.3) |  |  |