Table 1 Demographic Characteristics of the Community and Clinical Samples
Demographic variables | Sample 1 | p | Sample 2a | |||
|---|---|---|---|---|---|---|
Total (6,633) | Boys (3,280) | Girls (3,353) | χ 2 | Total (326) | ||
Ethnicity | 1.15 | 0.28 | ||||
Han nationality | 94.5% (6,267) | 94.8% (3,109) | 94.2% (3,158) | 94.2% (307) | ||
Other ethnic minority | 5.5% (366) | 5.2% (171) | 5.8% (195) | 5.8% (19) | ||
Grade | 37.74 | <0.01 | ||||
10th | 44% (2,918) | 43% (1,409) | 45% (1,509) | |||
11th | 31% (2,056) | 34.3% (1,509) | 27.8% (931) | |||
12th | 25% (1,659) | 22.7% (746) | 27.2% (913) | |||
Only one child | 68.99 | <0.01 | ||||
Yes | 65.7% (4,361) | 70.6% (2,317) | 61% (2,044) | 48.8% (159) | ||
No | 34.3% (2,272) | 29.4% (963) | 39% (1,309) | 51.2% (167) | ||
Family composition | .57 | 0.90 | ||||
Nuclear families | 91% (6,036) | 91.2% (2,992) | 90.8% (3,044) | 77.9% (254) | ||
Divorced families | 4.1% (272) | 3.9% (129) | 4.3% (143) | 11.3% (37) | ||
Remarried families | 2.7% (180) | 2.7% (87) | 2.8% (93) | 6.8% (22) | ||
Single-parent families | 2.2% (145) | 2.2% (72) | 2.2% (73) | 4% (13) | ||
Paternal education | 0.87 | 0.78 | ||||
Primary or less | 51% (3,383) | 51.6% (1,692) | 50.4% (1,691) | 55.8% (182) | ||
High school | 32.1% (2,129) | 31.7% (1,040) | 32.5% (1,089) | 26.1% (85) | ||
University | 16.9% (1,121) | 17.7% (581) | 16.1% (540) | 18.1% (59) | ||
Maternal education | 2.56 | 0.14 | ||||
Primary or less | 59.4% (3,940) | 58.3% (1,912) | 60.5% (2,028) | 62% (202) | ||
High school | 28.4% (1,884) | 27.4% (899) | 29.4% (985) | 23% (75) | ||
University | 12.2% (809) | 14.3% (469) | 10.1% (340) | 15% (49) | ||