Characteristics | n | % | |
---|---|---|---|
Agea [year, mean (SD)] | 15.33 (1.57) | ||
Sex | Boys | 3670 | 49.4 |
Girls | 3764 | 50.6 | |
Ethnicity | Hanb | 7397 | 99.5 |
Others | 37 | 0.5 | |
Parental martial status | Married | 6767 | 91.0 |
Not current marriedc | 667 | 9.0 | |
Immigrants’ second generation | Yes | 619 | 8.3 |
Single-child status | Yes | 354 | 4.8 |
Left-behind statusd | Yes | 1463 | 19.7 |
Chronic physical illnesse | Yes | 133 | 1.8 |
Family history of psychiatric illness | Yes | 81 | 1.1 |
Family monthly incomes | < 6000 | 2456 | 33.0 |
6000–12,000 | 1907 | 25.7 | |
12,000–18,000 | 372 | 5.0 | |
18,000–24,000 | 111 | 1.5 | |
> 24,000 | 144 | 1.9 | |
Unknown | 2444 | 32.9 | |
Negative life events [mean (SD)] | 29.66 (13.97) | ||
IU levels at T1 [mean (SD)] | 30.26 (11.16) | ||
IU levels at T2 [mean (SD)] | 31.18 (10.61) | ||
Generalized anxiety symptoms severity at T1 [mean (SD)] | 3.35 (4.22) | ||
Generalized anxiety symptoms severity at T2 [mean (SD)] | 3.15 (4.04) |