Intervention N = 340 (%) |
Control N = 258 (%) | P value | |
---|---|---|---|
Age | 0.046 | ||
<20 years | 32.0 | 22.9 | |
20–24 years | 61.5 | 69.4 | |
>24 years | 6.5 | 7.7 | |
Lived in Shanghai | 0.014 | ||
<6 month | 5.0 | 0.8 | |
6 month – 2 year | 69.7 | 73.6 | |
>2 year | 25.3 | 25.6 | |
Education | 0.776 | ||
<10 grade | 6.8 | 8.2 | |
High school | 90.9 | 89.9 | |
College and above | 2.3 | 1.9 | |
Has a boyfriend | 55.2 | 51.6 | 0.402 |