Variable | Mean ± SD | T | df | P |
---|---|---|---|---|
Sex | 0.94 | 513 | 0.346 | |
Male | 16.17 ± 8.68 | |||
Female | 15.41 ± 8.40 | |||
Marital status | − 0.56 | 513 | 0.573 | |
Single | 15.51 ± 8.53 | |||
Married | 15.99 ± 8.38 | |||
Education | 0.79 | 513 | 0.427 | |
Secondary or less | 16.31 ± 9.02 | |||
University | 15.51 ± 8.38 | |||
Living area | -1.11 | 513 | 0.266 | |
Urban | 15.28 ± 8.10 | |||
Rural | 16.12 ± 8.97 |