Study | The clear study aim | Appropriate justification for sample size | Representative sample (with justification) | Clear inclusion and exclusion criteria | A measure of mental health standardised | A measure of mental health locally validated | Response rate reported and losses given | Adequate description of data | Appropriate statistical analysis | Appropriate informed consent procedure | Total score |
---|---|---|---|---|---|---|---|---|---|---|---|
Chang Hseuh-ling, et al., 2002 [18] | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 7 |
Hibino Yuri, et al., 2009 [13] | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 7 |
Lau Ying, et al., 2011 [17] | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 6 |
Qu Zhiyong, et al., 2012 [15] | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 6 |
Dong Xuehan, et al., 2013 [16] | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 7 |
Ren et al., 2015 [19] | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 7 |
Watanabe et al., 2016 [14] | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 7 |