Grade | Sample | N | Mean | Diff. | Effect size | |
---|---|---|---|---|---|---|
7 | Nationwide | Urban | 4332 | 0.154 | 0.248*** | 0.290 |
Rural | 5104 | − 0.094 | ||||
West region | Urban | 1181 | 0.120 | 0.327*** | 0.399 | |
Rural | 1111 | − 0.207 | ||||
9 | Nationwide | Urban | 3637 | 0.215 | 0.362*** | 0.438 |
Rural | 4675 | − 0.147 | ||||
West region | Urban | 1046 | 0.243 | 0.478*** | 0.570 | |
Rural | 973 | − 0.236 |