Demographic information and characteristics of both groups on the cluster level and the individual level.
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*This is the type of school the teacher was working at when filling out the questionnaires. For the school with both a primary and secondary section, as there was no information on the section he/she was working at, we used the school type he/she worked longer at. No statistical test for comparison of baseline for both groups [27].
创建时间：
2013-09-11
