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. 2020 Feb 17;20:236. doi: 10.1186/s12889-020-8317-5

Table 1.

Data sources and information on policies, party regulation, prices and alcohol use

School headmaster questionnaire Mobile questionnaire on students’ observations Students questionnaire
N 117 56 68,898
Policies x
Students knowledge of the alcohol policy x
Prices x
Party regulation x
Alcohol use x