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. 2020 Apr 10;15(4):e0231269. doi: 10.1371/journal.pone.0231269

Table 2. Information about participant selection.

School Funding City Condition OQQ (n) Focus groups (n) Interviews (students) (n) Interviews (teachers) (n)
boys girls boys girls boys girls boys girls
1 Public Huesca Control - - - - 1 1 1 -
Experim. - - 2 2 1 -
2 Semi-private Huesca Control 19 17 1 3 - 1 2 -
Experim. 21 23 4 2 - -
3 Public Huesca Control 14 18 2 2 - - 1 2
Experim. 23 26 3 2 - -
4 Semi-private Zaragoza Control 46 50 8 8 - - 2 -
Experim. 46 53 9 8 - -