Table 2.

Univariate analysis of intervention group vs control group.

	Total (n students =64, n questionnaires=321)	Intervention (n students =27, n questionnaires=150)	Control (n students=37, n questionnaires=171)	P value
Questionnaires per student (Median, IQR)	5 (3–7)	5 (3–7)	4 (3–6)	0.202
Questionnaires with maximal score at baseline (weeks 1–2) (n, %) among total questionnaires (n)	88 (58.7) (n=150)	42 (57.5) (n=73)	46 (59.7) (n=77)	0.784
Questionnaires with maximal score after intervention (weeks 3–4) (n, %) among total questionnaires (n)	96 (56.1) (n=171)	48 (62.3) (n=77)	48 (51.1) (n=94)	0.139

n, number; IQR, interquartile range.