Table 7.

Predictors of adherence (number of sessions completed by the adolescents).

Variablea	β (SE)	P
Catholic (no religion)	0.039 (0.049)	.05
Protestant (no religion)	0.097 (0.080)	<.001
Muslim (no religion)	–0.049 (0.100)	.03
Other religion (no religion)	–0.010 (0.095)	.62
Gender (female)	–0.046 (0.040)	.02
Age	–0.138 (0.018)	<.001
Nationality (not Dutch)	0.023 (0.075)	.33
Educational level (lower)	0.088 (0.044)	<.001
Binge drinking (not binge drinking)	–0.066 (0.042)	.001

^a Religion was entered as a dummy variable (Catholic, Protestant, Muslim, other religion). Reference category of categorical variables is indicated within parentheses.