Table 1. Mean effect analysis: List of variables.

Index	Main variables
1. First experiences	Age at first marriage
	Age at first sexual debut
2. Risky sexual activities	Condom not always used with last partner
	Had extra-marital relationship in the past year
	Sexually active in the last 4 weeks
	Engaged in transactional sex in the past year
	Alcohol used during last sex
3. Number of relationships	No. people had sex in the past year (including wife)
	No. partners in lifetime

The index of “first experiences” is constructed on the sample of ever married individuals. The index of “risky sexual activities” is constructed on the sample of currently married individuals. The index of “number of relationships” is constructed on the full sample in the analysis (sexually active individuals).