1. Division of Adult and Community Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, GA, USA,
2. CARE-International in Tanzania, Dar es Salaam, Tanzania
3. Ms. Vallely was with CARE-Tanzania at the time of the study and is now with the University of Queensland, Australia
4. Georgia State University, Institute of Public Health, USA
5. Ministry of Health and Social Welfare, The Lake Zone, Reproductive Health Coordinator, Tanzania