The Well Baby Lottery: Motivational Procedures for Increasing Attendance at Maternal and Child Health Clinics

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Abstract
A lottery system was used to improve attendance at four well baby clinics in four colonias in Tijuana, Mexico. Mothers earned one lottery ticket for each visit to each clinic during the intervention period. At the end of each month, ticket receipts were entered into drawings for one of three bags of groceries. The lottery system was evaluated within a “multiple baseline design” whereby the intervention was staggered across the four clinics on a month-by-month basis. Although attendance was not enhanced uniformly, an overall improvement of 25 percent was realized. The lottery system was at times hampered by administrative problems, such as the breakdown of a public address system used to announce the open hours of a clinic in one of the colonias.

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