Sustained Positive Deviant Child Care Practices and Their Effects on Child Growth in Viet Nam

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Abstract
Save the Children's (SC) successful integrated nutrition program in Viet Nam, the poverty alleviation and nutrition program (PANP), uses the positive deviance (PD) approach to identify key growth promoting behaviors and provides participatory adult education allowing mothers to develop skills related to these behaviors. We investigated whether improvements seen during a PANP intervention (1993–1995) were sustained three and four years after SC's departure. Cross-sectional surveys were administered to 46 randomly selected households in four communes that had previously participated in the PANP and 25 households in a neighboring comparison community in 1998 and 1999. Two children per household, an older child who had participated in the PANP and a younger sibling who had not, were measured (total n = 142 children), and their mothers were interviewed. Older SC children tended to be better nourished than their counterparts. Their younger siblings were significantly better nourished than those in the comparison group, with adjusted mean weight-for-age Z scores of −1.82 versus −2.45 (p = .007), weight-for-height Z scores of −0.71 versus −1.45 (p < .001), and height-for-age Z scores of −2.11 and −2.37 (ns, p = .4), respectively. SC mothers reporting feeding the younger siblings more than their counterparts did (2.9 versus 2.2 main meals per day, p < .001, and 96.2% versus 52% offering snacks, p < .01]. SC mothers reported washing their hands “often” more than comparison mothers (100% vs. 76%, p < .001). Growth-promoting behaviors identified through PD studies and practiced through neighborhood-based rehabilitation sessions persisted years after program completion. These sustained behaviors contributed to better growth of younger siblings never exposed to the program.