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Journal of Health Psychology, Vol. 10, No. 2, 185-195 (2005)
DOI: 10.1177/1359105305049763
© 2005 SAGE Publications

Learning from Success and Failure in Psychosocial Intervention: An Evaluation of Low Birth Weight Prevention Trials

Qian Lu

Michael C. Lu

Christine Dunkel Schetter

University of California, Los Angeles, USA

The object of the study was to evaluate the research designs of social support interventions for prevention of low birth weight (LBW). A literature search of published articles identified 12 randomized controlled trials of social support to prevent LBW birth. These were evaluated using specific methodological criteria for effective intervention research. Only one study showed a significant reduction in LBW. However, none of the studies met all of the proposed criteria for rigorous intervention research. It is premature to conclude that social support interventions are ineffective in preventing LBW. Specific recommendations for future intervention research design are outlined.

Key Words: intervention • low birth weight (LBW) • pregnancy risk • psychosocial • social support


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