Johnston, B. D., Huebner, C. E., Anderson, M. L., Tyll, L. T., & Thompson, R. S. (2006). Healthy Steps in an integrated delivery system: Child and parent outcomes at 30 months. Archives of Pediatrics & Adolescent Medicine, 160(8), 793–800.
Notes from the review of this manuscript
Study presents unadjusted program and comparison group means (columns 5 and 6). Tests of statistical significance apply to adjusted results in column 7 (means difference or odds ratio). The standard errors in Johnston et al. (2006) are adjusted for clustering within clinic.