One outcome, duration of breastfeeding, rates low because it has high attrition and authors do not establish baseline equivalence on race or SES. On the outcomes with low attrition, summarized in the above table, the study rates moderate because the design did not statistically control for outcome measures that were assessable at baseline.
Green, B. L., Tarte, J. M., Harrison, P. M., Nygren, M., & Sanders, M. B. (2014). Results from a randomized trial of the Healthy Families Oregon accredited statewide program: Early program impacts on parenting. Children and Youth Services Review, 44, 288-298.