Table. Health Literacy Moderation Effects on Weight Loss and Percent Losing >5%Weight*†.
Weight | <5% Weight Loss, % | |||
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Outcome | Effect Coefficient (Robust SE)‡ | p | Effect Coefficient (Robust SE)‡ | p |
Prediction model | ||||
Overall (n = 1460) | −0.07 (0.14) | 0.635 | −0.08 (0.45) | 0.853 |
INCENTA (n = 849) | 0.22 (0.13) | 0.087 | −0.61 (0.51) | 0.236 |
LMW (n = 611) | −0.47 (0.25) | 0.061 | 0.51 (0.73) | 0.485 |
Main effect model (n = 1460) | ||||
Group | −0.44 (0.66) | 0.506 | 1.57 (2.14) | 0.461 |
Health literacy | −0.07 (0.14) | 0.640 | −0.09 (0.45) | 0.843 |
Moderation model (n = 1460) | ||||
Group by health literacy§ | 0.66 (0.27) | 0.014 | −1.53 (0.77) | 0.047 |
INCENTA indicates incentaHEALTH; and LMW, Livin' My Weigh.
Prediction and moderation findings do not change when controlling for baseline body mass index.
Mixed effect parametric models that controlled for individual (i.e., age, gender, race, ethnicity, income, education) and worksite effects.
The time by group effect of health literacy on the weight loss outcome.