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. Author manuscript; available in PMC: 2017 Aug 3.
Published in final edited form as: Am J Health Promot. 2016 Mar;30(4):279–282. doi: 10.1177/0890117116639558

Table. Health Literacy Moderation Effects on Weight Loss and Percent Losing >5%Weight*.

Weight <5% Weight Loss, %


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.