Examining a Ripple Effect: Do Spouses’ Behavior Changes Predict Each Other’s Weight Loss?

Figure 3

Interaction between treatment group and participants’ fat intake change when predicting spousal weight loss. High and low fat intake reduction are defined as ±1 SD from the mean reduction score of 5.82% kcal. “High reduction” thus corresponds to a reduction of 15.14% kcal, and “low reduction” corresponds to a gain of 3.50% kcal.