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Table 3 Multiple regression models for post-intervention and follow-up BMI z-scores

From: Promoting healthful family meals to prevent obesity: HOME Plus, a randomized controlled trial

  Post-Interventiona
n = 149
Follow-Upb
n = 143
Variable β(SE) p-value β(SE) p-value
Intercept 0.001 (0.19) 0.99 0.11 (0.22) 0.60
Group (C vs. I) 0.03 (0.04) 0.43 0.07 (0.05) 0.21
Baseline BMI z-score 1.00 (0.03) <0.001 0.96 (0.04) <0.001
Child gender (male vs. female) 0.01 (0.04) 0.80 −0.06 (0.05) 0.26
Child age (months) −0.001 (0.001) 0.65 −0.00003 (0.002) 0.98
Child race     
White vs. Other −0.03 (0.07) 0.63 −0.09 (0.08) 0.31
Black vs. Other 0.08 (0.08) 0.32 −0.06 (0.10) 0.53
Family economic assistance status
(No vs. Yes)
0.03 (0.06) 0.57 −0.01 (0.07) 0.85
  1. a12-months post-baseline; R2 = 0.90, p< 0.001
  2. b21-months post-baseline; R2 = 0.86, p< 0.001