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Table 2 Factors associated with longitudinal percent weight loss based on multivariable mixed effect model (n = 699)

From: Weight loss and weight gain among participants in a community-based weight loss Challenge

Variable Adjusted mean difference of % weight lossa
(95% CI)
p-value
Male vs. Female
 At Challenge 1 1.63 (0.70, 2.57) 0.0007
 At Challenge 2 1.12 (0.03, 2.21) 0.0438
 At Challenge 3 1.14 (−0.62, 2.90) 0.2048
 At Challenge 4 & more 0.40 (−1.50, 2.30) 0.6774
Weight at first Challenge registration 0.01 (0.01, 0.02) < 0.0001
Age at first Challenge −0.02 (− 0.04, 0.01) 0.2650
English vs Spanish −0.11 (− 0.84, 0.62) 0.7703
Group vs individual 0.01 (−0.55, 0.58) 0.9590
Number of repeated Challenges 0.27 (0.01, 0.52) 0.0407
  1. aPositive estimate means more weight loss
  2. % weight loss = ((initial weigh-in at first Challenge – final weigh-in at first Challenge)/(initial weigh-in at first Challenge) × 100%)