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Table 3 Factors associated with longitudinal percent weight gain based on multivariable mixed effect model (n = 575)

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

Variable Adjusted mean difference of % weight regaina
(95% CI)
p-value
Male vs. Female
 At Challenge 1–2 2.17 (0.71, 3.62) 0.0037
 At Challenge 2–3 3.93 (0.85, 7.00) 0.0126
 At Challenge 3–4 1.58 (−2.44, 5.60) 0.4390
 At Challenge 4–5 & more 0.08 (−4.24, 4.40) 0.9695
% weight loss for first Challenge 2.29 (0.85, 3.72) 0.0020
Previous Challenge final weight −0.02 (− 0.03, − 0.01) 0.0014
Age at first Challenge − 0.04 (− 0.09, 0.00) 0.0651
English vs. Spanish − 0.20 (−1.48, 1.08) 0.7591
Group vs. Individual 1.40 (0.33, 2.48) 0.0107
Year gap between Challenges 0.80 (0.18, 1.43) 0.0124
  1. aPositive estimates means more weight gain
  2. % weight gain = ((initial weigh-in at second Challenge – final weigh-in at first Challenge)/(initial weigh-in at second Challenge) × 100%)