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Table 2 Weight of participants at baseline, 3 months and 12 months

From: Foods, nutrients or whole diets: effects of targeting fish and LCn3PUFA consumption in a 12mo weight loss trial

  Control Fish Fish + S pvalues
  Baseline 3 months 12 months Baseline 3 months 12 months Baseline 3 months 12 months Time Group Interaction
Mixed model with all available data only
n 39 29 18 39 30 25 40 28 20 - - -
Mean ± SD 88.5 ± 12.7 84.2 ± 12.6 81.7 ± 14.1 90.0 ± 12.2 84.8 ± 12.3 80.9 ± 12.7 88.5 ± 11.4 82.9 ± 11.7 84.3 ± 11.7 < 0.001 0.682 0.326
< 0.001 0.617 0.338
Mixed model with missing values imputed
n 39 39 39 39 39 39 40 40 40 - - -
Mean ± SD 88.5 ± 12.7 83.7 ± 12.0 82.9 ± 13.0 90.0 ± 12.2 86.0 ± 12.3 84.7 ± 13.2 88.5 ± 11.4 83.8 ± 11.3 83.7 ± 11.3 < 0.001 0.767 0.803
LOCF #
n 39 39 39 39 39 39 40 40 40 - - -
Mean ± SD 88.5 ± 12.7 84.6 ± 12.1 83.9 ± 12.7 90.0 ± 12.2 86.7 ± 12.8 85.7 ± 13.6 88.5 ± 11.4 85.2 ± 11.5 85.3 ± 11.7 < 0.001 0.805 0.457
BOCF #
n 39 39 39 39 39 39 40 40 40 - - -
Mean ± SD 88.5 ± 12.7 84.6 ± 12.1 84.8 ± 13.1 90.0 ± 12.2 86.7 ± 12.8 86.0 ± 14.0 88.5 ± 11.4 85.2 ± 11.5 86.0 ± 11.2 < 0.001 0.840 0.348
Completers only #
n 18 18 18 25 25 25 20 20 20 - - -
Mean ± SD 89.5 ± 13.9 83.2 ± 13.0 81.7 ± 14.1 87.1 ± 11.8 82.5 ± 11.8 80.9 ± 12.7 89.4 ± 12.3 84.2 ± 11.4 84.3 ± 11.7 < 0.001 0.799 0.141
  1. Adjusted for omega-3 index (red blood cell EPA + DHA).
  2. # p value calculated by repeated measures analysis of variance based on data from five time points (0, 3, 6, 9 and 12 months).
  3. LOCF last observation carried forward; BOCF baseline observation carried forward.