Table 2 Calculated change in weight in kgs at 6 and 12 months (excluding outliers)^a

 Mean (sd), se (Multiply Imputed) n = 2374

−0.22 (6.9), 0.39

0.75 (7.8), 0.41

0.004 (7.5), 0.38

F(2, 106) = 1.52; p = 0.22

 Mean (sd), se (completers) n = 1019

0.11 (5.4), 0.28

0.60 (5.99), 0.23

0.19 (5.5), 0.31

F(2, 1016 = 0.75; p = 0.47

 Mean (sd), se (among abstinent n = 521

0.35 (5.8), 0.42

0.56 (6.2), 0.46

0.45 (6.0), 0.49

F(2, 518) = 0.06, p = 0.94

 Multiple imputation: Mean (sd), se (all n = 2520)

−0.22 (9.2), 0.40

0.41 (9.4), 0.40

0.40 (7.9), 0.36

F2(2, 264) = 0.87;p = 0.42

 Mean (sd), se (completers) n = 1399

−0.18 (8.4), 0.38

0.34 (8.2), 0.38

0.27 (7.4), 0.34

F(2, 1396) = 0.58, p = 0.56.

 Mean (sd), se (among abstinent n = 628

−0.38 (9.7), 0.65

0.44 (9.7), 0.63

0.40 (8.2), 0.59

F(2, 625) = 0.57; p = 0.57