Table 3.

24-Week Weight Loss by Arm^a

Measure	Control (n=33)	No match (n=33)	1:1 match (n=33)	2:1 match (n=33)
Weight loss, poundsb
Mean (SD)	−1.0 (7.6)	4.3 (8.9)	5.3 (10.1)c	2.3 (9.8)
95% CI	−4.3, 2.3	0.8, 7.9	1.9, 8.7	−0.8, 5.5
Met 24-pound weight loss goald
N (%)	0 (0.0)	1 (3.5)	3 (10.3)	0 (0.0)
95% CI	0.0, 11.2	0.1, 17.8	2.2, 27.4	0.0, 11.6

Abbreviation: CI, confidence interval

^aThe response rate for the 24-week survey was 68%.

^b13 missing 24-week weights were imputed.

^cDifference between 1:1 match arm and control arm significant at P = 0.005. This difference remained statistically significant when we used only the 119 non-missing 24-week weights.

^dBased on 119 non-missing 24-week weights: 31 in the control arm, 29 in the no match arm, 29 in the 1:1 match arm, and 30 in the 2:1 match arm.