. Author manuscript; available in PMC: 2012 Nov 1.

Published in final edited form as: Am J Med. 2011 Aug 17;124(11):1082–1085. doi: 10.1016/j.amjmed.2011.04.016

Table 2. Post-treatment weight loss outcomes by treatment condition.

Variable	LEARN	LEARN + Reinforcement	Statistic (d.f.)	p value
N	28	28
Lost >5% of bodyweight, % (n)	25.0% (7)	64.3% (18)	χ² (1) = 8.74	.003
Mean ± SD percent weight loss	3.5% ± 4.1%	6.0% ± 4.9%	t (54) = 2.06	.04
Mean ± SD percent decrease in waist circumference	1.3% ± 4.7%	4.1% ± 7.3%	χ² (1) = 1.71	.09