. Author manuscript; available in PMC: 2015 Nov 12.

Published in final edited form as: Am J Health Behav. 2014 Nov;38(6):823–830. doi: 10.5993/AJHB.38.6.4

Table 2.

Lipid Outcome, Main Effects

Comparisons	k	Mean ES	95% CI	SE	Q	I²
2-group postintervention comparison	133	0.28^***	0.20, 0.36	0.04	224.04^***	41.08
2-group pre-post comparison	131	0.19^***	0.13, 0.25	0.03	477.81^***	72.79
Treatment pre-post comparison	211	0.19^***	0.15, 0.23	0.02	1097.87^***	80.87
Control pre-post comparison	131	−0.02	−0.07, 0.03	0.02	258.27^***	49.67

k = number of comparisons

ES = estimated mean of true effect sizes (d index)

SE = standard error

Q = heterogeneity statistic (weighted squared deviations from summary effect)

I² = index of heterogeneity beyond within-study sampling error

p < .05

^**

p < .01

^***

p < .001