Table 3.

Change as a Function of Number of Recommendations Controlling for Duration, Domain Targeted, and Self-Selected Sample.

		d (95% CI)
		Number of Recommendations
Outcome	0	1	2–3	4 or more	Fixed-effects QB	Random-effects QB	k
Behavioral	0.05a(−0.07, 0.17)	0.11b(−0.11, 0.33)	0.29c(0.17, 0.41)	0.14b(0.03, 0.25)	300.09***	34.87***	205
Clinical	0.17a(0.04, 0.30)	0.12a(−0.13, 0.36)	0.27b(0.13, 0.40)	0.22c(0.12, 0.33)	32.56***	12.07**	199
Overall	0.10a(0.01, 0.20)	0.17b(−0.02, 0.36)	0.33c(0.23, 0.43)	0.19b(0.10, 0.27)	282.94***	33.74***	270

Note. Change for intervention and control groups as a function of number of recommendations. CI = confidence interval. d = fixed-effects weighted means. QB = homogeneity coefficient for the difference across levels of a factor, distributed as a chi-square with degrees of freedom equal to the number of factor levels − 1. Within each row, ds with similar subscripts are not significantly different from one another.

^*p < .05,

^**p < .01,

^***p < .001.