Table 4.

Specific Intervention Content Moderator Analyses

Moderator	k	Effect size	Standard error	Qbetween	p (Qbetween)
Specifically address barriers to adherence				2.383	.123
Present	14	0.161	0.094
Absent	94	0.321	0.044
Medication administration calendar				0.509	.476
Present	10	0.232	0.086
Absent	98	0.301	0.043
Decisional balance activity				0.004	.952
Present	7	0.292	0.157
Absent	101	0.301	0.042
Habit analysis and linking adherence behavior with habits				1.083	.298
Present	9	0.412	0.109
Absent	99	0.290	0.042
Motivational interviewing				1.118	.290
Present	10	0.482	0.190
Absent	98	0.277	0.038
Packaging				1.159	.282
Present	10	0.439	0.135
Absent	98	0.287	0.042
Adherence problem solving				5.032	.025
Present	21	0.152	0.066
Absent	87	0.334	0.047
Social support				0.272	.602
Present	15	0.201	0.188
Absent	93	0.301	0.039
Written instructions				1.105	.293
Present	37	0.352	0.061
Absent	71	0.269	0.050
Improve provider communication with patients				0.105	.746
Present	7	0.217	0.246
Absent	101	0.298	0.038
Increase integration among health care providers				5.366	.021
Present	25	0.185	0.040
Absent	83	0.344	0.056
Self-monitoring medication administration				0.438	.508
Present	16	0.381	0.148
Absent	92	0.280	0.040
Self-monitoring blood pressure				1.974	.160
Present	36	0.381	0.072
Absent	72	0.261	0.047
Feedback about subjects adherence scores				2.180	.140
Present	14	0.500	0.143
Absent	94	0.280	0.042
Feedback about blood pressure				0.001	.974
Present	14	0.298	0.069
Absent	94	0.296	0.044

k denotes number of comparisons, effect size is standardized mean difference, Q is a conventional heterogeneity statistic.