Table 5.

Key trial characteristics by type of comparisons

Type of comparison	Test of SC	Test of CS	Test of SR	Test of SC + CS	Test of SC + SR	Test of SC + social support (unspecified)	Test of SC + prompts and cues	Test of SC + info on health consequences	Test of SC + instructions + prompts/cues	Test of SC + others BCTs	Test of CS + other BCTs	Test of SC + CS + other BCTs	Test of SR +other BCTs	Test of multiple SNs + other BCTs
Number of comparisons with primary outcome data	33	3	1	2	2	7	5	4	5	25	4	4	1	4
Target Behaviour
Prescribing	15(45%)		1(100%)	1(50%)	2(100%)	2(29%)	1(20%)	3(75%)	1(20%)	11(44%)	1(25%)	1(25%)		1(25%)
Hand/hygiene												1(25%)	1(100%)	1(25%)
Tests	7(21%)					1(14%)	3(60%)	1(25%)	3(60%)	4(16%)	1(25%)	1(25%)
Referrals										2(8%)		1(25%)
Man/comm	5(15%)	3(100%)		1(50%)		2(29%)			1(20%)	5(20%)	2(50%)			2(50%)
Other						12(14%)				1(4%)
Multiple	6(18%)					1(14%)	1(20%)			2(8%)
Type of HCP
Doctor GP	16(48%)			1(50%)	2(100%)	4(57%)	2(40%)	1(25%)	4(80%)	11(44%)	2(50%)	1(25%)		1(25%)
Doctor secondary	4(12%)	3(100%)				1(14%)	1(20%)	1(20%)		2(12%)	1(25%)	1(25%)		1(25%)
Other HCP	4(12%)		1(100%)							1(4%)	0(0%)			1(25%)
Mixed/team	9(27%)			1(50%)		2(29%)	2(40%)	2(40%)	1(20%)	10(40%)	2(50%)	2(50%)	1(100%)	1(25%)
Setting
Primary	18(55%)			1(50%)	2(100%)	4(57%)	4(80%)	1(25%)	5(100%)	17(68%)	2(50%)	1(25%)		1(25%)
Hospital	6(18%)	3(100%)				2(29%)	1(20%)	2(50%)		6(24%)	2(50%)	2(50%)	1(100%)	2(50%)
Community	1(3%)		1(100%)	1(50%)										1(25%)
Care/nursing	0(0%)					1(14%)		1(25%)		1(4)		1(25%)
Mixed	7(21%)
Other	1(3%)

SC social comparison, CS credible source, SR social reward