. 2023 May 11;18(5):e0285329. doi: 10.1371/journal.pone.0285329

Table 2. Effects of couple composition and campaign on advertisement judgments and PrEP stigma, motivation, and behavior (MANCOVAs).

Time 1: Immediately After First Viewing Advertisement
	Advertisement Judgments								PrEP Stigma								PrEP Motivation
	Model 1^a				Model 2^a				Model 1^a				Model 2^a				Model 1^a				Model 2^a
	V	F	DF	p	V	F	DF	p	V	F	DF	p	V	F	DF	p	V	F	DF	p	V	F	DF	p
Couple Composition	.97	1.63	48, 165	.013	1.00	1.54	48, 147	.027	.03	.41	6, 150	.869	.04	0.45	6, 138	.846	.02	.15	9, 231	.998	.02	.19	9, 213	.996
Campaign	.58	1.39	32, 108	.107	.64	1.39	32, 96	.110	.04	.71	4, 150	.583	.04	0.78	4, 138	.541	.10	1.36	6, 152	.236	.08	.98	6, 140	.439
Couple Composition x Campaign	-	-	-	-	1.47	1.05	96, 312	.367	-	-	-	-	.18	1.16	12, 138	.316	-	-	-	-	.19	.80	18, 213	.705
Time 2: Eight Weeks After First Viewing Advertisement
	PrEP Motivation								PrEP Behavior
	Model 1^a,b				Model 2^a,b				Model 1^a,b				Model 2^a,b
	V	F	DF	p	V	F	DF	p	V	F	DF	p	V	F	DF	p
Couple Composition	.18	1.13	9, 156	.345	.21	1.17	9, 138	.320	.13	.81	9, 156	.607	.17	.91	9, 138	.515
Campaign	.20	1.92	6, 102	.084	.26	2.24	6, 90	.046	.26	2.52	6, 102	.026	.23	1.98	6, 90	.077
Couple Composition x Campaign	-	-	-	-	.34	.99	18, 138	.476	-	-	-	-	.36	1.04	18, 138	.417

Note. For each set of outcomes, Model 1 represents partial effects and Model 2 represents conditional and interaction effects.

^aAll models were adjusted for age, ethnicity, education, employment, sexual orientation, and PrEP knowledge/experience.

^bTime 2 models were also adjusted for advertisement (study stimulus) viewing frequency during the 8-week follow-up period.