Table 3.

Results of GEE models for label outcomes: Key comparisons^a,b

Outcome measure	Comparison	AOR	[95% CI]
Unprompted recall of cancer warning (n = 3,134)	Wave 1: Intervention vs. comparison site	0.6	[0.1, 3.1]
	Wave 2: Intervention vs. comparison site	20.5	[9.4, 44.6]
	Wave 3: Intervention vs. comparison site	5.5	[2.9, 10.6]
	Intervention site: Wave 3 vs. Wave 1	23.3	[7.4, 73.7]
	Intervention site: Wave 2 vs. Wave 1	53.8	[17.0, 170.6]
	Intervention site: Wave 3 vs. Wave 2	0.4	[0.3, 0.6]
	Comparison site: Wave 3 vs. Wave 1	2.6	[0.7, 9.6]
	Comparison site: Wave 2 vs. Wave 1	1.6	[0.4, 6.6]
	Comparison site: Wave 3 vs. Wave 2	1.6	[0.7, 3.9]
	Intervention vs. comparison site: Wave 3 vs. Wave 1	8.8	[1.6, 49.4]
	Intervention vs. comparison site: Wave 2 vs. Wave 1	32.7	[5.4, 197.7]
	Intervention vs. comparison site: Wave 3 vs. Wave 2	0.3	[0.1, 0.7]
Prompted recall of cancer warning (n = 3,251)	Wave 1: Intervention vs. comparison site	0.9	[0.5, 1.5]
	Wave 2: Intervention vs. comparison site	5.6	[4.1, 7.7]
	Wave 3: Intervention vs. comparison site	3.2	[2.3, 4.4]
	Intervention site: Wave 3 vs. Wave 1	5.7	[4.1, 8.1]
	Intervention site: Wave 2 vs. Wave 1	10.0	[7.0, 14.1]
	Intervention site: Wave 3 vs. Wave 2	0.6	[0.5, 0.7]
	Comparison site: Wave 3 vs. Wave 1	1.6	[1.0, 2.5]
	Comparison site: Wave 2 vs. Wave 1	1.6	[1.0, 2.5]
	Comparison site: Wave 3 vs. Wave 2	1.0	[0.7, 1.5]
	Intervention vs. comparison site: Wave 3 vs. Wave 1	3.5	[2.0, 6.2]
	Intervention vs. comparison site: Wave 2 vs. Wave 1	6.2	[3.6, 10.9]
	Intervention vs. comparison site: Wave 3 vs. Wave 2	0.6	[0.4, 0.8]
Knowledge of alcohol as a carcinogen (n = 3,247)	Wave 1: Intervention vs. comparison site	1.2	[0.8, 1.6]
	Wave 2: Intervention vs. comparison site	1.2	[1.0, 1.6]
	Wave 3: Intervention vs. comparison site	1.2	[1.0, 1.6]
	Intervention site: Wave 3 vs. Wave 1	1.9	[1.5,2.4]
	Intervention site: Wave 2 vs. Wave 1	1.7	[1.4, 2.2]
	Intervention site: Wave 3 vs. Wave 2	1.1	[0.9, 1.3]
	Comparison site: Wave 3 vs. Wave 1	1.8	[1.3, 2.4]
	Comparison site: Wave 2 vs. Wave 1	1.6	[1.2, 2.2]
	Comparison site: Wave 3 vs. Wave 2	1.1	[0.9, 1.4]
	Intervention vs. comparison site: Wave 3 vs. Wave 1	1.1	[0.7, 1.6]
	Intervention vs. comparison site: Wave 2 vs. Wave 1	1.1	[0.7, 1.5]
	Intervention vs. comparison site: Wave 3 vs. Wave 2	1.0	[0.8, 1.3]

Notes: GEE = generalized estimating equations; AOR = adjusted odds ratio; CI = confidence interval.

^aAll models adjusted for age, ethnicity, sex, education, alcohol use, and time-in-sample;

^bseparate logistic models were estimated using GEE for each of the three label outcomes.