. Author manuscript; available in PMC: 2015 Aug 7.

Published in final edited form as: Optometry. 2011 May;82(5):310–317. doi: 10.1016/j.optm.2010.10.014

Table 2.

Logistic Regression: Knowledge among Daily Smokers that Smoking Causes Blindness, Weighted

	Odds Ratio	95% C.I.	p
Sex
Female (vs. Male)	.964	.858–1.084	.543
Age
18–24 (vs. 25+)	1.035	.856–1.252	.723
Ethnicity
White/English Speaking (vs. Other)	.843	.699–1.017	.075
Education
Low (vs. Medium/High)	.869	.768–.983	.025^*
Income
Low (vs. No Answer)	1.074	.846–1.363	.220
Medium/High (vs. No Answer)	.955	.759–1.200	.220
Country
Canada (vs. Australia)	.164	.141–.191	<.001^*
United Kingdom (vs. Australia)	.111	.094–.131
United States (vs. Australia)	.121	.101–.145

indicates a statistically significant finding