Table 3.

Odds ratios (OR) and 95% confidence intervals (CI) for associations between open angle glaucoma and use of hormone replacement therapy or the oral contraceptive pill

Characteristic	Odds ratios and 95% CI
	Glaucoma
	No at risk	%	Age adjusted	Multivariate adjusted*
Hormone replacement therapy
Never	1317	4.5	1.0	1.0
Ever	557	1.3	0.5 (0.2 to 1.2)	0.5 (0.2 to 1.2)
Current users	324	1.5	0.8 (0.3 to 2.0)	0.8 (0.3 to 2.2)
Past users	233	0.9	0.3 (0.1 to 1.2)	0.3 (0.1 to 1.1)
Oral contraceptive use
Never users	1311	4.6	1.0	1.0
Ever users	649	0.8	0.5 (0.2 to 1.2)	0.4 (0.2 to 1.2)

*Adjusted for age, history of diabetes, hypertension, myopia, pseudoexfoliation, and family history of glaucoma.