Table 3.

Relationship of Changes in Specific Antihypertensive Medication Use to Central Retinal Arteriolar Equivalent.

Risk Factor	β Estimatea	95% CI	P value
Diuretics
Taking both exams	−0.12	−1.05, 0.82	0.81
Started taking	−0.47	−1.28, 0.34	0.26
Stopped taking	0.19	−0.91, 1.28	0.74
Not taking either exam	Reference
ACE inhibitors
Taking both exams	−0.27	−1.42, 0.88	0.65
Started taking	0.86	0.04, 1.68	0.04
Stopped taking	−0.49	−1.97, 1.00	0.52
Not taking either exam	Reference
Beta blockersb
Taking both exams	0.17	−0.88, 1.22	0.75
Started taking	0.33	−0.50, 1.17	0.44
Stopped taking	0.69	−0.68, 2.06	0.33
Not taking either exam	Reference
Calcium channel blockers
Taking both exams	1.59	0.32, 2.85	0.01
Started taking	0.90	−0.04, 1.84	0.06
Stopped taking	1.26	−0.21, 2.73	0.09
Not taking either exam	Reference

CI, confidence interval; ACE, angiotensin converting enzyme.

^aControls for age, image focus, cataract status, refraction, current systolic blood pressure, past systolic blood pressure and current × past systolic blood pressure interaction.

^bIncludes glaucoma drops.