Table 3.

Unadjusted and Adjusted Analysis of Patient-Reported Number of Treatments Rejected Across Health Scenarios

Covariate	Ratio of average counts of rejecting treatment across health scenarios
	Ratio	95% CI	P
Unadjusted model
Patient: MCI vs NC	1.06	0.79, 1.42	0.69
Adjusted model
Patient: MCI vs NC	1.00	0.71, 1.41	0.99
Patient: age, per 1-year increase	1.00	0.98, 1.03	0.76
Patient: Black vs White	0.33	0.20, 0.55	<0.001
Patient: education
Some college vs no college	1.17	0.64, 2.13	0.61
4-year degree vs no college	1.42	0.71, 2.84	0.32
Graduate degree vs no college	1.54	0.86, 2.76	0.15
Patient: male vs female	0.58	0.39, 0.84	0.005
Surrogate: male vs female	0.55	0.36, 0.84	0.005
Patient: contact vs no contact with stroke*	1.41	1.01, 1.95	0.04

Unadjusted and adjusted models were tested using zero-inflated negative binomial regression. Abbreviations: CI, confidence interval; MCI, mild cognitive impairment; NC, normal cognition

*Close family member or friend has history of stroke