. 2017 Feb 11;17:127. doi: 10.1186/s12913-017-2025-6

Table 4.

Logistic Regression Model with Dependent Variable Warfarin Prescription for US Adults ≥40 Years with Atrial Fibrillation

Variables and factors		Adjusted odds ratios (95% CI)
Age	40–64	--^a
Age	≥65	.107 (.107,.108)
Education Percent In Patient Zip Code	<20% University Graduates	1.379 (1.377,1.381)
Education Percent In Patient Zip Code	≥20% University Graduates	--^a
CHADS₂ Score	Low Score (0–1)	--^a
CHADS₂ Score	High Score (2 and Higher)	2.911 (2.906,2.915)
Sex	Female	.548 (.547,.549)
Sex	Male	--^a
Race	Caucasian	2.393 (2.386,2.399)
Race	Non-Caucasian	--^a
Health Insurance Status	Have Health Insurance	.817 (.814,.820)
Health Insurance Status	Do Not Have Health Insurance	--^a
Percent Poverty in Patient Zip Code	<10% Below Federal Poverty Level	1.169 (1.167,1.171)
Percent Poverty in Patient Zip Code	≥10% Below Federal Poverty Level	--^a

^areferent category