Polypharmacy among Underserved Older African American Adults

Table 2

Multivariate logistic analysis of correlates of use of high versus low medication use ().

Independent variables	OR (95% CI)
Gender
Female	2.36 (1.26–4.42)	0.007
Male	1
Age
65–69	0.69 (0.30–1.57)	0.067
70–79	1.53 (0.69–3.41)	0.374
≥80	1	0.297
Education
No high school diploma	1.71 (0.82–3.56)	0.151
High school diploma	1
Marital status
Not married	2.21 (0.99–4.857)	0.501
Married/living with partner	1
Copayment for RX
No	1.14 (0.55–2.34)	0.725
Yes	1
Number of providers
1-2	1	0.001
≥3	6.67 (2.82–15.71)
Number of pharmacies
1	1	0.620
≥2	1.52 (0.73–3.17)
Number of comorbidity
≤3	1	0.001
4–7	3.20 (1.72–5.94)	0.001
≥8	6.11 (2.02–18.50)	0.064
Smoking status
Never	1	0.852
Current	1.08 (0.49–2.38)	0.028
Former	0.38 (0.16–0.90)	0.338
Alcohol use (drinks per day)
None	1	0.572
1-2	0.80 (0.37–1.74)	0.227
≥3	1.98 (0.65–6.01)	0.000
Number of PIM
None	1	0.015
One	2.24 (1.17–4.30)	0.001
≥2	4.60 (2.10–10.04)	0.221
Level of pain
None-mild	1	0.892
Moderate	0.95 (0.44–2.05)	0.136
Severe	1.70 (0.85–3.41)
−2log likelihood	303.6
Nagelkerke -square	0.454
Percentage of correctly predicted outcome	82%