|
Factors
|
Univariate logistic regression analysis
|
Multivariate logistic regression analysis
|
|---|
|
Crude OR (95% CI)
|
p value
|
Adjusted ORa(95% CI)
|
p value
|
|---|
|
Sex
|
|
Male
|
1 (reference)
| |
1 (reference)
| |
|
Female
|
1.02 (0.77-1.35)
|
0.889
|
0.97 (0.73-1.29)
|
0.857
|
|
Age
|
|
75-79
|
1 (reference)
| |
1 (reference)
| |
|
80-84
|
1.46 (1.07-2.00)
|
0.016
|
1.52 (1.11-2.09)
|
0.009
|
|
≥ 85
|
1.70 (1.15-2.51)
|
0.007
|
1.73 (1.17-2.57)
|
0.007
|
|
Income
|
|
High
|
1 (reference)
| |
1 (reference)
| |
|
Middle
|
1.40 (0.99-1.98)
|
0.055
|
1.43 (1.00-2.03)
|
0.048
|
|
Low
|
1.43 (1.04-1.98)
|
0.030
|
1.38 (0.95-2.02)
|
0.093
|
|
Residential area
|
|
Urban
|
1 (reference)
| |
1 (reference)
| |
|
Rural
|
1.26 (0.89-1.78)
|
0.191
|
1.23 (0.86-1.76)
|
0.256
|
|
Health insurance
|
|
Medicare
|
1 (reference)
| |
1 (reference)
| |
|
Medical aid
|
1.21 (0.76-1.92)
|
0.423
|
1.09 (0.63-1.88)
|
0.758
|
|
Charlson comorbidity index
|
|
< 6
|
1 (reference)
| |
1 (reference)
| |
|
≥ 6
|
2.34 (1.33-4.13)
|
0.003
|
2.56 (1.43-4.55)
|
0.001
|
|
Number of prescribed medications
|
|
≥ 4
|
1 (reference)
| |
1 (reference)
| |
|
< 4
|
1.50 (1.05-2.13)
|
0.024
|
1.54 (1.08-2.21)
|
0.000
|
- aAdjusted for sex, age, income, residential area, type of health insurance, Charlson comorbidity index, and number of prescribed medications
