Table 2.
Logistic Regression Analyses of Advance Directive Completion and End-of-Life Care Preference among Those Who Completed an Advance Directive
| Characteristic | AD completion, n = 5487 |
Aggressive care, n = 2567 |
||
|---|---|---|---|---|
| OR | 95% CI | OR | 95% CI | |
| Age | 1.04*** | (1.03–1.05) | 0.98 | (0.96–1.00) |
| Female | 1.11 | (0.95–1.30) | 0.88 | (0.56–1.38) |
| Race (reference: White) | ||||
| Black | 0.30*** | (0.24–0.38) | 7.01*** | (4.11–11.96) |
| Hispanic | 0.35*** | (0.25–0.49) | 3.86** | (1.77–8.44) |
| Other | 0.99 | (0.57–1.71) | 1.79 | (0.38–8.33) |
| Marital status (reference: married) | ||||
| Divorced or separated | 1.36* | (1.04–1.78) | 0.40* | (0.19–0.85) |
| Widowed | 1.42*** | (1.18–1.70) | 0.46* | (0.25–0.84) |
| Never married | 1.58* | (1.00–2.48) | 1.33 | (0.50–3.53) |
| Education, years (reference: >12 years) | ||||
| <12 | 0.59*** | (0.49–0.71) | 2.31** | (1.38–3.86) |
| 12 | 0.79** | (0.67–0.93) | 1.43 | (0.88–2.33) |
| Asset quartile (reference: fourth quartile) | ||||
| First quartile | 0.61*** | (0.49–0.77) | 1.08 | (0.55–2.15) |
| Second quartile | 0.69** | (0.56–0.85) | 0.77 | (0.40–1.50) |
| Third quartile | 0.79* | (0.66–0.96) | 0.83 | (0.47–1.47) |
| Income quartile (reference: fourth quartile) | ||||
| First quartile | 0.63*** | (0.48–0.82) | 2.12 | (0.98–4.60) |
| Second quartile | 0.79* | (0.64–0.98) | 1.90* | (1.03–3.50) |
| Third quartile | 0.88 | (0.72–1.06) | 1.89* | (1.06–3.39) |
| Health conditions | ||||
| Cancer | 1.59*** | (1.38–1.84) | 0.92 | (0.61–1.40) |
| Heart | 1.11 | (0.97–1.28) | 1.03 | (0.69–1.55) |
| Depression | 1.26** | (1.10–1.44) | 0.90 | (0.61–1.34) |
| Memory | 1.00 | (0.85–1.17) | 0.64 | (0.40–1.01) |
| Lung disease | 1.21* | (1.03–1.42) | 0.95 | (0.61–1.48) |
| Stroke | 1.10 | (0.95–1.28) | 1.66* | (1.08–2.53) |
| Religious affiliation (reference: no religious affiliation) | ||||
| Protestant | 0.70* | (0.50–0.97) | 1.16 | (0.42–3.19) |
| Catholic | 0.66* | (0.47–0.93) | 1.02 | (0.36–2.90) |
| Jewish | 0.99 | (0.58–1.69) | 2.35 | (0.54–10.26) |
| Other religion | 0.99 | (0.45–2.18) | 0.40 | (0.04–4.24) |
| Importance of religion (reference: not too important) | ||||
| Very important | 0.78* | (0.62–0.98) | 1.03 | (0.56–1.93) |
| Somewhat important | 0.82 | (0.64–1.05) | 0.74 | (0.35–1.58) |
| Religious service attendance (reference: not at all) | ||||
| ≥Once/week | 1.30** | (1.09–1.55) | 1.05 | (0.64–1.72) |
| ≥Once a year, <once a week | 1.18 | (1.00–1.41) | 1.23 | (0.76–2.00) |
***
p < 0.001; **p < 0.01; *p < 0.05.
CI, confidence interval; OR, odds ratio.