Characteristics | Total | No ED visits | ≥ 1 ED visits | P |
---|---|---|---|---|
Weighted, n | 9 589 647 | 6 583 984 | 3 005 662 | Â |
Unweighted, n | 28 917 | 19 661 | 9 256 | Â |
Age (years, mean ± SD) | 68.04 ± 10.66 | 68.09 ± 9.88 | 67.94 ± 10.80 | 0.339 |
50–64 | 40.03 | 39.01 | 42.25 | < 0.001 |
≥65 | 59.97 | 60.99 | 57.75 |  |
Sex (%) | Â | Â | Â | 0.001 |
Female | 56.82 | 56.04 | 58.53 | Â |
Male | 43.18 | 43.96 | 41.47 | Â |
Marital status (%) |  |  |  | < 0.001 |
Not married | 58.70 | 55.96 | 64.69 | Â |
Race/ethnicity (%) | Â | Â | Â | <0.001 |
Non-Hispanic White | 76.44 | 77.90 | 73.25 | Â |
Hispanic | 7.50 | 7.16 | 8.22 | Â |
Non-Hispanic Black | 12.79 | 11.42 | 15.81 | Â |
Non-Hispanic Asian | 2.41 | 2.73 | 1.69 | Â |
Other races | 0.87 | 0.79 | 1.03 | Â |
Education (%) |  |  |  | < 0.001 |
≥ Bachelor’s degree | 22.18 | 24.00 | 18.19 |  |
Some college | 28.89 | 29.18 | 28.25 | Â |
≤ High school | 48.93 | 46.82 | 53.55 |  |
Poverty-income ratio (PIR)*(%) |  |  |  | < 0.001 |
PIR ≥ 2.00 | 59.08 | 63.20 | 50.05 |  |
PIR 1-1.99 | 24.71 | 23.34 | 27.70 | Â |
PIR < 1 | 16.21 | 13.46 | 22.25 |  |
Employment status (%) |  |  |  | < 0.001 |
Unemployed | 70.79 | 67.93 | 77.08 | Â |
Health insurance status (%) | Â | Â | Â | 0.934 |
Uninsured | 4.31 | 4.30 | 4.33 | Â |
Have usual place for medical care (%) | 97.22 | 96.95 | 97.82 | < 0.001 |
Region of residence (%) | ||||
Northeast | 17.20 | 17.1 | 17.44 | 0.007 |
Midwest | 24.36 | 23.85 | 25.50 | Â |
South | 39.39 | 39.43 | 39.30 | Â |
West | 19.04 | 19.63 | 17.76 | Â |
Perceived health status (%) |  |  |  | < 0.001 |
Excellent | 6.81 | 8.27 | 3.61 | Â |
Very Good | 21.39 | 24.77 | 14.00 | Â |
Good | 35.27 | 37.25 | 30.94 | Â |
Fair | 25.35 | 22.20 | 32.24 | Â |
Poor | 11.18 | 7.51 | 19.21 | Â |
Chronic conditions (%) | ||||
Diabetes | 36.76 | 35.79 | 38.89 | < 0.001 |
Hypertension | 82.96 | 83.05 | 82.75 | 0.568 |
Asthma | 25.36 | 23.95 | 28.42 | < 0.001 |
Stroke | 12.55 | 10.23 | 17.63 | < 0.001 |
Cancer | 31.54 | 32.05 | 30.44 | 0.022 |
Arthritis | 16.88 | 14.47 | 22.15 | < 0.001 |
COPD†| 28.8 | 24.86 | 37.44 | < 0.001 |
Heart disease‡ | 43.13 | 39.10 | 51.95 | < 0.001 |
Weak/failing kidneys in 12 m | 8.22 | 6.21 | 12.64 | < 0.001 |
Any liver conditions | 3.86 | 3.24 | 5.19 | < 0.001 |
Number of chronic conditions (mean ± SD) | 2.90 ± 1.18 | 2.73 ± 0.99 | 3.27 ± 1.31 | < 0.001 |
2 | 48.27 | 54.30 | 48.27 | <0.001 |
3–4 | 42.09 | 39.37 | 42.09 |  |
≥ 5 | 9.65 | 6.33 | 9.65 |  |