Variable | Â | Â | OA (n = 4,876) | Â | Â | Without OA (n = 34,896) | ||
---|---|---|---|---|---|---|---|---|
 | Mild (n = 2,192) | Moderate (n = 2,240) | Severe (n = 444) | n | Weighted percent (SE) | |||
 | n | Weighted percent (SE) | n | Weighted percent (SE) | n | Weighted percent (SE) |  |  |
Age range | Â | Â | Â | Â | Â | Â | Â | Â |
   20-39 years | 338 | 18.6 (0.9) | 298 | 16.1 (0.9) | 49 | 13.0 (1.8) | 15,705 | 49.7 (0.3) |
   40-64 years | 1,339 | 65.0 (1.1) | 1,447 | 68.8 (1.1) | 312 | 74.0 (2.7) | 16,926 | 46.6 (0.3) |
   ≥ 65 years | 515 | 16.42 (0.9) | 495 | 15.1 (0.9) | 83 | 13.0 (2.5) | 2,265 | 3.7 (0.1) |
Gender | Â | Â | Â | Â | Â | Â | Â | Â |
   Male | 1,120 | 49.2 (1.2) | 1,008 | 44.1 (1.2) | 190 | 41.7 (2.6) | 18,460 | 54.4 (0.3) |
   Female | 1,072 | 50.8 (1.2) | 1,232 | 56.0 (1.2) | 254 | 58.4 (2.6) | 16,436 | 45.6 (0.3) |
Race/ethnicity | Â | Â | Â | Â | Â | Â | Â | Â |
   White, non- Hispanic | 1,765 | 75.2 (1.1) | 1,757 | 73.1 (1.1) | 338 | 69.7 (2.9) | 24,279 | 66.2 (0.3) |
   Black, non- Hispanic | 174 | 8.8 (0.7) | 223 | 10.6 (0.8) | 63 | 16.5 (2.6) | 4,143 | 12.1 (0.2) |
   Hispanic white | 68 | 5.8 (0.7) | 80 | 6.6 (0.7) | 18 | 6.6 (1.5) | 1,959 | 8.6 (0.2) |
   Hispanic black | 3 | 0.3 (0.1) | 7 | 0.6 (0.2) | 2 | 0.6 (0.4) | 148 | 0.7 (0.1) |
   Other | 182 | 9.9 (0.7) | 173 | 9.2 (0.7) | 23 | 6.6 (1.4) | 4,367 | 12.5(0.2) |
Education | Â | Â | Â | Â | Â | Â | Â | Â |
   ≤ High school graduate | 312 | 15.1 (0.9) | 385 | 17.4 (0.9) | 99 | 22.5 (2.2) | 5,791 | 17.0 (0.2) |
   > High school | 1,880 | 84.9 (0.9) | 1,855 | 82.7 (0.9) | 345 | 77.5 (2.2) | 29,104 | 83.0 (0.2) |
Employment | Â | Â | Â | Â | Â | Â | Â | Â |
   Full time | 1,297 | 61.2 (1.1) | 1,282 | 59.5 (1.2) | 236 | 53.3 (2.8) | 24,473 | 71.3 (0.3) |
   Part time | 557 | 23.3 (1.0) | 586 | 24.8 (1.1) | 106 | 24.3 (2.7) | 6,442 | 17.9 (0.2) |
   Self- employed | 338 | 15.5 (0.9) | 372 | 15.7 (0.9) | 102 | 22.5 (2.1) | 3,981 | 10.8 ± 0.2) |
Income | Â | Â | Â | Â | Â | Â | Â | Â |
   < $25,000 | 213 | 9.6 (0.7) | 291 | 13.4 (0.8) | 89 | 20.0 (2.1) | 3,906 | 11.7 (0.2) |
   $25,000 to $49,999 | 595 | 27.1 (1.0) | 703 | 31.4 (1.1) | 131 | 28.6 (2.3) | 10,045 | 29.2 (0.3) |
   $50,000 to $74,999 | 560 | 25.7 (1.0) | 531 | 23.8 (1.0) | 90 | 20.2 (2.0) | 8,461 | 24.2 (0.2) |
   ≥ $75,000 | 711 | 31.8 (1.1) | 619 | 27.6 (1.0) | 108 | 25.2 (2.7) | 10,971 | 30.8 (0.3) |
   Declined to answer | 113 | 5.8 (0.6) | 96 | 3.9 (0.4) | 26 | 6.0 (1.2) | 1,513 | 4.2 (0.1) |
Health insurance | Â | Â | Â | Â | Â | Â | Â | Â |
   Yes | 1,955 | 88.2 (0.8) | 1,951 | 86.0 (0.8) | 386 | 86.0 (1.8) | 28,731 | 81.3 (0.2) |
   No | 237 | 11.8 (0.8) | 289 | 14.0 (0.8) | 58 | 14.0 (1.8) | 6,165 | 18.7 (0.2) |
BMI (m2/kg) | Â | Â | Â | Â | Â | Â | Â | Â |
   Underweight(< 18.5) | 19 | 1.0 (0.3) | 22 | 0.8 (0.2) | 3 | 0.7 (0.4) | 604 | 1.8 (0.1) |
   Normal(18.5 to < 25) | 527 | 25.0 (1.0) | 431 | 20.2 (1.0) | 74 | 18.7 (2.7) | 11,273 | 32.6 (0.3) |
   Overweight (25 to < 30) | 726 | 32.9 (1.1) | 722 | 31.9 (1.1) | 130 | 27.9 (2.3) | 11,761 | 33.6 (0.3) |
   Obese (≥ 30) | 890 | 39.8 (1.1) | 1,027 | 45.3 (1.2) | 229 | 51.0 (2.7) | 10,635 | 30.2 (0.3) |
   Declined to answer | 30 | 1.3 (0.3) | 38 | 1.7 (0.3) | 8 | 1.7 (0.6) | 623 | 1.8 (0.1) |
Charlson Comorbidity Index (CCI) | Â | Â | Â | Â | Â | Â | Â | Â |
   CCI of 0 | 1,437 | 67.2 (1.1) | 1,296 | 59.1 (1.1) | 213 | 47.7 (2.7) | 28,294 | 82.1 (0.2) |
   CCI of 1 or more | 755 | 32.8 (1.1) | 944 | 40.9 (1.1) | 231 | 52.6 (2.7) | 6,602 | 17.9 (0.2) |