Variable | OA Pain (n = 2,173) | Without OA pain (n = 37,599) | P | ||
---|---|---|---|---|---|
 | n | Weighted percent (SE) | n | Weighted percent (SE) |  |
Age range | Â | Â | Â | Â | Â |
   20-39 years | 267 | 14.5 ± 0.8 | 16,123 | 47.7 ± 0.3 | < 0.0001 |
   40-64 years | 1,453 | 71.8 ± 1.1 | 18,571 | 47.8 ± 0.3 | < 0.0001 |
   ≥ 65 years | 453 | 13.7 ± 0.9 | 2,905 | 4.5 ± 0.1 | < 0.0001 |
Gender | Â | Â | Â | Â | Â |
   Male | 954 | 41.8 ± 1.1 | 19,824 | 54.1 ± 0.3 | < 0.0001 |
   Female | 1,219 | 58.2 ± 1.1 | 17,775 | 45.9 ± 0.3 | < 0.0001 |
Race/ethnicity | Â | Â | Â | Â | Â |
   White, non-Hispanic | 1,792 | 78.0 ± 1.1 | 26,347 | 66.5 ± 0.3 | < 0.0001 |
   Black, non-Hispanic | 169 | 8.4 ± 0.8 | 4,434 | 12.1 ± 0.2 | < 0.0001 |
   Hispanic | 99 | 8.3 ± 0.8 | 3,569 | 14.6 ± 0.2 | < 0.0001 |
   Other | 113 | 5.3 ± 0.5 | 3,249 | 6.8 ± 0.1 | 0.0032 |
Education | Â | Â | Â | Â | Â |
   High school graduate or less | 376 | 17.9 ± 0.9 | 6,211 | 16.9 ± 0.2 | 0.3053 |
   More than high school | 1,797 | 82.2 ± 0.9 | 31,387 | 83.1 ± 0.2 | 0.3067 |
Income | Â | Â | Â | Â | Â |
   < $25,000 | 294 | 13.5 ± 0.8 | 4,205 | 11.6 ± 0.2 | 0.0183 |
   $25,000 to $49,999 | 667 | 30.4 ± 1.1 | 10,807 | 29.1 ± 0.3 | 0.2218 |
   $50,000 to $74,999 | 533 | 24.8 ± 1.0 | 9,109 | 24.2 ± 0.2 | 0.5271 |
   ≥ $75,000 | 579 | 26.5 ± 1.1 | 11,830 | 30.9 ± 0.3 | <.0001 |
   Decline to answer | 100 | 4.8 ± 0.5 | 1,648 | 4.2 ± 0.1 | 0.2813 |
Employment | Â | Â | Â | Â | Â |
   Full time | 1,200 | 57.3 ± 1.2 | 26,088 | 70.7 ± 0.3 | < 0.0001 |
   Part time | 552 | 23.9 ± 1.1 | 7,139 | 18.3 ± 0.2 | < 0.0001 |
   Self-employed | 421 | 18.8 ± 0.9 | 4,372 | 11.0 ± 0.2 | < 0.0001 |
Health insurance | Â | Â | Â | Â | Â |
   Yes | 1,880 | 85.4 ± 0.8 | 31,143 | 81.8 ± 0.2 | < 0.0001 |
   No | 293 | 14.6 ± 0.8 | 6,456 | 18.2 ± 0.2 | < 0.0001 |
BMI | Â | Â | Â | Â | Â |
   Underweight | 19 | 0.8 ± 0.2 | 629 | 1.7 ± 0.1 | < 0.0001 |
   Normal | 416 | 20.1 ± 1.0 | 11,889 | 32.1 ± 0.3 | < 0.0001 |
   Overweight | 660 | 30.0 ± 1.1 | 12,679 | 33.6 ± 0.3 | 0.0011 |
   Obese | 1,044 | 47.5 ± 1.2 | 11,737 | 30.9 ± 0.3 | < 0.0001 |
   Decline to answer | 34 | 1.5 ± 0.3 | 665 | 1.8 ± 0.1 | 0.403 |