Table 1.
Sample characteristics of U.S. adults with self-reported arthritis or joint pain (sample = 3791; population = 311,125,758)
| U.S. adults reporting arthritis or joint pain | U.S. adults in sample with no reported arthritis or joint pain | |
|---|---|---|
| Limitations, % | ||
| Any limitations | 62.86 | 18.18 |
| IADL | 9.16 | 1.80 |
| ADL | 5.68 | 1.03 |
| Walk limitations | 39.01 | 6.12 |
| Mean total expenditure ± SD | $10,587 ± $504 | $3813 ± $119 |
| Predisposing factors, % | ||
| Age, years | ||
| 18–24 | 0.77 | 15.36 |
| 25–44 | 11.54 | 39.19 |
| 45–64 | 45.85 | 32.72 |
| 65+ | 41.85 | 12.72 |
| Race | ||
| Non-Hispanic white | 75.64 | 64.76 |
| Non-Hispanic black | 11.66 | 11.42 |
| Non-Hispanic other | 4.77 | 7.58 |
| Hispanic | 7.93 | 16.24 |
| Sex | ||
| Male | 36.86 | 50.49 |
| Female | 63.14 | 49.51 |
| Region | ||
| Northeast | 18.29 | 18.28 |
| Midwest | 23.24 | 21.07 |
| South | 38.48 | 36.75 |
| West | 19.99 | 23.91 |
| MSA | ||
| Rural | 19.17 | 14.72 |
| Urban | 80.83 | 85.28 |
| Enabling factors, % | ||
| Income | ||
| < $25,000 | 48.59 | 42.88 |
| $25,000–$49,999 | 29.33 | 29.80 |
| $50,000-$74,999 | 12.38 | 14.70 |
| > $75,000 | 9.70 | 12.62 |
| Employment | ||
| Not employed | 58.05 | 28.73 |
| Employed | 41.95 | 71.27 |
| Education | ||
| Less than high school | 17.34 | 14.66 |
| High school | 31.44 | 27.70 |
| College | 40.87 | 45.59 |
| Graduate school | 10.35 | 12.05 |
| Insurance | ||
| Any private | 63.09 | 68.99 |
| Public only | 30.46 | 14.67 |
| No insurance | 6.45 | 16.35 |
| Marital status | ||
| Never married | 10.48 | 31.04 |
| Separated/divorced/widowed | 35.30 | 16.61 |
| Married | 54.22 | 52.34 |
| Need factors, % | ||
| Asthma | 15.21 | 7.80 |
| Diabetes | 20.11 | 7.19 |
| Emphysema | 7.12 | 1.21 |
| High blood pressure | 63.28 | 26.05 |
| High cholesterol | 55.75 | 25.01 |
| Stroke | 9.89 | 2.14 |
| Depression | 17.32 | 6.98 |
| CVD | 32.32 | 9.91 |
| BMI | ||
| Underweight | 1.45 | 1.96 |
| Normal | 23.80 | 37.05 |
| Overweight | 32.17 | 34.29 |
| Obese | 42.58 | 26.70 |
Abbreviations: ADL Activities of daily living, BMI Body mass index, CVD Cardiovascular disease, IADL Instrumental activities of daily living, MSA Metropolitan statistical area