Table 1.
Demographics between the PROMIS Wave I and ACPA samples for pain interference
| PROMIS Wave I |
ACPA | |||
|---|---|---|---|---|
| Mean | SD (%) |
Mean | SD (%) |
|
| Age | 51.01 | 18.45 | 48.19 | 11.07 |
| Age group | N | % | N | % |
| 18–29 | 126 | 16.71 | 46 | 5.70 |
| 30–39 | 114 | 15.12 | 121 | 14.99 |
| 40–49 | 129 | 17.11 | 264 | 32.71 |
| 50–59 | 112 | 14.85 | 265 | 32.84 |
| 60–64 | 54 | 7.16 | 49 | 6.07 |
| 65–84 | 209 | 27.72 | 58 | 7.19 |
| 85+ | 7 | 0.93 | 2 | 0.25 |
| Missing | 3 | 0.40 | 2 | 0.25 |
| Gender | ||||
| Male | 344 | 45.62 | 150 | 18.59 |
| Female | 410 | 54.38 | 654 | 81.04 |
| Missing | – | – | 3 | 0.37 |
| Ethnicity | ||||
| White | 595 | 78.91 | 744 | 92.19 |
| Non-white | 155 | 20.56 | 54 | 6.69 |
| Missing | 4 | 0.53 | 9 | 1.12 |
| Marriage status | ||||
| Never-married | 135 | 17.90 | 64 | 7.92 |
| Married/living with partner in committed relationship | 487 | 64.59 | 484 | 59.98 |
| Separated/divorced/widowed | 132 | 17.51 | 142 | 17.60 |
| Missing | – | – | 117 | 14.50 |
| Education | ||||
| Less than high school grade | 17 | 2.26 | 18 | 2.23 |
| High school grade/GED | 111 | 14.72 | 131 | 16.23 |
| Some college/technical degree/AA | 249 | 33.02 | 382 | 47.34 |
| College degree (BA/BS) | 217 | 28.78 | 181 | 22.43 |
| Advanced degree (MA, PhD, MD) | 160 | 21.22 | 92 | 11.40 |
| Missing | – | – | 3 | 0.37 |