Table 1.
Baseline demographic characteristics of the study sample (N = 668)
| Total N = 668 |
Control N = 342 |
Experimental N = 326 |
Test Statistic† |
p- value‡ |
|
|---|---|---|---|---|---|
| Age (Mean ± SD) | 48.75 ± 11.72 | 47.93 ± 11.18 | 49.62 ± 12.21 | −1.9 | 0.06 |
| Gender | |||||
| Female | 485 (72.6) | 252 (73.7) | 233 (71.5) | 0.41 | 0.52 |
| Race | |||||
| White | 593 (88.8) | 302 (88.3) | 291 (89.3) | 5.57 | 0.47 |
| Black | 40 (6.0) | 19 (5.6) | 21 (6.4) | ||
| Other | 35 (5.2) | 21 (6.1) | 14 (4.3) | ||
| Education | |||||
| Less than HS | 5 (0.8) | 2 (0.6) | 3 (0.9) | 2.33 | 0.80 |
| HS | 133 (19.9) | 66 (19.3) | 67 (20.6) | ||
| Some college | 190 (28.4) | 101 (29.5) | 89 (27.3) | ||
| Completed college | 340 (50.9) | 173 (50.6) | 167 (51.2) | ||
| Marital Status | |||||
| Never Married | 108 (16.2) | 58 (17.0) | 50 (15.3) | 4.60 | 0.60 |
| Married | 371 (55.5) | 184 (53.8) | 187 (57.5) | ||
| Separated/ Divorced | 102 (15.3) | 50 (14.6) | 52 (15.9) | ||
| Other | 87 (13.0) | 50 (14.6) | 37 (11.3) | ||
| Income | |||||
| $49,999 or less | 226 (33.8) | 113 (33.0) | 113 (34.7) | 3.74 | 0.81 |
| $50,000-$99,999 | 243 (36.4) | 125 (36.5) | 118 (36.2) | ||
| over $100,000 | 136 (20.4) | 72 (21.0) | 64 (19.6) | ||
| Choose not to answer | 63 (9.4) | 32 (9.5) | 31 (9.5) | ||
| Current pain | 5.32 (2.24) | 5.41 (2.19) | 5.23 (2.29) | 1.02 | 0.31 |
Values expressed as N (%), except for age.
†
Test statistics is t-test for continuous variable age and χ2 for categorical variables, comparing control and experimental groups.
‡
p-values pertain to tests for difference between control and experimental groups.