Table 1.
Demographic characteristics of the study population (n = 260).
| Characteristic | No. |
|---|---|
| Mean age (y, SD) | 58.0 (15.4) |
| Sex (%) | |
| Female | 152 (58.5) |
| Male | 108 (41.5) |
| Race (%) | |
| White | 232 (89.2) |
| Nonwhite | 28 (11.8) |
| Average CCI score (SD) | 3.9 (5.2) |
| Marital status (%) | |
| Married/living with spouse | 220 (84.6) |
| Living with partner | 4 (1.5) |
| Separated/divorced/widowed | 16 (6.2) |
| Never married | 24 (9.3) |
| Household income (%) | |
| <$30,000 | 64 (24.6) |
| $30,000–$50,000 | 76 (29.2) |
| >$50,000 | 96 (36.9) |
| Not reported | 24 (9.3) |
| Education (%) | |
| No college degree | 116 (44.6) |
| College degree | 24 (9.2) |
| Advanced college degree | 120 (46.2) |
| Diagnosis (%) | |
| Stendosis | 203 (78.0) |
| Stenosis with spondylolisthesis | 57 (22.0) |
CCI = Charlson Comorbidity Index.