Table 3.
Demographics in the included and excluded subjects (n=954)
| Variable | Included subjects (n =667) | Excluded subjects (n =287) | p-values |
|---|---|---|---|
| Age in years (SD) | 56.7 (7.4) | 58.0 (7.4) | 0.0135 |
| Gender | 0.3476 | ||
| Female | 399 (59.9%) | 162 (56.6%) | |
| Male | 267 (40.1%) | 124 (43.4%) | |
| Marital Status | 0.6326 | ||
| Single | 166 (24.9%) | 65 (22.8%) | |
| Married | 468 (70.3%) | 203 (71.2%) | |
| Widowed | 32 (4.8%) | 17 (6.0%) | |
| Race | 0.9115 | ||
| White | 617 (93.1%) | 268 (94.4%) | |
| Black | 17 (2.6%) | 6 (2.1%) | |
| Asian | 17 (2.6%) | 7 (2.5%) | |
| American Indian | 3 (0.5%) | 1 (0.4%) | |
| Others | 9 (1.4%) | 2 (0.7%) | |
| Ethnicity | 0.6120 | ||
| Hispanic | 7 (1.1%) | 4 (1.4%) | |
| Education level | 0.1134 | ||
| High school or less | 112 (16.8%) | 64 (22.3%) | |
| Some college or higher | 552 (82.8%) | 221 (77.0%) | |
| Insurance status | |||
| Private | 446 (67.2%) | 186 (65.5%) | 0.6161 |
| Medicaid/Iowa Care | 129 (19.4%) | 59 (20.8%) | 0.6338 |
| Medicare | 110 (16.6%) | 53 (18.7%) | 0.4334 |
| None | 12 (1.8%) | 7 (2.4%) | 0.5165 |
| Annual income | 0.7372 | ||
| < $40,000 | 204 (30.6%) | 88 (30.7%) | |
| $40,000 to < $80,000 | 169 (25.3%) | 80 (27.8%) | |
| ≥ $80,000 | 266 (39.9%) | 105 (36.6%) | |
| Unreported | 28 (4.2%) | 14 (4.9%) | |
| Rurality | 0.2249 | ||
| Rural | 217 (32.5%) | 105 (36.6%) | |
| Urban | 450 (67.5%) | 182 (63.4%) |