Table 1.
Comparison of survey responders and non-responders
| Completed survey
|
P-value | ||||
|---|---|---|---|---|---|
| Yes (n=1,026)
|
No (n=974)
|
||||
| N | % | N | % | ||
| Age in years (mean, SD) | 70.0 | 9.7 | 69.0 | 10.7 | 0.036 |
| Age (n, %) | |||||
| >65 years | 303 | 29.5 | 341 | 35.0 | 0.010 |
| 40–64 years | 723 | 70.5 | 633 | 65.0 | |
| Sex (n, %) | |||||
| Male | 969 | 94.4 | 934 | 95.9 | 0.145 |
| Female | 57 | 5.56 | 40 | 4.1 | |
| Race (n, %) | |||||
| White | 687 | 67.0 | 569 | 58.4 | <0.001 |
| Black | 290 | 28.3 | 369 | 37.9 | |
| Other | 21 | 2.1 | 22 | 2.3 | |
| Unknown | 28 | 2.7 | 14 | 1.4 | |
| Marital status (n, %) | |||||
| Married | 679 | 66.2 | 570 | 58.5 | 0.001 |
| Divorced/widowed | 216 | 21.0 | 241 | 24.7 | |
| Single/never married | 95 | 9.3 | 101 | 10.4 | |
| Unknown | 36 | 3.5 | 62 | 6.4 | |
| Pays health care copay (n, %) | |||||
| Yes | 287 | 28.0 | 227 | 23.3 | 0.019 |
| No | 739 | 72.0 | 746 | 76.6 | |
| Missing | 0 | 0.0 | 1 | 0.1 | |
| Pays prescription copay (n, %) | |||||
| Yes | 711 | 69.3 | 605 | 62.1 | 0.001 |
| No | 315 | 30.7 | 368 | 37.8 | |
| Missing | 0 | 0.0 | 1 | 0.1 | |
| Gagne comorbidity score (median, IQR) | 0.3 | 1.5 | 0.0 | 1.3 | 0.012 |
| Number of conditions (mean, SD) | 6.39 | 5.0 | 6.50 | 5.0 | 0.613 |
| Number of VA prescribers (n, %) | |||||
| 0 | 52 | 5.1 | 63 | 6.5 | 0.025 |
| 1 | 628 | 61.2 | 540 | 55.4 | |
| 2 | 232 | 23.6 | 226 | 23.2 | |
| 3 | 70 | 6.8 | 80 | 8.2 | |
| 4 | 44 | 4.3 | 64 | 6.7 | |
Notes: P-values were estimated with two- sample t-test for age and number of conditions; with Wilcoxon rank sums for the Gagne Score; and with Fisher’s exact test for all others.
Abbreviations: IQR, interquartile range; SD, standard deviation; VA, veterans’ affairs.