Table 1. Participant Characteristics.
| Characteristica | Valueb | P Value | |
|---|---|---|---|
| No Cancer (n = 16 757) |
Newly Diagnosed Cancer (n = 1409) |
||
| Age, median (IQR), y | 73 (69-80) | 73 (69-79) | .14 |
| Female | 9484 (56.6) | 654 (46.4) | <.001 |
| Race | |||
| White | 14 730 (87.9) | 1275 (90.5) | .001 |
| Black | 1441 (8.6) | 110 (7.8) | |
| Other | 586 (3.5) | 24 (1.7) | |
| Hispanic ethnicity | 1139 (6.8) | 55 (3.9) | <.001 |
| Marital status | |||
| Married | 9920 (59.2) | 891 (63.3) | .01 |
| Separated or divorced | 1659 (9.9) | 154 (10.9) | |
| Widowed | 4608 (27.5) | 333 (23.7) | |
| Single | 570 (3.4) | 31 (2.2) | |
| Self-reported health | |||
| Poor | 1509 (9.0) | 52 (3.7) | <.001 |
| Fair | 4951 (29.5) | 285 (20.2) | |
| Good | 5588 (33.3) | 440 (31.3) | |
| Very good | 3402 (20.3) | 363 (25.8) | |
| Excellent | 1307 (7.8) | 269 (19.1) | |
| Comorbidity | |||
| Lung disease | 1827 (10.9) | 210 (14.9) | <.001 |
| Heart disease | 5044 (30.1) | 462 (32.8) | .05 |
| Wealth quartilec | |||
| First | 4323 (25.8) | 245 (17.4) | .001 |
| Second | 4256 (25.4) | 361 (25.6) | |
| Third | 4140 (24.7) | 382 (27.1) | |
| Fourth | 4038 (24.1) | 421 (29.8) | |
| Income quartiled | |||
| First | 4290 (25.6) | 262 (18.6) | .002 |
| Second | 4240 (25.3) | 392 (27.8) | |
| Third | 4138 (24.7) | 369 (26.2) | |
| Fourth | 4089 (24.4) | 386 (27.4) | |
| Supplemental insurance | |||
| Medicaid | 1441 (8.6) | 111 (7.9) | .004 |
| Veterans Health Administration | 1005 (6.0) | 116 (8.2) | |
| Medicare HMO | 3301 (19.7) | 251 (17.8) | |
| Employer-sponsored | 4709 (28.1) | 391 (27.8) | |
| Medigap | 3754 (22.4) | 353 (25.1) | |
| None | 2547 (15.2) | 187 (13.3) | |
Abbreviations: IQR, interquartile range; HMO, health maintenance organization.
a
Some variables in the multivariable model are not listed here owing to table length, namely, geographic region, educational level, multiple comorbidities (hypertension, stroke, arthritis, psychiatric illness, and type 1 or 2 diabetes), and smoking status. No differences were seen in these variables between participants with and without cancer.
b
Data are presented as number (percentage) of participants unless otherwise indicated.
c
Wealth quartiles: first, <$89 581; second, $89 582-$256 293; third, $256 294-$638 926; fourth, >$638 926.
d
Income quartiles: first, <$22 380; second, $22 381-$37 198; third, $37 199-$64 579; fourth, >$64 579.