Table 1. Demographic Characteristics of Adult Retinoblastoma (Rb) Survivors and a Non-Rb Control Group.
| Characteristics | All Rb Survivors (n=470) | Bilateral Survivors (n=252) | Unilateral Survivors (n=218) | Non-Rb Controls (n=2377) | p-value* |
|---|---|---|---|---|---|
| Age at study, y, mean (Std) | 43.3 (11.0) | 42.5 (10.8) | 44.4 (11.0) | 37.6 (8.6) | <0.001 |
| Sex, No. (%) | 0.51 | ||||
| Male | 225 (47.9) | 127 (50.4) | 98 (44.9) | 1097 (46.2) | |
| Female | 245 (52.1) | 125 (49.6) | 120 (55.1) | 1280 (53.8) | |
| Race/ethnicity, No. (%) | <0.001 | ||||
| White, Non-Hispanic | 406 (86.4) | 221 (87.7) | 185 (84.9) | 2117 (89.0) | |
| Other group | 62 (13.2) | 30 (11.9) | 32 (14.7) | 177 (7.5) | |
| Don't know/missing | 2 (0.4) | 1 (0.4) | 1 (0.4) | 83 (3.5) | |
| Health insurance, No. (%) | 0.07 | ||||
| Yes or Canadian resident | 416 (88.5) | 228 (90.4) | 188 (86.2) | 2163 (91.0) | |
| No | 52 (11.1) | 23 (9.2) | 29 (13.3) | 199 (8.4) | |
| Don't know/missing | 2 (0.4) | 1 (0.4) | 1 (0.5) | 15 (0.6) | |
| Household income, No. (%) | <0.001 | ||||
| <$20,000/year | 45 (9.6) | 32 (13.5) | 13 (6.5) | 120 (5.1) | |
| ≥$20,000/year | 392 (83.4) | 205 (86.5) | 187 (93.5) | 2095 (88.1) | |
| Don't know/missing | 33 (7.0) | 15 (5.9) | 18 (8.3) | 162 (6.8) | |
| Education, No. (%) | 0.16 | ||||
| Complete high school or below | 64 (13.8) | 36 (14.5) | 28 (13.1) | 274 (11.5) | |
| Post-high school graduate or some college training | 394 (85.1) | 209 (83.5) | 185 (86.5) | 2100 (88.3) | |
| Missing | 12 (2.6) | 7 (2.7) | 5 (2.3) | 3 (0.1) | |
*
Comparisons between all Rb survivors and the non-Rb control group; responses coded as “don't know/missing” were excluded in the p-value calculations