TABLE 3.
Odds Ratio of Higher Stage Cancer Compared With Stage I, Given Nonprivate Insurance Coverage, by Cancer-Typea
| Cancer Type | Insurance Type
|
||||
|---|---|---|---|---|---|
| Private No. (%) | Medicaid
|
Uninsured
|
|||
| No. (%) | OR [95% CI] | No. (%) | OR [95% CI] | ||
| Breast cancerb | |||||
| Total No. Stage | 8086 | 1595 | — | 339 | — |
| I | 2460 (30) | 259 (16) | 1.0 [—] | 65 (19) | 1.0 [—] |
| II | 3682 (46) | 718 (45) | 1.8 [1.6–2.1] | 153 (45) | 1.6 [1.2–2.1] |
| III | 1513 (19) | 422 (26) | 2.6 [2.2–3.1] | 83 (25) | 2.1 [1.5–2.9] |
| IV | 431 (5) | 196 (13) | 4.2 [3.4–5.1] | 38 (11) | 3.1 [2.1–4.7] |
| Cervical cancerb | |||||
| Total no. Stage | 2957 | 1042 | — | 366 | — |
| I | 2293 (78) | 603 (58) | 1.0 [—] | 232 (63) | 1.0 [—] |
| II | 199 (7) | 138 (13) | 2.7 [2.1–3.4] | 34 (9) | 1.8 [1.3–2.4] |
| III | 346 (12) | 202 (19) | 2.2 [1.8–2.7] | 65 (18) | 1.8 [1.3–2.4] |
| IV | 119 (4) | 99 (10) | 3.2 [2.4–4.3] | 35 (10) | 3.0 [2.0–4.4] |
| Lymphoma | |||||
| Total no. Stage | 4197 | 832 | — | 524 | — |
| I | 1,168 (28) | 184 (22) | 1.0 [—] | 113 (22) | 1.0 [—] |
| II | 1,449 (36) | 240 (29) | 1.1 [0.9–1.3] | 131 (25) | 1.0 [0.7–1.2] |
| III | 625 (15) | 133 (16) | 1.3 [1.0–1.7] | 111 (21) | 1.8 [1.4–2.3] |
| IV | 955 (23) | 275 (33) | 1.8 [1.5–2.2] | 169 (33) | 1.8 [1.4–2.3] |
| Male GUc | |||||
| Total no. Stage | 3302 | 416 | — | 484 | — |
| I | 2465 (75) | 212 (51) | 1.0 [—] | 329 (68) | 1.0 [—] |
| II | 457 (14) | 70 (17) | 1.9 [1.4–2.5] | 60 (12) | 1.1 [0.8–1.4] |
| III | 365 (11) | 130 (31) | 4.1 [3.2–5.2] | 91 (18) | 1.8 [1.4–2.4] |
| IV | 15 (<1) | 4 (1) | 4.1 [1.4–12.7] | 4 (1) | 2.8 [0.9–8.7] |
| Skin cancer | |||||
| Total no. Stage | 4297 | 213 | — | 220 | — |
| I | 3521 (82) | 102 (48) | 1.0 [—] | 136 (62) | 1.0 [—] |
| II | 335 (8) | 37 (17) | 3.8 [2.6–5.7] | 24 (11) | 1.9 [1.2–3.0] |
| III | 351 (8) | 44 (21) | 4.5 [3.1–6.5] | 41 (19) | 2.9 [2.0–4.3] |
| IV | 90 (2) | 30 (14) | 12.2 [7.6–19.7] | 128 (3) | 5.3 [3.1–9.0] |
| Colon cancer | |||||
| Total no. Stage | 2264 | 514 | — | 278 | — |
| I | 413 (18) | 51 (10) | 1.0 [—] | 35 (13) | 1.0 [—] |
| II | 519 (23) | 96 (19) | 1.5 [1.0–2.2] | 67 (24) | 1.4 [1.9–2.2] |
| III | 766 (34) | 203 (39) | 2.1 (1.5–2.2] | 98 (35) | 1.4 [0.9–2.2] |
| IV | 566 (25) | 164 (32) | 2.3 [1.6–3.2] | 78 (28) | 1.6 [1.0–2.4] |
| Other cancer | |||||
| Total no. Stage | 4149 | 1088 | — | 518 | — |
| I | 1797 (43) | 328 (30) | 1.0 [—] | 147 (28) | 1.0 [—] |
| II | 575 (14) | 138 (13) | 1.3 [1.1–1.6] | 62 (12) | 1.4 [1.0–1.8] |
| III | 614 (15) | 154 (14) | 1.4 [1.1–1.7] | 89 (17) | 1.8 [1.4–2.4] |
| IV | 1163 (28) | 468 (43) | 2.2 [1.9–2.6)] | 220 (43) | 2.3 [1.8–2.9] |
Abbreviations: CI, confidence interval; GU, genitourinary; OR, odds ratio.
a
All models were limited to patients ages 25 to 39 years and were adjusted for insurance type, race, patient age, and sex. Total percentages may not add up to 100% because of rounding errors.
b
Only female patients were included.
c
Only male patients were included.