Table 4.
Socio-demographic and cancer-related factors associated with being reported by multiple (mult) vs. single institutions for patients reported to an integrated health system, by invasive cancer site, Greater Bay Area of California, 2010–11.
| Breast cancer
|
Prostate cancer
|
Lung cancer
|
Pancreatic cancer
|
All invasive cancers
|
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| n (mult/single) | OR (95% CI) | n (mult/single) | OR (95% CI) | n (mult/single) | OR (95% CI) | n (mult/single) | OR (95% CI) | n (mult/single) | OR (95% CI) | |
| Age at diagnosis | ||||||||||
| 75+ | 64/468 | Reference | 47/466 | Reference | 61/747 | Reference | 9/177 | Reference | 282/4714 | Reference |
| 65–74 | 65/599 | 1.1 (0.7–1.6) | 101/1249 | 0.9 (0.6–1.3) | 57/569 | 1.3 (0.9–1.8) | 8/153 | 1.0 (0.4–2.9) | 387/4883 | 1.4 (1.2–1.6) |
| 55–64 | 96/738 | 1.0 (0.8–1.3) | 102/1308 | 0.9 (0.6–1.2) | 55/339 | 2.0 (1.3–3.0) | 11/99 | 1.9 (0.7–4.9) | 474/4836 | 1.8 (1.5–2.1) |
| 45–54 | 65/563 | 1.0 (0.8–1.3) | 24/344 | 0.7 (0.4–1.2) | 21/92 | 3.1 (1.8–5.5) | 4/38 | 1.6 (0.4–5.9) | 215/2340 | 1.8 (1.5–2.1) |
| 0–44 | 28/282 | 0.9 (0.7–1.3) | 1/15 | 1/20 | 0.7 (0.1–5.0) | 0/2 | 123/1357 | 2.0 (1.6–2.4) | ||
| Sex | ||||||||||
| Male | N/A | 275/3382 | N/A | 149/917 | Reference | 23/266 | Reference | 925/9679 | Reference | |
| Female | 318/2650 | 46/850 | 0.3 (0.2–0.5) | 9/203 | 0.5 (0.2–1.0) | 556/8451 | 0.7 (0.6–0.8) | |||
| Race/ethnicity | ||||||||||
| NH White | 223/1480 | Reference | 181/1999 | Reference | 140/1155 | Reference | 20/308 | Reference | 975/11199 | Reference |
| NH Black | 13/235 | 0.4 (0.2–0.7) | 43/419 | 1.2 (0.9–1.8) | 23/178 | 0.8 (0.5–1.4) | 3/42 | 1.3 (0.3–4.8) | 129/1619 | 0.8 (0.7–1.0) |
| Hispanic | 24/332 | 0.5 (0.3–0.7) | 29/480 | 0.7 (0.5–1.1) | 6/128 | 0.4 (0.2–0.9) | 1/59 | 0.2 (0.0–1.6) | 155/2238 | 0.8 (0.6–0.9) |
| NH Asian/PI | 54/586 | 0.6 (0.5–0.9) | 21/378 | 0.6 (0.4–0.9) | 26/294 | 0.6 (0.4–1.0) | 8/68 | 2.1 (0.9–5.3) | 213/2796 | 0.8 (0.7–1.0) |
| Other/Unk | 4/17 | 1.7 (0.6–5.1) | 1/106 | 0.1 (0.0–0.8) | 0/12 | – | 0/0 | 9/278 | 0.4 (0.2–0.7) | |
| AJCC stage at diagnosis | ||||||||||
| I | 179/1407 | Reference | 49/1223 | Reference | 23/371 | Reference | 5/44 | Reference | 357/6758 | Reference |
| II | 96/870 | 0.9 (0.7–1.2) | 182/1764 | 2.6 (1.9–3.6) | 15/141 | 1.9 (0.9–3.8) | 6/114 | 0.5 (0.1–1.7) | 396/4139 | 1.8 (1.5–2.1) |
| III | 34/216 | 1.3 (0.9–1.9) | 24/154 | 3.9 (2.3–6.5) | 45/328 | 2.3 (1.3–3.9) | 7/33 | 1.9 (0.5–6.9) | 223/2025 | 2.1 (1.8–2.5) |
| IV | 7/113 | 0.5 (0.2–1.1) | 17/188 | 2.1 (1.2–3.9) | 110/868 | 2.1 (1.3–3.4) | 14/278 | 0.5 (0.2–1.4) | 334/3020 | 2.2 (1.9–2.6) |
| Unknown | 2/44 | 0.3 (0.1–1.4) | 3/53 | 1.3 (0.4–4.3) | 2/59 | 0.7 (0.2–3.2) | N/A | 171/2188 | 1.6 (1.3–1.9) | |
| Neighborhood socioeconomic status (quintiles) | ||||||||||
| 5, highest | 143/1093 | Reference | 134/1469 | Reference | 70/642 | Reference | 11/203 | Reference | 635/7463 | Reference |
| 4 | 85/763 | 0.9 (0.7–1.2) | 62/848 | 0.8 (0.6–1.1) | 59/520 | 1.0 (0.7–1.5) | 10/113 | 1.5 (0.6–3.8) | 378/4928 | 0.9 (0.8–1.0) |
| 3 | 49/442 | 1.0 (0.7–1.4) | 46/596 | 0.9 (0.6–1.2) | 33/332 | 0.9 (0.6–1.4) | 10/83 | 2.4 (0.9–6.1) | 243/3199 | 0.9 (0.8–1.0) |
| 2 1, lowest |
35/235 6/117 |
1.4 (0.9–2.1) 0.6 (0.3–1.4) |
21/310 12/159 |
0.7 (0.4–1.2) 0.8 (0.4–1.6) |
24/199 9/74 |
1.1 (0.7–1.8) 1.1 (0.5–2.4) |
0/50 1/20 |
0.3 (0.0–2.2) | 158/1694 67/846 |
1.1 (0.9–1.4) 1.0 (0.7–1.3) |
NH = non-Hispanic; PI Pacific Islander.
Logistic regression models were adjusted for all variables presented on table. Categories were combined as needed and as shown to facilitate regression model convergence. Patients included were not seen at any integrated health system such as Kaiser Permanente or the Veterans Affairs Administration.
Bold values indicate p < 0.05.