In this article (Cancer Epidemiol Biomarkers Prev 2016;25:750–8), which appeared in the May 2016 issue of Cancer Epidemiology, Biomarkers and Prevention (1), the authors regret that the variable “Age at Diagnosis” in Table 1 had been labeled incorrectly. “Age at Diagnosis” has changed from “30–50; 51–64; 65–85” to “30–64; 65–74; 75–85.” The corrected table is found below:
Characteristics of the study population (N = 8,322)
| Characteristics . | Total, no. (%) or median (95% CI) . | White, no. (%) or median (95% CI) . | Black, no. (%) or median (95% CI) . | P . |
|---|---|---|---|---|
| Study population | 8,322 (100.0) | 6,867 (82.5) | 1,455 (17.5) | |
| Vital status | <0.001 | |||
| Alive | 2,987 (35.9) | 2,528 (36.8) | 459 (31.5) | |
| Deceased | 5,335 (64.1) | 4,339 (63.2) | 996 (68.5) | |
| Median death time (months) | 31.3 (29.9–32.4) | 32.2 (31.0–34.4) | 26.4 (23.9–29.4) | |
| Gender | 0.063 | |||
| Male | 4,610 (55.4) | 3,772 (54.9) | 838 (57.6) | |
| Female | 3,712 (44.6) | 3,095 (45.1) | 617 (42.4) | |
| Age at diagnosis | <0.001 | |||
| 30–64 | 3,157 (37.9) | 2,439 (35.5) | 718 (49.4) | |
| 65–74 | 3,090 (37.1) | 2,636 (38.4) | 454 (31.2) | |
| 75–85 | 2,075 (24.9) | 1,792 (26.1) | 283 (19.4) | |
| Tumor grade | <0.001 | |||
| Well differentiated | 722 (8.7) | 613 (8.9) | 109 (7.5) | |
| Moderately differentiated | 2,348 (28.2) | 1,992 (29.0) | 356 (24.5) | |
| Poorly differentiated | 2,411 (29.0) | 2,000 (29.1) | 411 (28.3) | |
| Undifferentiated | 264 (3.2) | 222 (3.2) | 42 (2.9) | |
| Unknown | 2,577 (31.0) | 2,040 (29.7) | 537 (36.9) | |
| Surgery | <0.001 | |||
| No | 3,619 (43.5) | 2,843 (41.4) | 776 (53.3) | |
| Yes | 4,703 (56.5) | 4,024 (58.6) | 679 (46.7) | |
| Place of residence | <0.001 | |||
| Urban | 4,468 (53.7) | 3,503 (51.0) | 965 (66.3) | |
| Suburban | 2,492 (29.9) | 2,215 (32.3) | 277 (19.0) | |
| Rural | 1,362 (16.4) | 1,149 (16.7) | 213 (14.6) | |
| Social environment (census tract-level) | ||||
| Educational attainmenta | <0.001 | |||
| 1st quartile (highest) | 1,803 (21.7) | 1,568 (22.8) | 235 (16.2) | |
| 2 | 2,141 (25.7) | 1,749 (25.5) | 392 (26.9) | |
| 3 | 2,355 (28.3) | 1,868 (27.2) | 487 (33.5) | |
| 4th quartile | 2,023 (24.3) | 1,682 (24.5) | 341 (23.4) | |
| Elderly concentrationb | <0.001 | |||
| 1st quartile (lowest) | 1,881 (22.6) | 1,568 (22.8) | 313 (21.5) | |
| 2 | 2,228 (26.8) | 1,917 (28.0) | 311 (21.4) | |
| 3 | 2,213 (26.6) | 1,825 (26.6) | 388 (26.7) | |
| 4th quartile | 2,000 (24.0) | 1,557 (22.7) | 443 (30.5) | |
| Economic deprivationc | <0.001 | |||
| 1st quartile (lowest) | 2,770 (33.3) | 2,642 (38.5) | 128 (8.8) | |
| 2 | 2,281 (27.4) | 2,074 (30.2) | 207 (14.2) | |
| 3 | 1,887 (22.7) | 1,474 (21.5) | 413 (28.4) | |
| 4th quartile | 1,384 (16.6) | 677 (9.9) | 707 (48.6) | |
| Residential segregationd | <0.001 | |||
| 1st quartile (lowest) | 2,558 (30.7) | 2,490 (36.3) | 68 (4.7) | |
| 2 | 2,262 (27.1) | 2,076 (30.2) | 186 (12.8) | |
| 3 | 2,065 (24.8) | 1,673 (24.4) | 392 (26.9) | |
| 4th quartile | 1,437 (17.3) | 628 (9.2) | 809 (55.6) | |
| Combined RS and EDe | <0.001 | |||
| Low RS – Low ED | 4,159 (50.0) | 3,973 (57.9) | 186 (12.8) | |
| Low RS – High ED | 661 (7.9) | 593 (8.6) | 68 (4.7) | |
| High RS – Low ED | 892 (10.7) | 743 (10.8) | 149 (10.2) | |
| High RS – High ED | 2,610 (31.4) | 1,558 (22.7) | 1,052 (72.3) |
| Characteristics . | Total, no. (%) or median (95% CI) . | White, no. (%) or median (95% CI) . | Black, no. (%) or median (95% CI) . | P . |
|---|---|---|---|---|
| Study population | 8,322 (100.0) | 6,867 (82.5) | 1,455 (17.5) | |
| Vital status | <0.001 | |||
| Alive | 2,987 (35.9) | 2,528 (36.8) | 459 (31.5) | |
| Deceased | 5,335 (64.1) | 4,339 (63.2) | 996 (68.5) | |
| Median death time (months) | 31.3 (29.9–32.4) | 32.2 (31.0–34.4) | 26.4 (23.9–29.4) | |
| Gender | 0.063 | |||
| Male | 4,610 (55.4) | 3,772 (54.9) | 838 (57.6) | |
| Female | 3,712 (44.6) | 3,095 (45.1) | 617 (42.4) | |
| Age at diagnosis | <0.001 | |||
| 30–64 | 3,157 (37.9) | 2,439 (35.5) | 718 (49.4) | |
| 65–74 | 3,090 (37.1) | 2,636 (38.4) | 454 (31.2) | |
| 75–85 | 2,075 (24.9) | 1,792 (26.1) | 283 (19.4) | |
| Tumor grade | <0.001 | |||
| Well differentiated | 722 (8.7) | 613 (8.9) | 109 (7.5) | |
| Moderately differentiated | 2,348 (28.2) | 1,992 (29.0) | 356 (24.5) | |
| Poorly differentiated | 2,411 (29.0) | 2,000 (29.1) | 411 (28.3) | |
| Undifferentiated | 264 (3.2) | 222 (3.2) | 42 (2.9) | |
| Unknown | 2,577 (31.0) | 2,040 (29.7) | 537 (36.9) | |
| Surgery | <0.001 | |||
| No | 3,619 (43.5) | 2,843 (41.4) | 776 (53.3) | |
| Yes | 4,703 (56.5) | 4,024 (58.6) | 679 (46.7) | |
| Place of residence | <0.001 | |||
| Urban | 4,468 (53.7) | 3,503 (51.0) | 965 (66.3) | |
| Suburban | 2,492 (29.9) | 2,215 (32.3) | 277 (19.0) | |
| Rural | 1,362 (16.4) | 1,149 (16.7) | 213 (14.6) | |
| Social environment (census tract-level) | ||||
| Educational attainmenta | <0.001 | |||
| 1st quartile (highest) | 1,803 (21.7) | 1,568 (22.8) | 235 (16.2) | |
| 2 | 2,141 (25.7) | 1,749 (25.5) | 392 (26.9) | |
| 3 | 2,355 (28.3) | 1,868 (27.2) | 487 (33.5) | |
| 4th quartile | 2,023 (24.3) | 1,682 (24.5) | 341 (23.4) | |
| Elderly concentrationb | <0.001 | |||
| 1st quartile (lowest) | 1,881 (22.6) | 1,568 (22.8) | 313 (21.5) | |
| 2 | 2,228 (26.8) | 1,917 (28.0) | 311 (21.4) | |
| 3 | 2,213 (26.6) | 1,825 (26.6) | 388 (26.7) | |
| 4th quartile | 2,000 (24.0) | 1,557 (22.7) | 443 (30.5) | |
| Economic deprivationc | <0.001 | |||
| 1st quartile (lowest) | 2,770 (33.3) | 2,642 (38.5) | 128 (8.8) | |
| 2 | 2,281 (27.4) | 2,074 (30.2) | 207 (14.2) | |
| 3 | 1,887 (22.7) | 1,474 (21.5) | 413 (28.4) | |
| 4th quartile | 1,384 (16.6) | 677 (9.9) | 707 (48.6) | |
| Residential segregationd | <0.001 | |||
| 1st quartile (lowest) | 2,558 (30.7) | 2,490 (36.3) | 68 (4.7) | |
| 2 | 2,262 (27.1) | 2,076 (30.2) | 186 (12.8) | |
| 3 | 2,065 (24.8) | 1,673 (24.4) | 392 (26.9) | |
| 4th quartile | 1,437 (17.3) | 628 (9.2) | 809 (55.6) | |
| Combined RS and EDe | <0.001 | |||
| Low RS – Low ED | 4,159 (50.0) | 3,973 (57.9) | 186 (12.8) | |
| Low RS – High ED | 661 (7.9) | 593 (8.6) | 68 (4.7) | |
| High RS – Low ED | 892 (10.7) | 743 (10.8) | 149 (10.2) | |
| High RS – High ED | 2,610 (31.4) | 1,558 (22.7) | 1,052 (72.3) |
Abbreviations: CI, confidence interval; ED, economic deprivation; no., number; RS, residential segregation.
aLatent variable includes the following census variables: percent individuals with a high school degree or lower (+), and percent individuals with a college degree or higher (−).
bLatent variable includes the following census variables: percent 65 or older (+) and percent female widows (+).
cLatent variable includes the following census variables: percent households below the poverty level (+), percent households with a female head of house with children (+), percent households on public assistance (+), and percent married (−).
dCensus tract-level residential segregation was measured using the isolation index.
eCombined variable includes residential segregation and economic deprivation latent variables where low = first and second quartiles and high = third and fourth quartiles.
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