Table 5.
Relative Risk Ratios for Occupational Category and Income Differences in Cancer Survivors Compared With Cancer‐Free Individuals
| No. (% Employed in Occupational Category) | RRR for Occupational Category (95% CI)a | P for Income Differencesb | ||||
|---|---|---|---|---|---|---|
| Employment Category/ISCO Group | Noncancer Controls | Cancer Survivors | Men | Women | Men | Women |
| Unskilled/ISCO 9 | 35,508 (3.9) | 109 (3.7) | 0.73 (0.54‐0.97) | 0.84 (0.60‐1.18) | .68 | .92 |
| Semiskilled blue collar/ISCO 6‐8 | 167,814 (18.3) | 531 (18) | 0.88 (0.78‐0.99) | 0.59 (0.40‐0.87) | .65 | .25 |
| Semiskilled white collar/ISCO 4 and 5 | 276,584 (30.2) | 879 (29.7) | 0.94 (0.82‐1.08) | 0.95 (0.84‐1.08) | .86 | .50 |
| Skilled/ISCO 1‐3 | 437,331 (47.7) | 1438 (49) | 1.00 (Ref) | 1.00 (Ref) | .02 | .08 |
Abbreviations: CI, confidence interval; ISCO, International Standard Classification of Occupation; Ref, reference category; RRR, relative risk ratio.
a
Analyses were adjusted for year of birth and parental education.
b
P values are for income differences within occupational categories for cancer survivors compared with noncancer controls (adjusted for year of birth and parental education).