Table 1
Age-standardized incidence rates (ASIRs) for lung cancer per 100,000 person-years at risk, rate ratios (RR), and rate differences (RD), by sex and selected socioeconomic status (SES) characteristics, Canadian Census Cohort members aged 25 or older at baseline, Canada, 1991 to 2003
| Sex and SES characteristics | Number of cases | ASIR | 95% confidence interval | RR | 95% confidence interval | RD | 95% confidence interval | |||
|---|---|---|---|---|---|---|---|---|---|---|
| from | to | from | to | from | to | |||||
| Both sexes | ||||||||||
| Educational attainment | ||||||||||
| Less than secondary graduation | 17,760 | 113.6 | 111.9 | 115.4 | 2.52 | 2.38 | 2.68 | 68.6 | 65.5 | 71.7 |
| Secondary graduation | 8,750 | 88.3 | 86.5 | 90.2 | 1.96 | 1.85 | 2.08 | 43.3 | 40.1 | 46.4 |
| At least some postsecondary | 2,255 | 60.0 | 57.5 | 62.6 | 1.33 | 1.24 | 1.43 | 15.0 | 11.4 | 18.6 |
| University degreeNote † | 1,310 | 45.0 | 42.5 | 47.6 | 1.00 | Note ...: not applicable | Note ...: not applicable | 0.0 | Note ...: not applicable | Note ...: not applicable |
| Income adequacy quintile (Q) | ||||||||||
| Q1 (lowest) | 7,324 | 122.2 | 119.3 | 125.2 | 1.82 | 1.76 | 1.90 | 55.2 | 51.7 | 58.8 |
| Q2 | 7,174 | 105.2 | 102.6 | 107.8 | 1.57 | 1.51 | 1.63 | 38.2 | 35.0 | 41.5 |
| Q3 | 5,686 | 92.5 | 90.1 | 95.0 | 1.38 | 1.33 | 1.44 | 25.6 | 22.4 | 28.7 |
| Q4 | 5,091 | 81.0 | 78.8 | 83.3 | 1.21 | 1.16 | 1.26 | 14.1 | 11.0 | 17.1 |
| Q5 (highest)Note † | 4,800 | 67.0 | 65.0 | 69.0 | 1.00 | Note ...: not applicable | Note ...: not applicable | 0.0 | Note ...: not applicable | Note ...: not applicable |
| Occupation | ||||||||||
| ManagerialNote † | 1,072 | 50.4 | 46.2 | 54.9 | 1.00 | Note ...: not applicable | Note ...: not applicable | 0.0 | Note ...: not applicable | Note ...: not applicable |
| Professional | 1,494 | 75.8 | 70.3 | 81.7 | 1.50 | 1.34 | 1.69 | 25.4 | 18.2 | 32.6 |
| Skilled/Technical/Supervisory | 4,760 | 80.5 | 77.7 | 83.4 | 1.60 | 1.46 | 1.76 | 30.2 | 24.9 | 35.4 |
| Semi-skilled | 4,880 | 88.1 | 84.6 | 91.8 | 1.75 | 1.59 | 1.93 | 37.8 | 32.1 | 43.4 |
| Unskilled | 2,210 | 104.6 | 99.0 | 110.6 | 2.08 | 1.87 | 2.30 | 54.3 | 47.0 | 61.5 |
| No occupation | 15,659 | 110.8 | 108.2 | 113.3 | 2.20 | 2.01 | 2.41 | 60.4 | 55.3 | 65.4 |
| Men | ||||||||||
| Educational attainment | ||||||||||
| Less than secondary graduation | 11,583 | 149.1 | 146.3 | 152.0 | 2.78 | 2.59 | 2.98 | 95.4 | 90.9 | 100.0 |
| Secondary graduation | 5,618 | 114.2 | 111.1 | 117.3 | 2.13 | 1.98 | 2.28 | 60.5 | 55.8 | 65.2 |
| At least some postsecondary | 1,072 | 81.8 | 76.7 | 87.2 | 1.52 | 1.39 | 1.67 | 28.1 | 21.7 | 34.4 |
| University degreeNote † | 946 | 53.7 | 50.3 | 57.4 | 1.00 | Note ...: not applicable | Note ...: not applicable | 0.0 | Note ...: not applicable | Note ...: not applicable |
| Income adequacy quintile (Q) | ||||||||||
| Q1 (lowest) | 4,155 | 172.9 | 167.6 | 178.3 | 2.11 | 2.01 | 2.22 | 91.1 | 84.9 | 97.3 |
| Q2 | 4,859 | 143.3 | 139.2 | 147.7 | 1.75 | 1.67 | 1.84 | 61.6 | 56.3 | 66.8 |
| Q3 | 3,775 | 120.4 | 116.6 | 124.4 | 1.47 | 1.4 | 1.55 | 38.7 | 33.7 | 43.6 |
| Q4 | 3,320 | 102.6 | 99.0 | 106.3 | 1.25 | 1.19 | 1.32 | 20.8 | 16.0 | 25.6 |
| Q5 (highest)Note † | 3,110 | 81.8 | 78.7 | 84.9 | 1.00 | Note ...: not applicable | Note ...: not applicable | 0.0 | Note ...: not applicable | Note ...: not applicable |
| Occupation | ||||||||||
| ManagerialNote † | 639 | 57.1 | 51.5 | 63.3 | 1.00 | Note ...: not applicable | Note ...: not applicable | 0.0 | Note ...: not applicable | Note ...: not applicable |
| Professional | 1,160 | 79.4 | 73.0 | 86.3 | 1.39 | 1.22 | 1.59 | 22.3 | 13.5 | 31.2 |
| Skilled/Technical/Supervisory | 3,461 | 94.2 | 90.4 | 98.3 | 1.65 | 1.48 | 1.85 | 37.2 | 30.1 | 44.3 |
| Semi-skilled | 2,884 | 117.6 | 111.4 | 124.1 | 2.06 | 1.83 | 2.31 | 60.5 | 51.8 | 69.2 |
| Unskilled | 1,507 | 130.3 | 121.7 | 139.5 | 2.28 | 2.02 | 2.58 | 73.2 | 62.6 | 83.9 |
| No occupation | 9,568 | 174.7 | 168.3 | 181.4 | 3.06 | 2.74 | 3.42 | 117.7 | 108.9 | 126.5 |
| Women | ||||||||||
| Educational attainment | ||||||||||
| Less than secondary graduation | 6,177 | 81.8 | 79.6 | 84.0 | 2.70 | 2.41 | 3.03 | 51.5 | 47.5 | 55.5 |
| Secondary graduation | 3,132 | 63.5 | 61.3 | 65.7 | 2.10 | 1.87 | 2.36 | 33.2 | 29.2 | 37.2 |
| At least some postsecondary | 1,183 | 49.1 | 46.3 | 52.0 | 1.62 | 1.43 | 1.84 | 18.8 | 14.5 | 23.2 |
| University degreeNote † | 364 | 30.3 | 27.1 | 33.8 | 1.00 | Note ...: not applicable | Note ...: not applicable | 0.0 | Note ...: not applicable | Note ...: not applicable |
| Income adequacy quintile (Q) | ||||||||||
| Q1 (lowest) | 3,169 | 90.7 | 87.3 | 94.2 | 1.81 | 1.7 | 1.93 | 40.7 | 36.4 | 44.9 |
| Q2 | 2,315 | 69.8 | 66.9 | 72.9 | 1.40 | 1.31 | 1.49 | 19.8 | 15.9 | 23.7 |
| Q3 | 1,911 | 63.8 | 61.0 | 66.8 | 1.28 | 1.19 | 1.36 | 13.8 | 10.0 | 17.6 |
| Q4 | 1,771 | 58.0 | 55.3 | 60.8 | 1.16 | 1.08 | 1.24 | 8.0 | 4.3 | 11.7 |
| Occupation | ||||||||||
| ManagerialNote † | 433 | 37.6 | 32.0 | 44.2 | 1.00 | Note ...: not applicable | Note ...: not applicable | 0.0 | Note ...: not applicable | Note ...: not applicable |
| Professional | 334 | 60.9 | 51.0 | 72.7 | 1.62 | 1.27 | 2.06 | 23.2 | 10.9 | 35.6 |
| Skilled/Technical/Supervisory | 1,299 | 54.0 | 50.4 | 57.8 | 1.43 | 1.20 | 1.71 | 16.4 | 9.3 | 23.5 |
| Semi-skilled | 1,996 | 59.9 | 56.4 | 63.5 | 1.59 | 1.34 | 1.89 | 22.2 | 15.2 | 29.3 |
| Unskilled | 703 | 68.5 | 62.0 | 75.8 | 1.82 | 1.51 | 2.20 | 30.9 | 21.7 | 40.1 |
| No occupation | 6,091 | 77.8 | 75.2 | 80.4 | 2.07 | 1.75 | 2.44 | 40.2 | 33.6 | 46.8 |
... not applicable
Source: 1991 Canadian Census Cohort: mortality and cancer follow-up. |
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