Geographical Variation and Factors Associated with Non-Small Cell Lung Cancer in Manitoba
Table 2
Univariate and saturated Poisson regression analyses of age and sex standardized NSCLC incidence rate ratios, 1992 to 2008, in Manitoba.
Univariate IRR (CI)
Saturated IRR (CI)
Visible minority,
<3.03
1.00 (−)
1.00 (−)
3.03 to <10.99
1.304
(0.992, 1.662)
0.898
(0.501, 1.509)
10.99 to 39.17
1.253
(0.916, 1.686)
0.804
(0.406, 1.454)
Aboriginal status, %
<20.48
1.00 (−)
1.00 (−)
20.48 to <62.29
1.280
(0.900, 1.761)
1.160
(0.764, 1.643)
62.29 to 100
0.218
(0.077, 0.430)
0.225
(0.063, 0.520)
Immigrant, %
<5.07
1.00 (−)
1.00 (−)
5.07 to <15.00
1.059
(0.793, 1.431)
0.736
(0.492, 1.019)
15.00 to 35.25
0.981
(0.684, 1.346)
0.497
(0.303, 0.762)
Unemployment rate, %
<4.07
1.00 (−)
1.00 (−)
4.07 to <9.20
0.881
(0.600, 1.224)
0.968
(0.616, 1.445)
9.20 to 22.73
0.550
(0.130, 1.303)
2.273
(0.522,6.606)
Education, %
<6.78
1.00 (−)
1.00 (−)
6.78 to <14.25
1.357
(0.939, 1.959)
0.862
(0.589, 1.235)
14.25 to 32.12
1.531
(1.082, 2.152)
1.068
(0.602, 1.722)
Annual income, $
23,373 to <58.995
1.00 (−)
1.00 (−)
58.995 to <84.192
0.796
(0.634, 0.985)
0.638
(0.435, 0.909)
84,192
0.499
(0.356, 0.688)
0.450
(0.269, 0.700)
RHA
Winnipeg
1.00 (−)
1.00 (−)
North
0.344
(0.262, 1.210)
0.497
(0.324, 0.621)
South
0.622
(0.374, 1.802)
0.647
(0.364, 1.696)
East
0.903
(0.373, 1.799)
0.850
(0.149, 1.837)
West
1.004
(0.364, 1.756)
0.747
(0.289, 1.860)
Smoking, %
0
1.00 (−)
1.00 (−)
0 to < 6.30
3.531
(1.917, 6.152)
3.435
(1.899, 5.950)
6.30 to 53.48
5.500
(3.098, 9.410)
5.050
(2.914, 8.952)
All percentages refer to the proportion of the population with the characteristic in the area of residence; IRR: incidence rate ratio; CI: confidence interval.
