Table 3
Adjusted hazard ratios for thyroid cancer diagnosis during nine years of follow-up, by sex and selected characteristics,1991 and 2001 Canadian Census Health and Environment Cohorts

Table 3
Adjusted hazard ratios for thyroid cancer diagnosis during nine years of follow-up, by sex and selected characteristics, 1991 and 2001 Canadian Census Health and Environment Cohorts
Table summary
This table displays the results of Adjusted hazard ratios for thyroid cancer diagnosis during nine years of follow-up 1991 cohort, 2001 cohort, Men, Women, Hazard ratio and 95% confidence interval, calculated using from and to units of measure (appearing as column headers).
1991 cohort 2001 cohort
Men Women Men Women
Hazard ratio 95% confidence interval Hazard ratio 95% confidence interval Hazard ratio 95% confidence interval Hazard ratio 95% confidence interval
from to from to from to from to
Age group
25 to 34Table 3 Note † 1.00 Note ...: not applicable Note ...: not applicable 1.00 Note ...: not applicable Note ...: not applicable 1.00 Note ...: not applicable Note ...: not applicable 1.00 Note ...: not applicable Note ...: not applicable
35 to 44 1.31 0.97 1.76 1.02 0.88 1.17 1.08 0.88 1.33 1.14Note * 1.04 1.26
45 to 54 1.83Note * 1.35 2.48 0.88 0.73 1.05 1.40Note * 1.15 1.72 1.12Note * 1.01 1.24
55 to 64 2.36Note * 1.72 3.23 0.93 0.76 1.13 1.78Note * 1.45 2.20 0.96 0.86 1.09
65 to 74 2.61Note * 1.84 3.68 0.82 0.65 1.04 1.46Note * 1.14 1.87 0.70Note * 0.60 0.81
75 to 89 3.02Note * 1.90 4.80 0.84 0.62 1.16 1.38 0.99 1.90 0.43Note * 0.34 0.54
Marital status
Married or common-lawTable 3 Note † 1.00 Note ...: not applicable Note ...: not applicable 1.00 Note ...: not applicable Note ...: not applicable 1.00 Note ...: not applicable Note ...: not applicable 1.00 Note ...: not applicable Note ...: not applicable
Separated, widowed or divorced 1.06 0.76 1.49 1.00 0.84 1.19 0.78Note * 0.61 0.99 1.02 0.92 1.12
Single 0.74 0.53 1.05 0.86 0.72 1.04 0.75Note * 0.60 0.92 0.92 0.82 1.03
Immigrant status
Not an immigrantTable 3 Note † 1.00 Note ...: not applicable Note ...: not applicable 1.00 Note ...: not applicable Note ...: not applicable 1.00 Note ...: not applicable Note ...: not applicable 1.00 Note ...: not applicable Note ...: not applicable
Immigrant 1.15 0.92 1.45 1.48Note * 1.28 1.71 1.46Note * 1.26 1.69 1.61Note * 1.48 1.75
EthnicityTable 3 Note ‡
CaucasianTable 3 Note † 1.00 Note ...: not applicable Note ...: not applicable 1.00 Note ...: not applicable Note ...: not applicable 1.00 Note ...: not applicable Note ...: not applicable 1.00 Note ...: not applicable Note ...: not applicable
Black 1.04 0.46 2.36 0.93 0.60 1.45 0.85 0.51 1.41 0.92 0.72 1.18
East Asian 1.63Note * 1.00 2.66 1.49Note * 1.12 1.96 1.27 0.97 1.66 1.28Note * 1.10 1.48
Southeast Asian 1.11 0.41 3.03 1.92Note * 1.34 2.74 0.95 0.59 1.54 1.50Note * 1.24 1.81
South Asian 1.41 0.76 2.64 1.09 0.73 1.63 0.81 0.56 1.17 0.98 0.81 1.19
Highest level of education
Less than secondary graduationTable 3 Note † 1.00 Note ...: not applicable Note ...: not applicable 1.00 Note ...: not applicable Note ...: not applicable 1.00 Note ...: not applicable Note ...: not applicable 1.00 Note ...: not applicable Note ...: not applicable
Secondary graduation 1.06 0.85 1.33 1.03 0.89 1.19 1.00 0.85 1.16 0.94 0.86 1.03
Postsecondary diploma or certificate 1.24 0.92 1.68 1.14 0.96 1.35 1.27Note * 1.05 1.52 1.08 0.97 1.19
University degree 1.21 0.91 1.61 1.50Note * 1.25 1.80 1.24Note * 1.04 1.48 1.21Note * 1.09 1.35
Economic family income adequacy quintile
1 - lowestTable 3 Note † 1.00 Note ...: not applicable Note ...: not applicable 1.00 Note ...: not applicable Note ...: not applicable 1.00 Note ...: not applicable Note ...: not applicable 1.00 Note ...: not applicable Note ...: not applicable
2 1.10 0.78 1.55 1.01 0.84 1.21 0.87 0.70 1.08 1.13Note * 1.01 1.26
3 1.48Note * 1.07 2.04 1.01 0.84 1.22 0.99 0.81 1.22 1.05 0.93 1.17
4 1.08 0.76 1.51 1.11 0.92 1.34 1.05 0.86 1.29 1.09 0.98 1.23
5 - highest 1.26 0.90 1.77 1.07 0.88 1.30 1.09 0.89 1.33 1.16Note * 1.03 1.30
... not applicable
Note *

significantly different from reference group (p ≤ 0.05)

Return to note * referrer

Note †

reference group

Return to note † referrer

Note ‡

significant variation in risk across ethnic groups compared to Caucasian for women in both cohorts (p ≤ 0.05 for heterogeneity)

Return to note ‡ referrer

Notes: All characteristics are measured at baseline. 95% CIs are Wald confidence intervals. All models are adjusted for age group, marital status, immigrant status (2-level), ethnicity, education level and income quintile.
Source: 1991 and 2001 Canadian Census Health and Environment Cohorts.

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