Table 1 Descriptive statistics at baseline for the study cohort of people living in Toronto or Montreal (1991, 1996, 2001, and 2006 CanCHEC cohorts).
Characteristic | Person-Years | Participants | Incident brain tumours | Rate (Per Person-Year) |
|---|---|---|---|---|
Total | 13,636,200 | 1,291,900 | 1300 | 9.5 |
Sex | ||||
Male | 6,258,300 | 608,300 | 700 | 11.2 |
Female | 7,377,900 | 683,600 | 600 | 8.1 |
Immigrant status | ||||
Non-immigrant | 7,032,800 | 710,400 | 700 | 10.0 |
Immigrant | 6,603,400 | 581,500 | 600 | 9.1 |
City of residence | ||||
Montreal | 5,079,400 | 564,600 | 500 | 9.8 |
Toronto | 8,556,800 | 727,300 | 800 | 9.3 |
Age group | ||||
25–34 | 2,014,600 | 193,700 | 200 | 9.9 |
35–44 | 3,071,500 | 288,300 | 300 | 9.8 |
45–54 | 3,057,900 | 287,900 | 300 | 9.8 |
55–64 | 2,175,500 | 205,700 | 200 | 9.2 |
65–74 | 1,457,900 | 137,400 | 200 | 13.7 |
75–84 | 1,284,700 | 123,300 | 200 | 15.6 |
85–89 | 574,100 | 55,500 | 100 | 17.4 |
Occupational class | ||||
Management | 1,151,500 | 107,300 | 100 | 8.7 |
Professional | 2,132,000 | 193,500 | 200 | 9.4 |
Skilled, technical & supervisory | 2,513,700 | 233,600 | 200 | 8.0 |
Semiskilled | 3,032,200 | 279,200 | 300 | 9.9 |
Unskilled | 993,800 | 89,800 | 100 | 10.1 |
No occupation/not in labour force | 3,812,900 | 388,500 | 500 | 13.1 |
Income quintile | ||||
Lowest | 2,727,300 | 260,900 | 200 | 7.3 |
Second lowest | 2,727,200 | 274,300 | 300 | 11.0 |
Middle | 2,722,800 | 261,000 | 300 | 11.0 |
Second highest | 2,731,500 | 254,200 | 300 | 11.0 |
Highest | 2,727,400 | 241,400 | 300 | 11.0 |
Educational attainment | ||||
Less than high school graduation | 3,725,400 | 351,700 | 400 | 10.7 |
High school graduation with/without trades certificate | 4,053,500 | 382,700 | 400 | 9.9 |
Some postsecondary or college diploma | 2,405,900 | 238,000 | 200 | 8.3 |
University degree | 3,451,400 | 319,500 | 300 | 8.7 |
Cohort | ||||
1991 | 3,778,500 | 337,000 | 400 | 10.6 |
1996 | 5,225,900 | 465,700 | 600 | 11.5 |
2001 | 3,269,000 | 283,300 | 200 | 6.1 |
2006 | 1,362,800 | 205,900 | 100 | 7.3 |
Marital status | ||||
Single | 2,695,600 | 263,600 | 200 | 7.4 |
Common-law | 929,600 | 101,000 | 100 | 10.8 |
Married | 8,038,100 | 723,400 | 900 | 11.2 |
Separated | 401,000 | 38,900 | NA | NA |
Divorced | 849,000 | 84,300 | 100 | 11.8 |
Widowed | 722,900 | 80,600 | 100 | 13.8 |
Visible minority status | ||||
Not defined as visible minority | 9,932,000 | 962,300 | 1100 | 11.1 |
Visible minority | 3,704,00 | 329,600 | 200 | 5.4 |
