Table 2 Characteristics of the study cohort: Socio-demographic factors
Variable | n = 89434(%) |
|---|---|
Age at entry (mean±SD) | 48.51(±5.61) |
Birth place | |
Canada | 73611 (82.31) |
Foreign | 15823 (17.69) |
Years in Canada | |
Born in Canada | 73538 (82.22) |
1-5 | 516 (0.58) |
6-10 | 955 (1.07) |
11-20 | 4567 (5.11) |
> 20 | 9858 (11.02) |
Mother's birth place | |
Canada | 59103 (66.09) |
Foreign | 30331 (33.91) |
Father's birth place | |
Canada | 56169 (62.80) |
Foreign | 33265 (37.20) |
Ethnic origin | |
Canada | 336 (0.38) |
Foreign | 89098 (99.62) |
Marital status | |
Ever Married | 84046 (93.98) |
Never Married | 5388 (6.02) |
Occupations | |
Homemakers | 31186 (34.86) |
Clerical Occupations | 18922 (21.16) |
Social sciences, religion, teaching, artistic, literary and related | 9808 (10.97) |
Medicine and health | 8405 (9.40) |
Administrative and Managerial | 6026 (6.74) |
Sales Occupations | 4836 (5.41) |
Service Occupations-food and personal service | 3460 (3.87) |
Processing, machining, fabricating, and construction occupations | 1187 (1.33) |
Natural sciences, engineering and math | 684 (0.76) |
Transport, material handling, equipment operating | 622 (0.70) |
Farming, forestry and fishing | 567 (0.63) |
Others | 3731 (4.17) |
Allocation group | |
No mammography | 44744 (50.03) |
Mammography | 44690 (49.97) |