Research Article
A Case-Control Study of Risk Factors for Salivary Gland Cancer in Canada
Table 1
Characteristics of cases for salivary gland cancer and controls, Canada, 1994–1997.
| | Variable | Cases | Controls |
| | Age (years) (mean ± SD) | | | | 26–29 (%) | 2.3 | 1.5 | | 30–34 (%) | 5.3 | 3.5 | | 35–39 (%) | 9.1 | 4.2 | | 40–44 (%) | 5.3 | 6.1 | | 45–49 (%) | 4.6 | 8.7 | | 50–54 (%) | 11.4 | 6.0 | | 55–59 (%) | 14.4 | 10.4 | | 60–64 (%) | 12.9 | 16.8 | | 65–69 (%) | 15.9 | 19.9 | | 70–76 (%) | 18.9 | 22.9 | | BMI (kg/m2) (mean ± SD) | | | | Alcohol consumption (drinks/week) (mean ± SD) | | | | Smoking pack years (mean ± SD) | | | | Total calorie intake (kcal/week) (mean ± SD) | | | | Total recreational physical activity (sessions/month) (mean ± SD) | | | | Province of residence (%) | | | | Newfoundland and Labrador | 0.8 | 0.5 | | Nova Scotia | 4.6 | 5.9 | | Ontario | 68.9 | 61.6 | | Manitoba | 3.8 | 2.4 | | Saskatchewan | 3.0 | 2.2 | | Alberta | 7.6 | 9.1 | | British Columbia | 11.4 | 18.4 | | Marital status (%) | | | | Never married | 9.9 | 5.6 | | Ever married (including common law) | 90.1 | 94.4 | | Sex (%) | | | | Male | 56.1 | 52.8 | | Female | 43.9 | 47.2 |
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