Table 3 Prevalence and adjusted odds ratios relating selected variables (potential mediators) to cancer, female household population aged 18 years or older, Canada, 2012
% reporting cancer (95% CI) | Odds ratios controlling for age, other socio-demographic factors and: | |||||||
|---|---|---|---|---|---|---|---|---|
Obesity Odds (95% CI) | Smoking status Odds (95% CI) | Physical activity level Odds (95% CI) | Perceived life stress Odds (95% CI) | Life-time history of depression Odds (95% CI) | Alcohol abuse/dependence Odds (95% CI) | All mediators Odds (95% CI) | ||
Obesity - BMI category (range kg/m2) | ||||||||
Underweight (less than 18.5) | 11.1 ( 5.1, 17.0) | 1.7 (0.9, 3.5) | 1.6 (0.8, 2.9) | |||||
Normal weight (18.6 to 24.9) (reference) | 6.6 ( 5.5, 7.7) | |||||||
Overweight (25.0 to 29.9) | 8.9 ** (7.6, 10.1) | 1.1 (0.8, 1.4) | 1.1 (0.8, 1.4) | |||||
Obese Class I (30.0 to 34.9) | 8.1 ( 6.3, 9.8) | 0.9 (0.7, 1.2) | 0.9 (0.7, 1.2) | |||||
Obese Class II (35.0 to 39.9) | 9.1 ( 6.3, 12.0) | 1.1 (0.7, 1.7) | 1.1 (0.8, 1.7) | |||||
Obese Class III (40.0 or more) | 7.6 ( 4.6, 10.7) | 1.0 (0.6, 1.6) | 1.0 (0.6, 1.6) | |||||
1.4 (0.7, 2.7) | ||||||||
Smoking status | ||||||||
Daily smoker | 9.8 ** ( 7.7, 12.0) | 1.7** (1.3, 2.3) | 1.5** (1.2, 2.0) | |||||
Former daily smoker | 10.9 ** ( 9.3, 12.6) | 1.3* (1.1, 1.6) | 1.3* (1.0, 1.6) | |||||
Never a daily smoker (reference) | 6.3 ( 5.5, 7.0) | |||||||
Physically active | ||||||||
Yes | 8.6 ( 7.3, 9.9) | 1.3* (1.0, 1.6) | 1.3* (1.0, 1.7) | |||||
No (reference) | 7.4 ( 6.5, 8.2) | |||||||
Perceived life stress | ||||||||
Not at all stressful (reference) | 10.3 ( 8.0, 12.6) | |||||||
Not very stressful | 7.0 * ( 5.9, 8.1) | 1.0 (0.7, 1.3) | 1.0 (0.7, 1.3) | |||||
A bit stressful | 7.4 * ( 6.3, 8.6) | 1.4* (1.0, 1.8) | 1.3* (1.0, 1.8) | |||||
Quite a bit stressful | 7.5 ( 5.7, 9.2) | 1.6* (1.1, 2.3) | 1.5* (1.0, 2.2) | |||||
Extremely stressful | 12.5 ( 6.6, 18.4) | 2.8** (1.5, 5.1) | 2.5** (1.4, 4.7) | |||||
Life-time history of depression (reference no history of depression) | ||||||||
Yes | 9.3 ( 7.2, 11.5) | 1.5** (1.1, 2.0) | 1.3 (1.0, 1.8) | |||||
No (reference) | 7.6 ( 6.9, 8.3) | |||||||
Alcohol use | ||||||||
Life-time history of alcohol abuse/dependence | 8.7 ( 6.5, 10.9) | 1.6** (1.2, 2.2) | 1.4* (1.0, 1.9) | |||||
No history of abuse/dependence but above low-risk guidelines | 8.6 ( 6.3, 11.0) | 1.4* (1.0, 2.0) | 1.3 (0.9, 1.8) | |||||
No history of abuse/dependence and within low-risk guidelines (reference) | 7.6 ( 6.8, 8.4) | |||||||