Table 6: Predictors of up-to-date CRC screening in Canada in 2012, stratified by sex and by provinces with and without CRC screening programs in 2012.
| Variable | Women; OR (95% CI) |
Men; OR (95% CI) |
||||
|---|---|---|---|---|---|---|
| All provinces | Provinces with screening programs* | Provinces without screening programs |
All provinces | Provinces with screening programs* |
Provinces without screening programs |
|
|
Age, yr |
||||||
| 50–54 |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
| 55–59 |
1.90 (1.68–2.16) |
1.89 (1.56–2.28) |
1.87 (1.58–2.23) |
1.65 (1.47–1.85) |
1.62 (1.37–1.92) |
1.71 (1.46–2.00) |
| 60–64 |
2.11 (1.85–2.42) |
2.20 (1.79–2.69) |
2.08 (1.73–2.49) |
2.38 (2.11–2.69) |
2.86 (2.37–3.44) |
2.07 (1.75–2.44) |
| 65–69 |
2.66 (2.29–3.08) |
2.81 (2.24–3.52) |
2.53 (2.07–3.08) |
2.09 (1.82–2.40) |
2.82 (2.27–3.50) |
1.72 (1.43–2.07) |
| 70–74 |
3.45 (2.89–4.11) |
3.87 (2.95–5.07) |
3.10 (2.46–3.92) |
2.76 (2.35–3.24) |
3.29 (2.56–4.21) |
2.46 (1.98–3.05) |
|
Income, $ |
||||||
| < 20 000 |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
| 20 000–39 000 |
1.04 (0.86–1.24) |
1.01 (0.76–1.34) |
1.07 (0.84–1.36) |
0.79 (0.64–0.97) |
1.10 (0.80–1.51) |
0.65 (0.50–0.84) |
| 40 000–59 999 |
1.12 (0.93–1.35) |
1.17 (0.88–1.57) |
1.12 (0.88–1.44) |
0.96 (0.79–1.18) |
1.18 (0.85–1.62) |
0.90 (0.68–1.17) |
| 60 000–79 999 |
1.07 (0.88–1.31) |
0.98 (0.73–1.33) |
1.17 (0.89–1.52) |
0.95 (0.78–1.17) |
1.60 (1.16–2.21) |
0.68 (0.51–0.89) |
| ≥ 80 000 |
1.61 (1.34–1.94) |
1.46 (1.10–1.95) |
1.71 (1.33–2.19) |
1.17 (0.96–1.42) |
1.74 (1.27–2.37) |
0.92 (0.71–1.19) |
|
Marital status |
||||||
| Married |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
| Common-law |
0.87 (0.73–1.03) |
1.53 (1.08–2.16) |
0.69 (0.56–0.85) |
0.78 (0.68–0.90) |
1.02 (0.80–1.31) |
0.69 (0.58–0.83) |
| Widowed/separated/divorced |
1.05 (0.93–1.18) |
0.99 (0.83–1.17) |
1.09 (0.93–1.28) |
0.78 (0.69–0.89) |
0.91 (0.75–1.11) |
0.69 (0.58–0.82) |
| Single (never married) |
1.22 (1.01–1.47) |
1.52 (1.11–2.08) |
1.06 (0.84–1.34) |
0.86 (0.73–1.02) |
1.07 (0.81–1.42) |
0.74 (0.60–0.92) |
|
Obesity |
||||||
| Underweight/normal |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
| Overweight |
0.86 (0.75–0.97) |
0.54 (0.45–0.66) |
1.28 (1.08–1.53) |
1.26 (1.13–1.40) |
1.43 (1.22–1.67) |
1.10 (0.94–1.27) |
| Obese |
0.82 (0.73–0.93) |
0.62 (0.51–0.75) |
1.06 (0.89–1.25) |
0.91 (0.81–1.02) |
0.95 (0.80–1.13) |
0.85 (0.72–0.99) |
|
Smoking |
||||||
| Daily |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
| Occasional/former |
1.68 (1.47–1.91) |
1.56 (1.27–1.90) |
1.78 (1.49–2.12) |
1.82 (1.63–2.03) |
1.81 (1.53–2.13) |
1.82 (1.56–2.12) |
| Never smoked |
1.39 (1.22–1.59) |
1.25 (1.02–1.52) |
1.56 (1.29–1.88) |
1.71 (1.50–1.95) |
1.61 (1.33–1.94) |
1.86 (1.55–2.23) |
|
Diabetes |
||||||
| No |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
| Yes |
0.75 (0.64–0.88) |
0.69 (0.55–0.86) |
0.78 (0.62–0.98) |
1.02 (0.89–1.16) |
0.79 (0.65–0.97) |
1.22 (1.02–1.45) |
|
Physical examination |
||||||
| No regular pattern |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
| At least once annually |
0.60 (0.55–0.66) |
0.56 (0.48–0.65) |
0.62 (0.55–0.70) |
0.44 (0.41–0.48) |
0.43 (0.38–0.48) |
0.45 (0.40–0.50) |
|
Self-described general medical status |
||||||
| Poor |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
| Fair |
0.55 (0.40–0.74) |
0.90 (0.59–1.40) |
0.29 (0.18–0.45) |
1.10 (0.84–1.43) |
0.79 (0.54–1.18) |
1.41 (0.97–2.05) |
| Good |
0.52 (0.39–0.70) |
0.85 (0.56–1.27) |
0.29 (0.18–0.44) |
1.07 (0.84–1.37) |
0.65 (0.45–0.94) |
1.56 (1.11–2.20) |
| Very good |
0.51 (0.38–0.68) |
0.81 (0.53–1.23) |
0.28 (0.18–0.43) |
0.94 (0.73–1.21) |
0.71 (0.49–1.04) |
1.13 (0.80–1.60) |
| Excellent |
0.53 (0.39–0.72) |
0.99 (0.64–1.54) |
0.26 (0.16–0.41) |
1.10 (0.85–1.44) |
0.62 (0.42–0.92) |
1.65 (1.15–2.38) |
|
Restriction of activities |
||||||
| Sometimes |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
| Often |
0.93 (0.80–1.10) |
1.16 (0.91–1.47) |
0.82 (0.66–1.01) |
1.28 (1.09–1.50) |
1.68 (1.32–2.15) |
1.04 (0.85–1.29) |
| Never |
0.86 (0.77–0.97) |
1.03 (0.87–1.23) |
0.73 (0.63–0.86) |
0.83 (0.74–0.92) |
1.11 (0.94–1.31) |
0.66 (0.57–0.77) |
|
Pap test |
||||||
| None or ≥ 3 yr |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
– |
– |
– |
| < 3 yr |
1.24 (1.11–1.37) |
1.35 (1.15–1.58) |
1.15 (1.00–1.32) |
– |
– |
– |
|
Mammmogram |
||||||
| None or ≥ 2 yr |
1.00 (ref) |
1.00 (ref) |
1.00 (ref) |
– |
– |
– |
| < 2 yr |
2.16 (1.93–2.42) |
2.86 (2.42–3.37) |
1.61 (1.38–1.88) |
– |
– |
– |
|
Province |
||||||
| With screening programs |
1.00 (ref) |
– |
– |
1.00 (ref) |
– |
– |
| Without screening programs | 2.30 (2.10–2.52) | – | – | 1.74 (1.60–1.89) | – | – |
Note: CI = confidence interval, CRC = colorectal cancer. *Nova Scotia, Ontario, Manitoba and Saskatchewan.