Table 3.
Stepwise logistic regression model for factors associated with participation in CRC-screening (n = 6008) overall and stratified between males and females
| Characteristics | Stratified | |||||
|---|---|---|---|---|---|---|
| Overall | Male | Female | ||||
| OR | 95%- CI | OR | 95%- CI | OR | 95%- CI | |
| Sex | ||||||
| Female | 1.46 | 1.26–1.70 | ||||
| Age groups | ||||||
| 50–60 | 1 | Ref | 1 | Ref | ||
| 61–70 | 1.37 | 1.17–1.61 | 1.43 | 1.15–1.79 | ||
| 71–80 | 1.53 | 1.26–1.86 | 1.87 | 1.42–2.45 | ||
| Educationa | ||||||
| Basic school | 1 | Ref | 1 | Ref | 1 | Ref |
| High school | 0.98 | 0.81–1.19 | 1.09 | 0.84–1.42 | 0.86 | 0.65–1.15 |
| Vocational education | 1.41 | 0.96–2.07 | 2.06 | 1.22–3.48 | 0.86 | 0.49–1.53 |
| Medium education | 0.76 | 0.61–0.95 | 0.93 | 0.66–1.29 | 0.64 | 0.47–0.87 |
| High education | 0.56 | 0.42–0.72 | 0.70 | 0.48–1.02 | 0.43 | 0.29–0.64 |
| Average income per year (Euro) | ||||||
| < 20,000 | 1 | Ref | 1 | Ref | ||
| 20,000 – 33,333 | 1.13 | 0.86–1.48 | 1.34 | 0.91–1.97 | ||
| 33,334 – 46,666 | 1.47 | 1.11–1.93 | 1.80 | 1.22–2.65 | ||
| 46,667 – 66,666 | 1.68 | 1.26–2.24 | 2.28 | 1.52–3.42 | ||
| > 66,666 | 1.87 | 1.33–2.64 | 2.10 | 1.32–3.38 | ||
| Body mass index | ||||||
| < 25 | 1 | Ref | 1 | Ref | ||
| 25–30 (overweight) | 1.07 | 0.91–1.26 | 1.04 | 0.82–1.32 | ||
| > 30 (obese) | 0.80 | 0.66–0.97 | 0.75 | 0.57–0.98 | ||
| Willingness to take health risks | ||||||
| Low | 1 | Ref | 1 | Ref | ||
| Moderate | 0.84 | 0.71–1.01 | 0.80 | 0.63–1.02 | ||
| High | 0.76 | 0.60–0.96 | 0.73 | 0.54–0.99 | ||
| Smoking status | ||||||
| Never smoked | 1 | Ref | 1 | Ref | 1 | Ref |
| Quit smoking | 0.91 | 0.77–1.07 | 0.99 | 0.79–1.24 | 0.82 | 0.65–1.04 |
| Smoker | 0.57 | 0.47–0.68 | 0.65 | 0.50–0.84 | 0.49 | 0.37–0.63 |
| Alcohol consumption | ||||||
| None | 1 | Ref | 1 | Ref | 1 | Ref |
| 1 to 14 units per week | 1.40 | 1.19–1.66 | 1.51 | 1.17–1.94 | 1.43 | 1.15–1.78 |
| > 14 times per week | 1.04 | 0.82–1.32 | 1.12 | 0.82–1.52 | 0.97 | 0.63–1.48 |
| Self-assessed nutrition | ||||||
| Healthy and very healthy | 0.81 | 0.66–0.98 | ||||
| Variables not included in model | Self-assessed health, health literacy, physical activity, healthy nutrition | Self-assessed health, health literacy, physical activity, BMI | Self-assessed health, health literacy, physical activity, healthy nutrition, self-assessed risky behaviour, age, income | |||
Bold OR are significant
a “medium education” includes tertiary and bachelor’s education, and “high education” includes master and PhD-educations