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Table 3 Stepwise logistic regression model for factors associated with participation in CRC-screening (n = 6008) overall and stratified between males and females

From: To do or not to do – a survey study on factors associated with participating in the Danish screening program for colorectal cancer

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
  1. Bold OR are significant
  2. a “medium education” includes tertiary and bachelor’s education, and “high education” includes master and PhD-educations