Table 7. Unadjusted and Adjusted Individual Chronic Condition's Effect on Being Up to Date for Colorectal Cancer Screening According to US Preventive Services Task Force Guidelines
ConditionsUp-to-date Colorectal Cancer Screening Status
Unadjusted Bivariate OR (95% CI)P ValueDemographics and Chronic Diseases, Adjusted OR (95% CI)*P ValueFinal Model, OR (95% CI)P Value
Men (n = 1563)
    No disease1.0 (Referent)1.0 (Referent)1.0 (Referent)
    Arthritis1.25 (0.99–1.58).070.97 (0.74–1.27).82Dropped
    Asthma1.12 (0.80–1.57).511.01 (0.69–1.48).96Dropped
    Cardiovascular disease0.77 (0.60–0.98).040.59 (0.44–0.80)<.0010.59 (0.44–0.79)<.001
    Digestive disorders2.07 (1.60–2.69)<.0011.88 (1.40–2.52)<.0011.83 (1.37–2.44)<.001
    Diabetes mellitus type 1 or 20.88 (0.66–1.17).370.77 (0.55–1.07).12Dropped
    Depression/anxiety1.24 (0.87–1.49).360.90 (0.65–1.23).51Dropped
    Hypertension1.18 (0.95–1.47).141.06 (0.81–1.38).68Dropped
    Low-back pain1.29 (1.01–1.66).041.00 (0.75–1.32).98Dropped
Women (n = 1870)
    No disease1.0 (Referent)1.0 (Referent)1.0 (Referent)
    Arthritis1.18 (0.96–1.45).110.83 (0.65–1.06).13Dropped
    Asthma1.24 (0.93–1.65).141.04 (0.76–1.43).80Dropped
    Cardiovascular disease1.08 (0.85–1.38).540.94 (0.71–1.26).69Dropped
    Digestive disorders2.21 (1.77–2.75)<.0011.72 (1.34–2.19)<.0011.69 (1.33–2.15)<.001
    Diabetes mellitus type 1 or 20.89 (0.67–1.17).400.77 (0.56–1.06).120.74 (0.54–1.01).06
    Depression/anxiety1.02 (0.83–1.26).840.71 (0.56–0.91).0060.69 (0.54–0.87).002
    Hypertension1.04 (0.85–1.27).700.90 (0.71–1.15).40Dropped
    Low-back pain1.70 (1.36–2.13)<.0011.29 (0.99–1.67).06Dropped
  • * Each disease was adjusted for age, marital status, ethnicity, body mass index classification, occupation, history of alcohol use, history of smoking, insurance status, length of contact with clinic, total number of visits in past 5 years, and the rest of the chronic diseases. All models included clinic as random effect.

  • Men: adjusted for age, ethnicity, occupation, history of alcohol use, insurance status, length of contact with clinic, total number of visits in past 5 years, cardiovascular disease, and digestive disorders. Women: adjusted for age, marital status, ethnicity, body mass index classification, history of alcohol use, insurance status, length of contact with clinic, total number of visits in past 5 years, digestive disorders, depression, diabetes mellitus, and low-back pain.