Health Care Systems for Tracking Colorectal Cancer Screening Tests

Table 4.13. Screening Rate Multivariate Logistic Regression, Intervention Practices Only: Full Model

Characteristics Stool Testa Colonoscopyb Any Screening Testc
OR 95% CI p OR 95% CI p OR 95% CI p
 
Patient Characteristics
Gender
Male
Female 1.05 0.87 1.27 0.585 1.20 1.00 1.44 0.054 1.14 0.96 1.35 0.136
Age
50-54
55-64 1.39 0.88 2.19 0.160 0.86 0.67 1.12 0.260 1.09 0.80 1.48 0.598
65-69 1.98 1.35 2.89 0.000 0.98 0.73 1.31 0.891 1.46 1.09 1.95 0.012
70-79 2.22 1.24 3.98 0.008 1.10 0.80 1.51 0.562 1.59 1.14 2.22 0.007
Insurance
Commercial and other
Medicare 0.96 0.81 1.16 0.698 0.77 0.59 1.01 0.055 0.86 0.76 0.97 0.012
Self/Medicaid 0.72 0.51 1.01 0.058 0.63 0.29 1.36 0.237 0.63 0.40 0.99 0.046
Practice Characteristics
Specialty
Family medicine
General internal medicine 0.91 0.62 1.34 0.637 1.28 1.11 1.49 0.001 1.15 0.98 1.35 0.084
Size
Small
Large 0.66 0.51 0.87 0.003 0.48 0.24 0.96 0.038 0.58 0.43 0.78 0.000
Location
Urban
Rural 1.54 0.93 2.55 0.096 2.69 1.69 4.27 0.000 2.02 1.63 2.50 0.000
Suburban 1.21 0.74 1.97 0.450 3.82 2.42 6.02 0.000 2.25 1.81 2.80 0.000
Data sources usedd
Least complete
Moderately complete 1.90 0.58 6.20 0.287 17.90 5.95 53.82 0.000 4.86 1.71 13.81 0.003
Most complete 2.02 0.99 4.13 0.053 20.30 9.83 41.92 0.000 4.61 3.00 7.10 0.000

a. Hosmer-Lemeshow Χ2 = 25.54, p = 0.001.
b. Hosmer-Lemeshow Χ2 = 9.84, p = 0.277.
c Hosmer-Lemeshow Χ2 = 14.48, p = 0.07. Includes stool test, colonoscopy, flexible sigmoidoscopy, or barium enema x ray. Persons with screens by multiple modalities are counted only once.
d The data sources used affects the amount of screening information available for patients of a given practice. It is not an indicator of predicting screening. Instead, this variable is used to control for the fact that some practices had more complete data than others.

Note: Confidence intervals and p values have been adjusted using cluster variance estimators.

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Page last reviewed October 2014
Page originally created September 2012
Internet Citation: Table 4.13. Screening Rate Multivariate Logistic Regression, Intervention Practices Only: Full Model. Content last reviewed October 2014. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/final-reports/crcscreeningrpt/crcscreentab4-13.html