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

Health Care Systems for Tracking Colorectal Cancer Screening Tests

Characteristics	Stool Test^a				Colonoscopy^b				Any Screening Test^c
Characteristics	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 used^d
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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Current as of December 2010

Internet Citation: Table 4.13. Screening Rate Multivariate Logistic Regression, Intervention Practices Only: Full Model: Health Care Systems for Tracking Colorectal Cancer Screening Tests. December 2010. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/final-reports/crcscreeningrpt/crcscreentab4-13.html