Table 5.

Colorectal cancer screening in the BRFSS and NHIS (men and women age 50 and over): univariate and multivariate design-adjusted ORs and 95% confidence intervals for race/ethnicity, and percent change to the unadjusted ORs a,b

 2004 BRFSS (N = 146,794)2006 BRFSS (N = 195,318)2008 BRFSS (N = 251,623)
Crude %Univariate OR (95% CI)Predicted %Adjusted OR (95% CI)Crude %Univariate OR (95% CI)Predicted %Adjusted OR (95% CI)Crude %Univariate OR (95% CI)Predicted %Adjusted OR (95% CI)
Non-Hispanic white57.8 ± 0.3(Ref)56.2 ± 0.3(Ref)61.9 ± 0.2(Ref)60.3 ± 0.2(Ref)64.3 ± 0.2(Ref)62.5 ± 0.2(Ref)
Non-Hispanic black53.4 ± 1.00.84 (0.77–0.90)59.1 ± 1.01.14RA1 (1.04–1.25)57.2 ± 0.90.82 (0.77–0.89)62.4 ± 0.81.10RA1 (1.01–1.19)60.2 ± 0.80.84 (0.79–0.89)65.1 ± 0.71.13RA1 (1.05–1.22)
Hispanic42.1 ± 1.50.53 (0.47–0.60)52.5 ± 1.50.85LPC (0.74–0.97)44.7 ± 1.40.50 (0.45–0.56)54.8 ± 1.30.78LPC (0.69–0.87)45.6 ± 1.10.46 (0.43–0.51)57.3 ± 1.00.78LPC (0.71–0.86)
All Other47.4 ± 1.70.66 (0.58–0.75)50.5 ± 1.50.78 (0.68–0.89)54.2 ± 1.40.73 (0.65–0.82)55.8 ± 1.30.81 (0.72–0.91)53.0 ± 1.10.63 (0.57–0.68)55.5 ± 1.00.72 (0.66–0.79)
 % Change in OR (univariate to multivariate)% Change in OR (univariate to multivariate)% Change in OR (univariate to multivariate)
Non-Hispanic black35.7%Non-Hispanic black34.1%Non-Hispanic black34.5%
Hispanic60.4%Hispanic56.0%Hispanic69.6%
All Other18.2%All Other11.0%All Other14.3%
 2003 NHIS (N = 21,115)2005 NHIS (N = 13,480)2008 NHIS (N = 9,722)
Crude %Univariate OR (95% CI)Predicted %Adjusted OR (95% CI)Crude %Univariate OR (95% CI)Predicted %Adjusted OR (95% CI)Crude %Univariate OR (95% CI)Predicted %Adjusted OR (95% CI)
Non-Hispanic white45.5 ± 0.7(Ref)44.5 ± 0.7(Ref)49.6 ± 0.7(Ref)48.3 ± 0.7(Ref)56.8 ± 0.8(Ref)55.4 ± 0.8(Ref)
Non-Hispanic black36.2 ± 1.50.68 (0.59–0.78)42.8 ± 1.60.93 (0.80–1.07)39.3 ± 1.40.66 (0.58–0.75)45.2 ± 1.50.87 (0.76–1.01)48.9 ± 1.80.73 (0.63–0.84)54.2 ± 1.70.95 (0.80–1.12)
Hispanic28.5 ± 1.60.48 (0.40–0.56)37.3 ± 1.90.72LPC (0.60–0.87)30.0 ± 1.70.44 (0.37–0.52)39.6 ± 2.00.68LPC (0.56–0.82)36.2 ± 1.70.43 (0.37–0.51)45.5 ± 2.00.64 (0.53–0.78)
All Other24.1 ± 2.70.38 (0.28–0.51)25.6 ± 2.80.41 (0.30–0.56)32.1 ± 3.30.48 (0.35–0.65)34.3 ± 3.30.53 (0.39–0.73)46.5 ± 2.80.66 (0.53–0.83)46.4 ± 2.80.67 (0.53–0.86)
 % Change in OR (univariate to multivariate)% Change in OR (univariate to multivariate)% Change in OR (univariate to multivariate)
Non-Hispanic black36.8%Non-Hispanic black31.8%Non-Hispanic black30.1%
Hispanic50.0%Hispanic54.5%Hispanic48.8%
All Other7.9%All Other10.4%All Other1.5%

RA1: Unadjusted OR statistically significantly lower than whites; adjusted OR statistically significant, higher estimated screening rate compared to whites.

RA2: Unadjusted OR not significantly different from whites; adjusted OR statistically significant, higher estimated screening rate compared to whites.

LPC: The multivariable, fully-adjusted change from the unadjusted OR is 50% or more.

  • aSuperscripts to adjusted ORs indicate presence of reversed associations (RA1, RA2) and/or large percent changes (LPC) to the unadjusted ORs.

  • bAnalysis sample sizes are shown in the box with each survey year. Analyses incorporated adjustments for sampling.