Table 6.

Covariates contributing to changes from univariate to multivariable adjusted ORs for colorectal cancer screening, for Hispanic and non-Hispanic black men and women in the BRFSS and NHIS (limited to adults age 50 and over) a,b

2004 BRFSS2006 BRFSS2008 BRFSS
CovariateOR (95% CI)% ChangeCovariateOR (95% CI)% ChangeCovariateOR (95% CI)% Change
Non-Hispanic black0.84 (0.77–0.90)Non-Hispanic black0.82 (0.77–0.89)Non-Hispanic black0.84 (0.79–0.89)
 Insurance0.92 (0.84–0.997)9.5 Education0.91 (0.84–0.97)11.0 Income0.92 (0.87–0.99)9.5
 Education0.98 (0.90–1.07)6.5 Insurance0.98 (0.91–1.05)7.7 Age1.04 (0.97–1.11)13.0
 Age1.05 (0.96–1.14)7.1 Marital status1.02 (0.95–1.10)4.1 Marital status1.08 (1.01–1.16)3.8
 Marital status1.12 (1.03–1.22)6.7 Age1.09 (1.01–1.18)6.9 Education1.13 (1.06–1.21)4.6
 Income1.15 (1.05–1.25)2.7 Income1.12 (1.03–1.21)2.8 Insurance1.16 (1.08–1.25)2.7
 Usual source of care1.15 (1.05–1.25)0.0 Gender1.12 (1.03–1.21)0.0 Gender1.16 (1.08–1.25)0.0
 Gender1.15 (1.05–1.25)0.0 Region1.12 (1.03–1.21)0.0 Usual source of care1.16 (1.08–1.25)0.0
 Region1.14 (1.04–1.25)−0.9 Usual source of care1.10 (1.01–1.19)−1.8 Region1.13 (1.05–1.22)−2.6
Hispanic0.53 (0.47–0.60)Hispanic0.50 (0.45–0.56)Hispanic0.46 (0.43–0.51)
 Education0.62 (0.55–0.70)17.0 Education0.59 (0.53–0.66)18.0 Education0.56 (0.52–0.62)21.7
 Age0.72 (0.63–0.82)16.1 Insurance0.67 (0.60–0.75)13.6 Insurance0.65 (0.60–0.71)16.1
 Usual source of care0.80 (0.70–0.91)11.1 Age0.72 (0.64–0.80)7.5 Age0.70 (0.64–0.77)7.7
 Income0.84 (0.73–0.96)5.0 Usual source of care0.75 (0.67–0.84)4.2 Income0.74 (0.68–0.81)5.7
 Insurance0.86 (0.75–0.99)2.4 Income0.78 (0.70–0.88)4.0 Usual source of care0.78 (0.71–0.85)5.4
 Region0.87 (0.76–0.99)1.2 Region0.79 (0.70–0.88)1.3 Region0.79 (0.72–0.86)1.3
 Gender0.87 (0.76–0.99)0.0 Gender0.79 (0.70–0.88)0.0 Gender0.79 (0.72–0.86)0.0
 Marital status0.85 (0.74–0.97)−2.3 Marital status0.78 (0.69–0.87)−1.3 Marital status0.78 (0.71–0.86)−1.3
2003 NHIS2005 NHIS2008 NHIS
CovariateOR (95% CI)% ChangeCovariateOR (95% CI)% ChangeCovariateOR (95% CI)% Change
Non-Hispanic black0.68 (0.59–0.78)Non-Hispanic black0.66 (0.58–0.75)Non-Hispanic black0.73 (0.63–0.84)
 Education0.77 (0.67–0.89)13.2 Income0.72 (0.63–0.82)9.1 Education0.80 (0.69–0.93)9.6
 Age0.83 (0.71–0.96)7.8 Age0.79 (0.69–0.91)9.7 Age0.87 (0.74–1.01)8.7
 Marital status0.88 (0.75–1.02)6.0 Marital status0.82 (0.71–0.94)3.8 Marital status0.94 (0.80–1.10)8.0
 Income0.90 (0.78–1.05)2.3 Education0.87 (0.76–1.01)6.1 Income0.97 (0.83–1.13)3.2
 Region0.92 (0.80–1.07)2.2 Insurance0.88 (0.76–1.02)1.1 Insurance0.97 (0.83–1.14)0.0
 Insurance0.94 (0.81–1.09)2.2 Gender0.88 (0.76–1.02)0.0 Gender0.97 (0.83–1.14)0.0
 Gender0.94 (0.81–1.09)0.0 Region0.88 (0.76–1.01)0.0 Usual source of care0.95 (0.80–1.12)−2.1
 Usual source of care0.93 (0.80–1.07)−1.1 Usual source of care0.87 (0.76–1.01)−1.1 Region0.95 (0.80–1.12)0.0
Hispanic0.48 (0.40–0.56)Hispanic0.44 (0.37–0.52)Hispanic0.43 (0.37–0.51)
 Education0.59 (0.50–0.71)22.9 Insurance0.51 (0.43–0.61)15.9 Education0.52 (0.44–0.61)20.9
 Insurance0.66 (0.55–0.79)11.9 Education0.59 (0.50–0.70)15.7 Insurance0.59 (0.50–0.71)13.5
 Age0.70 (0.58–0.83)6.1 Age0.63 (0.53–0.76)6.8 Age0.62 (0.51–0.74)5.1
 Usual source of care0.71 (0.59–0.85)1.4 Income0.66 (0.55–0.79)4.8 Usual source of care0.63 (0.52–0.76)1.6
 Income0.72 (0.60–0.87)1.4 Usual source of care0.67 (0.55–0.80)1.5 Income0.64 (0.53–0.77)1.6
 Marital status0.73 (0.61–0.87)1.4 Region0.67 (0.56–0.81)0.0 Region0.65 (0.54–0.78)1.6
 Gender0.73 (0.61–0.87)0.0 Marital status0.68 (0.56–0.82)1.5 Gender0.65 (0.54–0.78)0.0
 Region0.72 (0.60–0.87)−1.4 Gender0.68 (0.56–0.82)0.0 Marital status0.64 (0.53–0.78)−1.5
  • aThe “OR” columns show the progression of the OR from the prior step, for the specific racial/ethnic group, as the next covariate was added to the model.

  • bThe “% Change” columns show the change to the OR from the prior step of analysis, for the specific racial/ethnic group, as the next covariate was added to the model.