Table 2.

U.S. prevalence of total number of colorectal cancer risk factors overall, and by sex, race/ethnicity, and age, NHANES 2007 to 2008a

Total number of colorectal cancer risk factors, % (SE)
01234+P
Overall18.76 (1.74)34.17 (1.20)30.03 (1.35)13.76 (1.30)3.28 (0.36)
Sex
 Male17.33 (2.21)31.15 (1.46)32.23 (1.79)15.06 (1.61)4.22 (0.78)0.07
 Female20.07 (1.83)36.96 (2.09)28.00 (1.84)12.57 (1.28)2.41 (0.55)
Race/ethnicity
 NHW19.73 (2.38)34.64 (1.50)29.13 (1.83)13.50 (1.57)3.01 (0.54)0.03
 NHB12.77 (1.92)29.55 (1.63)34.39 (2.18)17.34 (2.06)5.95 (0.79)
 MA18.90 (1.53)36.50 (1.74)31.49 (1.63)11.22 (1.19)1.90 (0.92)
Age (y)
 20–3418.51 (2.48)36.72 (2.15)28.53 (1.56)12.95 (1.46)3.29 (0.90)≤0.01
 34–4918.97 (2.57)33.20 (1.98)30.82 (2.07)13.10 (2.09)3.91 (0.71)
 50–6918.75 (2.65)32.98 (1.91)30.51 (2.58)15.10 (1.11)2.66 (0.50)
  • aWeighted. Differences between groups evaluated using the χ2 test.