Table 2.

Multivariate-adjusted percentages of respondents ages 50 to 75 years who reported CRC tests within recommended time intervals, by sociodemographic and health care access variables, National Health Interview Survey (NHIS), 2010

Home FOBT within past yearSigmoidoscopy within past 5 y with FOBT within past 3 yColonoscopy within past 10 yAny CRC test within recommended time interval
Characteristic%a(95% CI)Pb%a(95% CI)Pb%a(95% CI)Pb%a(95% CI)Pb
Gender0.790.200.800.82
 Male8.9(8.0–10.0)1.5(1.1–2.0)54.5(52.6–56.4)58.3(56.5–60.1)
 Female8.7(7.8–9.7)1.1(0.8–1.5)54.8(53.2–56.5)58.6(56.9–60.2)
Race0.840.58<0.0001<0.0001
 White8.9(8.1–9.7)1.3(1.0–1.6)55.0(53.6–56.4)58.9(57.5–60.3)
 Black8.6(6.8–10.7)1.6(1.1–2.6)57.5(54.6–60.4)60.6(57.6–63.5)
 Asian7.5(5.0–10.9)1.3(0.5–3.1)41.3(36.5–46.2)44.3(39.2–49.4)
 American Indian/Alaska nativec8.8(4.1–17.9)48.8(35.7–62.1)51.7(38.6–64.5)
Hispanic or Latino0.120.320.460.20
 No8.9(8.2–9.7)1.3(1.1–1.7)54.8(53.4–56.2)58.7(57.3–60.0)
 Yes7.1(5.4–9.3)0.8(0.3–2.1)53.4(49.9–57.0)56.4(52.9–59.8)
Age, y0.060.13<0.0001<0.0001
 50–597.6(6.4–8.9)0.9(0.6–1.4)48.0(45.8–50.2)52.0(49.9–54.1)
 60–699.9(8.8–11.1)1.5(1.1–2.1)60.3(58.4–62.2)64.0(62.1–65.9)
 70–7510.0(7.9–12.5)2.0(1.0–3.8)62.9(59.0–66.6)66.2(62.3–69.8)
Education<0.00010.023<0.0001<0.0001
 <12 y6.1(4.7–7.8)1.1(0.7–1.7)47.6(44.4–50.9)50.8(47.5–54.2)
 High school graduate6.8(5.8–8.1)0.8(0.5–1.5)51.9(49.5–54.3)54.7(52.3–57.0)
 Some college10.5(9.1–12.0)1.1(0.7–1.6)56.6(54.4–58.7)61.0(58.8–63.1)
 College graduate10.3(9.0–11.8)1.9(1.5–2.6)58.7(56.3–61.1)63.1(60.8–65.3)
Annual family income0.450.69<0.0001<0.0001
 <$35,0009.7(8.3–11.2)1.1(0.7–1.7)49.1(46.8–51.4)54.1(51.8–56.4)
 $35,000–49,9997.9(6.3–9.9)1.1(0.6–2.0)52.7(49.6–55.9)56.0(52.9–59.0)
 $50,000–74,9998.4(6.9–10.2)1.3(0.8–2.2)55.4(52.6–58.2)58.0(55.2–60.8)
 $75,000–99,9999.6(7.6–12.0)1.9(1.1–3.4)56.2(52.6–59.7)61.0(57.5–64.5)
 ≥$100,0008.3(6.9–9.9)1.3(0.7–2.2)61.6(58.6–64.5)64.5(61.5–67.4)
Health care insurance0.00010.43<0.0001<0.0001
 Private (50–64)8.3(7.2–9.4)1.3(0.9–1.8)56.9(54.9–58.8)60.3(58.4–62.2)
 Private (65–75)9.8(7.8–12.2)1.3(0.7–2.1)60.8(57.1–64.3)64.7(61.0–68.1)
 Medicare without private (65–75)9.4(7.3–12.0)1.6(0.9–2.9)54.0(49.9–57.9)58.1(54.1–61.9)
 Military without private (50–64)17.5(12.4–24.2)2.3(1.1–4.8)64.0(57.5–70.0)74.5(68.3–79.9)
 Only government/public (other than above)9.6(7.2–12.8)1.0(0.4–2.3)50.4(45.7–55.1)54.2(49.5–58.8)
 None/single service4.3(2.7–6.7)0.4(0.0–2.9)31.4(27.4–35.6)34.4(30.3–38.7)
Usual source of health care0.00010.31<0.0001<0.0001
 No3.1(1.8–5.3)0.5(0.1–3.4)29.7(25.2–34.6)32.4(27.7–37.3)
 Yes9.2(8.5–10.0)1.3(1.1–1.7)56.7(55.3–58.0)60.6(59.2–61.8)
  • aAdjusted percentages presented as predictive margins from multivariate logistic regression models

    (adjusted for all other characteristics in Table 2).

  • bP values are based on an overall Wald F test for association from multivariate logistic regression models.

  • cAmerican Indians/Alaska natives could not be included in the sigmoidoscopy model due to insufficient numbers.