Table 1. Unadjusted Associations Between Prostate-Specific Antigen Screening and Sociodemographic and Screening-Related Factors Among Men Aged 70 Years or Older, National Health Interview Survey 2010
N*Percentage95% Confidence IntervalP
Age, years.02
    Non-Hispanic white72747.042.9–51.1Reference
    Non-Hispanic black14432.724.4–42.3.004
    Non-Hispanic other6627.416.7–41.4.011
    Less than high school30632.125.5–39.4Reference
    High school graduate30840.134.2–46.3.096
    Some college20247.339.7–54.9.003
    College graduate22359.051.0–66.6<.001
Marital status<0.001
    Married or living with partner58949.344.8–53.8Reference
    Widowed, divorced, or separated40030.225.2–35.7<.001
    Never married5539.827.1–54.2.206
Usual source of medical care<.001
Family history of prostate cancer.092
    1 disease33647.041.1–52.9.045
    2 diseases27842.435.6–49.4.385
    ≥3 diseases20248.540.4–56.6.049
Had any cancers excluding prostate cancer?.018
Discussed scientific uncertainties<.001
Discussed advantages/disadvantages<.001
    Advantages only19760.051.7–67.8<.001
    Disadvantages only
  • * Number may differ from totals because of “don't know,” refused, or missing responses.

  • Percentage of population estimates adjusted for National Health Interview Survey sampling design.

  • χ2 Test when the P value is located on a row of a main effect. P values for a general linear contrast comparing a row's percentage to its reference level are located on the level (category) within the main effect.

  • § Percentages should be interpreted with caution because the relative standard error is >30%.

  • Count and unadjusted percentage are not shown because there are <30.