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Comparison of 2000 and 2005 trends in PSA test use among men ≥40 years of age: NHIS 2000 and 2005
aP-value compares receipt of PSA test within subgroups in 2000 and 2005 from weighted logistic regression; test of interaction between characteristic and time.
PSA = prostate-specific antigen
NHIS = National Health Interview Survey
CI = confidence interval
kg/m2 = kilograms/meter squared
