Table 3

Comparison of self-reporta of having had a Pap smear within the previous 3 years with information obtained from medical records among a sample of women enrolled in KPC

NSensitivity (%)Specificity (%)PPV (%)NPV (%)Overall agreement (%)κ
Total445b99.144.986.493.687.20.54
Age group (yrs)
 40–4915499.250.090.792.990.90.60
 50–6415198.450.090.486.790.10.58
 65–7414010039.177.110080.00.46
Race
 White40599.446.786.795.587.70.56
 Nonwhite4096.925.083.866.782.50.29
Origin
 Hispanic3610022.279.410080.60.30
 Nonhispanic40799.147.287.093.387.70.56
Education
 <High school3310028.665.510069.70.32
 ≥High school41199.147.688.093.088.60.57
Employment status
 Employed24799.050.091.690.591.50.60
 Retired12210035.380.010082.00.44
 Unemployed for other reasons7698.050.079.092.981.60.54
Marital status
 Spouse present31399.244.186.593.887.20.54
 No spouse13099.046.786.193.386.90.55
  • a Using an abbreviated version of the 1993 BRFSS.

  • b From the original sample of 480 women, a total of 35 were excluded from this table because it was impossible to determine from their self-report (26) or their medical record (9) whether or not they had a pap smear at KPC within the past 3 years.