TABLE 2

Rates of Positive Screening in the Current and Original Derivation Samples

Current Study Sample (N = 80 680)Gardner et al 1999 (N = 18 045)a
MeasurePSC-17PSC-17
SettingNational sample of US pediatric practicesNational networks of US and Canadian pediatric and family practice offices
Age range4–15 y4–15 y
PSC case rate, %
 Total PSC11.6 (9351/80 680)15
 Internalizing subscale10.4 (8356/80 680)10
 Attention subscale9.1 (7346/80 680)10
 Externalizing subscale10.2 (8229/80 680)17
Gender, %
 Male14.1 (5831/41 452)
 Female9.0 (3520/39 228)
  • —, indicates that information is not available for gender distribution.

  • a Data obtained from the 1994–1999 CBS.