TABLE 4

Agreement Between Physical Examination (Gold Standard) and Parental or Participants’ Self-Assessments

FemaleMale
Puberty OnsetaPubic HairBreastPuberty OnsetbPubic HairGenitals
Parental assessment
 κ0.70c0.41c0.28c0.30c0.28c
 Kendall’s τ-b0.71c0.46c0.32c0.37c0.29c
 Sensitivity0.830.610.860.330.71
 Specificity0.940.900.610.950.59
Participant’s self-assessment
 κ0.69c0.55c0.28c0.46c0.46c0.33c
 Kendall’s τ-b0.71c0.80c0.74c0.46c0.70c0.61c
 Sensitivity0.900.910.880.840.860.84
 Specificity0.930.910.920.610.740.58
  • a Onset of puberty defined as breast stage ≥2 or pubic hair stage ≥2 for girls.

  • b Onset of puberty defined as genital stage ≥2 or pubic hair stage ≥2 for boys.

  • c P < .001.