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Table 2 Sensitivity, specificity and Cohen’s Kappa estimate of smoking status prenatal or during offspring’s childhood

From: Agreement of offspring-reported parental smoking status: the RHINESSA generation study

Parents’ smoking status during offspring’s childhood 0–10 years (offspring n = 7185, parents n = 5307)
  95% CI
 Sensitivity 0.82 [0.81;0.84]
 Specificity 0.95 [0.95;0.96]
 Cohen’s Kappa 0.79 [0.78;0.80]
Mothers’ smoking status during pregnancy (offspring n = 807, mother n = 679)
  95% CI
 Sensitivity 0.66 [0.60;0.71]
 Specificity 0.92 [0.90;0.95]
 Cohen’s Kappa 0.61 [0.55;0.67]
  1. CI confidence interval