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Table 5 Inter-rater and test-re test reliability of the OX-NDA

From: Construction and validation of the Oxford Neurodevelopment Assessment (OX-NDA) in 1-year-old Brazilian children

OX-NDA domain

Kappa

95% CIs

Inter-rater reliability

 Cognition

0.87

0.84-0.90

 Motor

0.96

0.95-0.97

 Language

0.84

0.80-0.88

 Positive Behaviour

0.82

0.79-0.86

 Negative Behaviour

0.80

0.78-0.85

Test-re test reliability

 Cognition

0.94

0.93-0.95

 Motor

0.92

0.89-0.94

 Language

0.89

0.85-0.93

 Positive Behaviour

0.86

0.83-0.90

 Negative Behaviour

0.85

0.80-0.87

  1. OX-NDA The Oxford Neurodevelopment Assessment; CI: Confidence intervals