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Table 4 Internal consistency reliability of the Child-OIDP index among adolescents (n = 840)

From: Validation and minimally important difference of the Child-OIDP in a socioeconomically diverse sample of Indian adolescents

Items

Corrected item-total correlation

Cronbach’s alpha if item deleted

Eating

0.50

0.71

Speaking

0.54

0.69

Cleaning

0.51

0.70

Relaxing

0.52

0.70

Feeling

0.49

0.71

Smiling

0.32

0.73

School work

0.49

0.70

Social contact

0.30

0.74

  1. Standardised item alpha = 0.77