Skip to main content

Table 5 Minimally importance difference of Child-OIDP extent based on distribution approach (N = 840)

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

 

n

Median

Effect size

[95% Conf. Interval]

P value

Self-rated oral health

 Bad

146

2.0

0.55

0.37

0.73

< 0.001

 Good

693

1.0

Self-rated general health

 Bad

49

1.0

0.68

0.39

0.97

< 0.001

 Good

791

1.0

Bothered by oral health problem

 No

287

0.0

0.52

0.66

0.37

0.019

 Yes

553

1.0

  1. SEM = SDoidp * \(\sqrt[2]{1 - r}\)
  2. SDoidp = 1.58, Standardised alpha(r) = 0.77
  3. SEM = 1.58 * \(\sqrt[2]{1 - 0.77} = 0.75\)