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Table 2 Descriptive summary results of oral health-related quality of life (OHIP-14) dimensions of special need school students in Amhara regional state, Ethiopia, 2021 (n = 443)

From: Oral health-related quality of life and oral hygiene status among special need school students in amhara region, Ethiopia

OHIP dimensions

Number of items

Mean (SD)

Median (IQR)

Skewness

Reliability

Functional limitation

2

1.45 (0.70)

1 (1)

0.91

0.15

Physical pain

2

1.40 (0.64)

1 (1)

1.61

0.72

Psychological discomfort

2

1.44 (0.65)

1 (1)

0.87

0.14

Physical disability

2

1.18 (0.48)

1 (0)

2.68

0.78

Psychological disability

2

1.08 (0.45)

1 (0)

1.87

0.75

Social disability

2

1.22 (0.51)

1 (0.5)

2.35

0.51

Handicap

2

1.21 (0.51)

1 (0.5)

2.08

0.69

Physical domain

6

1.34 (0.46)

1.17 (0.5)

1.66

0.66

Psychological domain

4

1.26 (0.45)

1 (0.5)

1.28

0.49

Social Domain

4

1.28 (0.48)

1 (0.25)

2.26

0.80

OHIP-14*

14

17.97 (5.31)

16 (6)

2.04

0.81

  1. *Un-standardized score, IQR = interquartile range, OHIP = oral health-related quality of life, SD = standard deviation