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Table 3 Descriptive statistics for the eight scales

From: Thai SF-36 health survey: tests of data quality, scaling assumptions, reliability and validity in healthy men and women

Scale

Range

Median

Mean

SD

Skewness

%Floor

%Ceiling

PF

0 – 100

80

77.3

17.4

-1.04

0.3

8.7

RP

0 – 100

100

82.2

28.6

-1.54

4.5

64.9

BP

10 – 100

77.5

75.6

18.4

-0.46

0

20.6

GH

0 – 100

65

65.1

18.1

-0.56

0.2

0.6

VT

0 – 100

60

62.2

13.3

-0.30

0.1

0.3

SF

0 – 100

75

78.2

18.2

-0.58

0.1

26.0

RE

0 – 100

100

80.4

31.9

-1.41

7.4

67.4

MH

8 – 100

68

66.1

12.9

-0.48

0

0.4