Survey Items

Minimum

Maximum

Mean

±

SD

PSQI: Pittsburgh Sleep Quality Index (points)

0.00

16.00

6.17

±

3.57

PSQI ≥ 6 vs. <6

80 vs. 81

PCS: Physical Component Summary (points)

17.83

61.76

46.56

±

8.65

PCS ≥ 50 vs. <50

71 vs. 90

MCS: Mental Component Summary (points)

31.89

66.66

52.63

±

6.07

MCS ≥ 50 vs. <50

117 vs. 44

Age (years)*

57.00

90.00

76.16

±

7.75

n

%

55-64

15

9.3

65-74

53

32.9

75-84

65

40.4

85-90

28

17.4

Gender

Male

74

46.0

Female

87

54.0

Job Type (n = 49)

Office worker

1

2.0

Agriculture

12

24.5

Fishery

16

32.7

Self-employed business

1

2.0

Public employees

2

4.1

Others

17

34.7