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Age (year) (Min: 65.0; Max: 80.0)

70.67±4.24

70.61±4.36

70.73±4.16

t=-0.137

p=0.891

Gender

 M²¹±ô±ð

46

48.9

20

40.8

26

57.8

χ2=2.701

 F±ð³¾²¹±ô±ð

48

51.1

29

59.2

19

42.2

p=0.100

Marital status

 M²¹°ù°ù¾±±ð»å

76

80.9

40

81.6

36

80.0

χ2=0.040

 W¾±»å´Ç·É±ð»å

18

19.1

9

18.4

9

20.0

p=0.841

Education level

 I±ô±ô¾±³Ù±ð°ù²¹³Ù±ð

10

10.6

6

12.

4

8.9

χ2=3.469

 Primary school

40

42.6

21

42.9

19

42.2

p=0.483

‽ö¾±²µ³ó school

25

26.6

10

20.4

15

33.3

 U²Ô¾±±¹±ð°ù²õ¾±³Ù²â

19

20.2

12

24.5

7

15.6

Employment

 Unemployed- Retired

80

85.1

39

79.6

41

91.1

χ2=2.456

 E³¾±è±ô´Ç²â±ð»å

14

14.9

10

20.4

4

8.9

p=0.117

Smoking status

 Current Smoker

18

19.2

11

22.4

7

15.6

χ2=1.678

 E³æ-²õ³¾´Ç°ì±ð°ù

11

11.7

4

8.2

7

15.6

p=0.432

 Never smoked

65

69.1

34

69.4

31

68.9

Alcohol status

 Y±ð²õ

4

4.3

2

4.1

2

4.4

χ2=0.008

 N´Ç

90

95.7

47

95.9

43

95.6

p=0.931

Hospitalization

 Y±ð²õ

13

13.8

7

14.3

6

13.3

χ2=0.018

 N´Ç

81

86.2

42

85.7

39

86.7

p=0.894

Chronic Disease

 Y±ð²õ

74

78.7

39

79.6

35

77.8

χ2=0.046

 N´Ç

20

21.3

10

20.4

10

22.2

p=0.830

Number of medications taken daily

 1-3

67

71.3

34

69.4

33

73.3

χ2=1.888

 4-6

25

26.6

13

26.5

12

26.7

p=0.389

 &²µ³Ù;6

2

2.1

2

4.1

0

0

Overall life satisfaction

 L´Ç·É

2

2.1

1

2.0

1

2.2

χ2=2.647

 M±ð»å¾±³Ü³¾

62

66.0

36

73.5

26

57.8

p=0.266

‽ö¾±²µ³ó

30

31.9

12

24.5

18

40.0

Average daily smartphone usage time

 under 3 hours

62

66.0

39

79.6

23

51.1

χ2=8.474

 Between 3-7 hours

32

34.0

10

20.4

22

48.9

p=0.004

Reason for smartphone use

 C´Ç³¾³¾³Ü²Ô¾±³¦²¹³Ù¾±´Ç²Ô

93

98.9

48

98.0

45

100

 N±ð·É²õ

29

30.9

12

24.5

17

37.8

 social media

42

44.7

16

32.7

26

57.8

 M±ð²õ²õ²¹²µ¾±²Ô²µ

12

12.8

5

10.2

7

15.6

 G²¹³¾±ð

12

12.8

5

10.2

7

15.6