Table 3 Prevalence of high IC among older adults by background characteristics

Age (in years)

< 0.001

< 0.001

< 0.001

 60–69

29.24

34.34

24.6

 70–79

18.30

21.99

14.7

 80 + 

11.97

15.27

8.35

Sex

< 0.001

 Male

28.90

 Female

20.46

Marital status

< 0.001

< 0.001

< 0.001

 Currently in union

28.41

31.01

24.15

 Widowed

17.63

18.94

17.25

 Others

20.22

23.35

16.26

Educational status

< 0.001

< 0.001

< 0.001

 None

12.00

12.82

11.6

 Primary

25.19

24.29

26.62

 Secondary

45.54

41.29

54.48

 Higher

58.13

57.12

61.86

Work status

< 0.001

< 0.001

< 0.001

 Never worked

25.54

19.15

25.99

 Not working

17.43

21.14

13.12

 Working

25.80

30.09

16.7

 Retired

47.98

48.71

42.9

Smoke tobacco

< 0.001

< 0.001

< 0.001

 No

25.31

31.23

21.13

 Yes

20.44

22.85

4.2

Chew tobacco

< 0.001

< 0.001

< 0.001

 No

25.80

30.11

22.44

 Yes

20.85

26.36

11.57

Episodic alcohol drinking

0.008

< 0.001

< 0.001

 No

24.91

29.89

20.65

 Yes

18.35

20.01

4.1

Moderate physical activity

< 0.001

< 0.001

< 0.001

 No

22.92

26.99

19.33

 Yes

38.75

41.54

34.2

Vigorous physical activity

< 0.001

< 0.001

0.007

 No

23.08

27.09

20.27

 Yes

27.47

31.23

21.07

Yoga-related activity

< 0.001

< 0.001

< 0.001

 No

22.55

26.43

19.12

 Yes

35.98

40.43

29.94

MPCE quintile

< 0.001

< 0.001

< 0.001

 Poorest

16.28

22.11

11.15

 Poorer

20.79

25.3

16.59

 Middle

25.50

30.66

20.4

 Richer

28.47

30.91

26.15

 Richest

34.45

37.28

31.69

Caste

< 0.001

< 0.001

< 0.001

 SC/ST

15.48

18.89

12.27

 OBC

26.26

29.65

23.09

 Others

30.43

37.2

23.93

Religion

0.033

0.007

 < 0.001

 Hindu

24.82

29.17

20.76

 Muslim

21.59

28.12

14.96

 Others

26.19

26.74

25.68

Place of residence

< 0.001

< 0.001

< 0.001

 Urban

40.68

44.83

37.31

 Rural

18.10

23.2

12.99

Region

< 0.001

< 0.001

< 0.001

 North

24.55

31.16

18.46

 Central

15.62

19.21

11.66

 East

20.06

26.28

13.61

 Northeast

26.95

33.41

20.6

 South

31.61

32.78

30.69

 West

33.47

40.56

27.46

Total

24.56