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Table 1 Characteristics of the study population according to social isolation level

From: Social isolation, physical inactivity and inadequate diet among European middle-aged and older adults

 

Social Isolation

t/χ2

p-value

Cohen’s d/ phi

 

Low/intermediate

(N = 55,559)

High

(N = 11,614)

Age, mean (SD)

65.1 (10.3)

70.1 (11.9)

−48.78

< 0.001

0.50 (medium effect size)

Gender (%)

  

1457.93

< 0.001

−0.15 (small effect size)

 Female

50.3

67.6

   

 Male

49.7

32.4

   

Education (%)

  

1145.56

< 0.001

0.13 (small effect size)

 Primary or less

38.3

54.3

   

 Secondary

36.5

32.3

   

 Post-secondary

25.2

13.4

   

Income (%)

  

292.93

< 0.001

0.07

 Low

31.9

39.4

   

 Medium

33.1

28.9

   

 High

35.0

31.8

   

Physical health, mean (SD)

0.04 (0.7)

−0.22 (0.7)

38.94

< 0.001

0.40 (small effect size)

Depression (Euro-D) (%)

  

1251.69

< 0.001

0.14 (small effect size)*

 No

73.3

56.9

   

 Yes

26.7

43.1

   

Seen/talked to medical doctor in the last 12 months, mean (SD)

6.7 (9.2)

7.7 (9.8)

−9.90

< 0.001

−0.10

Excessive alcohol consumption (%)

  

29.55

< 0.001

−0.02

 No

95.8

96.8

   

 Yes

4.2

3.2

   

Ever smoked

  

107.06

< 0.001

−0.04

 No

53.0

56.6

   

 Yes

47.0

43.4

   

Physical inactivity (%)

  

922.52

< 0.001

0.12 (small effect size)

 No

82.8

70.0

   

 Yes

17.2

30.0

   

Not consume fruits or vegetables

every day (%)

  

228.47

< 0.001

0.06

 No

77.9

71.5

   

 Yes

22.1

28.5

   
  1. Source: SHARE, wave 6, release 7.0.0., N = 67,173
  2. Notes: SD: Standard Deviation; Tests for two-group comparison (i.e., T test for independent samples (t); chi-square tests (X2)); Tests for effect size: Cohen’s d: small effect (≥ 0.20); medium effect (≥ 0.50); large effect (≥ 0.80); Phi: small effect (≥ 0.10); medium effect (≥ 0.30);large effect (≥ 0.50)