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Table 1 Sample Characteristics for the Total Sample (n = 1481) and Different Subgroups

From: Baseline participation in a health examination survey of the population 65 years and older: who is missed and why?

 

Total sample

     
 

Total

Ineligible

Eligible

   
   

Total

Participants

Non-participants

   
     

Total

NP+

NP-

NR

 

n = 1481

n = 173

n = 1,308

n = 299

n = 1009

n = 384

n = 324

n = 301

Women - %

(95 %-CI)

49.4

(46.8, 51.9)

44.5

(37.3, 52.0)

50.0

(47.3, 52.7)

45.8

(40.3, 51.5)

51.2

(48.2, 54.3)

54.7

(49.7, 59.6)

51.9

(46.4, 57.2)

46.2

(40.6, 51.8)

Age in years –

M (SD)

77.2 (7.6)

80.0 (8.8)

76.8 (7.4)

75.0 (6.6)

77.4 (7.5)

78.1 (7.3)

77.7 (7.6)

76.0 (7.5)

Age groups - % (95 %-CI)

        

 65–74 years

41.9

(39.4, 44.4)

30.1

(23.7, 37.3)

43.4

(40.8, 46.1)

53.8

(48.2, 59.4)

40.3

(37.4, 43.4)

33.6

(29.1, 38.5)

39.5

(34.3, 44.9)

49.8

(44.2, 55.4)

 75–84 years

40.6

(38.1, 43.1)

39.3

(32.3, 46.7)

40.7

(38.1, 43.4)

35.8

(30.6, 41.4)

42.2

(39.2, 45.3)

48.4

(43.5, 53.4)

40.7

(35.5, 46.2)

35.9

(30.7, 41.4)

 ≥ 85 years

17.6

(15.7, 19.6)

30.6

(24.2, 37.9)

15.8

(13.9, 17.9)

10.4

(7.4, 14.3)

17.4

(15.2, 19.9)

18.0

(14.5, 22.1)

19.8

(15.8, 24.4)

14.3

(10.8, 18.7)

Non-German citizenship - % (95 %-CI)

11.5

(10.0, 13.3)

38.7

(31.8, 46.2)

8.0

(6.6, 9.5)

2.7

(1.4, 5.2)

9.5

(7.9, 11.5)

3.4

(2.0, 5.7)

7.4

(5.0, 10.8)

19.6

(15.5, 24.5)

Residential care - % (95 %-CI)

4.1

(3.2, 5.3)

9.2

(5.8, 14.5)

3.4

(2.6, 4.6)

0.7

(0.2, 2.4)

4.3

(3.2, 5.7)

6.0

(4.0, 8.8)

4.0

(2.4, 6.7)

2.3

(1.1, 4.7)

Deprived neighborhood - %

(95 %-CI)

35.4

(33.0, 37.9)

43.4

(36.2, 50.8)

34.3

(31.8, 36.9)

28.1

(23.3, 33.4)

36.2

(33.3, 39.2)

35.7

(31.0, 40.6)

37.0

(32.0, 42.4)

35.9

(30.7, 41.4)

  1. Abbreviations: 95 %-CI = 95 % confidence interval; M = mean; NP + = non-participants with the short questionnaire, i.e., individuals who declined study participation but completed the short questionnaire; NP- = non-participants without the short questionnaire, i.e., individuals who declined study participation and completing the short questionnaire; NR = non-respondents, i.e., individuals who could not be reached during the recruitment period and who did not actively decline study participation; SD = standard deviation