Table 2 Binary logistic regression model predicting participation (vs. no participation) to the questionnaire of the EPACS study, n = 3832

Marital status

Married (Ref.^c)

1,934

-

-

Widowed

1,448

1.1

0.9 - 1.3

Divorced

157

0.8

0.5 - 1.1

Unmarried

293

0.7

0.6 - 1.0

Age (in years)

≥ 90 (Ref.)

455

-

-

80 - 89

1,412

0.7

0.6 - 0.9

70 - 79

1,009

0.6

0.5 - 0.8

60 - 69

522

0.8

0.6 - 1.0

50 - 59

253

0.7

0.5 - 1.0

40 - 49

111

0.8

0.5 - 1.2

< 40

70

0.4

0.2 - 0.8

Sex

Male (Ref.)

1,944

-

-

Female

1,888

1.4

1.2 - 1.6

Nationality

German (Ref.)

3,771

-

-

Other

61

0.6

0.3 - 1.0