Table 4 Multinomial logistic regression analysis with frailty status as the dependent variable

 Visit friends, no

1.13

1.00, 1.28

.05

1.43

1.11, 1.84

.01

1.35

1.14, 1.60

<.001

1.40

1.11, 1.78

.01

 Shopping, no

.88

0.67, 1.15

.35

1.07

.64, 1.81

.79

1.87

1.23, 2.85

<.001

2.38

1.44, 3.92

<.001

 Exercise circle, no

1.70

1.52, 1.90

<.001

2.67

1.93, 3.69

<.001

1.99

1.74, 2.27

<.001

2.98

2.35, 3.79

<.001

 Cooperate in regional events, no

1.12

1.01, 1.25

.04

1.42

1.08, 1.85

.01

1.31

1.15, 1.49

<.001

1.37

1.11, 1.68

<.001

 Advice, no

1.13

0.94, 1.37

.19

1.89

1.37, 2.61

<.001

1.43

1.14, 1.79

<.001

1.54

1.15, 2.06

<.001

 Voluntary activities, no

1.11

1.00, 1.24

.06

1.26

.96, 1.64

.10

1.27

1.12, 1.45

<.001

1.34

1.09, 1.66

.01

 Board member or secretary, no

1.08

0.97, 1.21

.17

1.33

1.00, 1.76

.05

1.30

1.14, 1.49

<.001

1.34

1.08, 1.68

.01

 Both inactive, yes

1.44

1.23, 1.70

<.001

2.12

1.49, 3.00

<.001

1.89

1.49, 2.38

<.001

2.21

1.62, 3.01

<.001

 Social engagement only active, yes

.99

0.73, 1.35

.95

1.63

.85, 3.11

.14

1.96

1.20, 3.18

.01

2.35

1.23, 4.49

.01

 Social participation only active, yes

1.07

0.96, 1.20

.22

1.43

1.08, 1.90

.01

1.28

1.12, 1.47

<.001

1.32

1.06, 1.64

.01

 Both active, yes

1.00

1.00

1.00

1.00