Table 8 Logistic Regression Results Predicting Study Dropout via Baseline Health and Demographic Variables Excluding Participants Who Died during Follow up (N = 3967)

Chronic conditions

0.90

[0.86; 0.94]

0.83

−4.69

< .001

Physical functioning

0.99

[0.99; 1.00]

0.87

−3.31

< .001

Depression

0.99

[0.98; 1.01]

0.97

−0.81

.416

Cognitive functioning

1.00

[0.99; 1.00]

0.96

−1.00

.319

Age

1.01

[1.00; 1.02]

1.15

3.35

< .001

Sex (female)

0.84

[0.73; 0.97]

0.84

−2.43

.015

Educational level

–

–

–

–

–

 Low (Ref.)

1.00

–

–

–

–

 Intermediate

0.67

[0.53; 0.85]

0.67

−3.31

< .001

 Upper-intermediate

0.40

[0.30; 0.54]

0.40

−6.06

< .001

 High

0.37

[0.28; 0.49]

0.37

−7.03

< .001

Income

0.76

[0.67; 0.86]

0.79

−4.51

< .001

Partnership status

0.88

[0.74; 1.04]

0.88

−1.53

.127

Network size

0.90

[0.88; 0.92]

0.74

−8.43

< .001