Table 3 Odds Ratio for covariates predicting transitions among profiles

Age

Normal function

ref

1.09^**

1.14^**

1.13^**

Mildly impaired

0.98

ref

1.08^**

1.11^**

Moderately impaired

0.90^**

0.93^**

ref

1.03

Highly impaired

0.93

0.99

0.99

ref

Cognitive activity

Normal function

ref

0.93^**

0.95

0.95

Mildly impaired

1.01

ref

0.97

1.12

Moderately impaired

1.08

1.06

ref

0.96

Highly impaired

0.95

0.75

0.76^*

ref

Physical activity

Normal function

ref

1.00

1.03

0.95^**

Mildly impaired

1.06

ref

0.99

0.96

Moderately impaired

1.11

0.97

ref

0.92^*

Highly impaired

1.57^**

1.35^*

1.28^*

ref

Social activity

Normal function

ref

0.85^*

0.85

0.94

Mildly impaired

0.96

ref

0.86

0.79

Moderately impaired

1.45

1.50

ref

1.31

Highly impaired

< 0.01^a

2.20

1.39

ref

Place of residence(ref = rural)

Normal function

ref

0.55

0.84

0.86

Mildly impaired

0.84

ref

1.06

2.34

Moderately impaired

2.27

0.95

ref

2.07

Highly impaired

0.97

3.86

1.32

ref

Gender(ref = female)

Normal function

ref

0.66^**

0.64^*

0.65^*

Mildly impaired

0.96

ref

0.70

0.76

Moderately impaired

1.21

0.74

ref

0.89

Highly impaired

3.67

2.78

1.98

ref

Residential status(ref = live alone or in a nursing institution)

Normal function

ref

0.83

0.84

1.56

Mildly impaired

1.07

ref

1.39

1.71

Moderately impaired

0.61

0.53

ref

0.88

Highly impaired

0.36

0.55

0.39

ref

Smoking habits(ref = no)

Normal function

ref

0.90

0.79

0.86

Mildly impaired

1.05

ref

0.75

0.48

Moderately impaired

1.29

2.44

ref

1.30

Highly impaired

0.57

< 0.01^a

5.94

ref

Drinking habits(ref = no)

Normal function

ref

1.33

0.91

0.96

Mildly impaired

1.61

ref

1.24

1.11

Moderately impaired

1.44

0.50

ref

0.41

Highly impaired

1.50

< 0.01^a

< 0.01^a

ref

Chronic disease(ref = yes)

Normal function

ref

1.01

0.75

0.62^*

Mildly impaired

0.50

ref

0.70

0.70

Moderately impaired

1.07

1.54

ref

0.75

Highly impaired

0.50

3.12

1.16

ref