Table 2 Association of Self-Reported Ability to Rise from Armless Straight Chair with Chair Rise Test

OR

95% CI

P

OR

95% CI

P

Chair rise*, sec

   Q1 (2.0-11.1)

1.00

1.00

   Q2 (11.2-13.6)

1.55

1.13-2.14

0.008

1.31

0.95-1.82

0.10

   Q3 (13.7-17.5)

2.67

1.98--3.60

< 0.0001

1.87

1.37-2.56

0.0002

   Q4 (17.6-100)

8.83

6.46-12.08

< 0.0001

4.43

3.17-6.20

< 0.0001

Age, y

60-64

1.00

65-69

1.19

0.80-1.78

0.39

70-74

1.62

1.15-2.30

0.006

75-79

1.96

1.39-2.75

0.0001

≥ 80

3.51

2.52-4.90

< 0.0001

Men

1.00

Women

0.87

0.59-1.27

0.46

Race-ethnicity

   Non-Hispanic White

1.00

   Non-Hispanic Black

0.70

0.53-0.92

0.01

   Mexican-American

1.16

0.83-1.62

0.39

   Other

1.16

0.68-1.98

0.59

Education, y

   ≥ 13

1.00

   9-12

1.01

0.75-1.34

0.96

   0-8

1.37

1.03-1.81

0.03

Arthritis

   No

1.00

   Yes

2.43

1.99-2.93

< 0.0001

Stroke

   No

1.00

   Yes

2.58

1.84-3.61

< 0.0001

Diabetes mellitus

   No

1.00

   Yes

1.13

0.87-1.47

0.37

Chronic bronchitis

   No

1.00

   Yes

1.07

0.74-1.54

0.73

Emphysema

   No

1.00

   Yes

1.07

0.66-1.72

0.79

Asthma

   No

1.00

   Yes

0.83

0.51-1.33

0.44

Myocardial infarction

   No

1.00

   Yes

1.27

0.96-1.68

0.10

Congestive heart failure

   No

1.00

   Yes

1.68

1.21-2.32

0.002

Cancer (excluding skin cancer)

   No

1.00

   Yes

1.36

1.01-1.84

0.04

Current smoking

   No

1.00

   Yes

1.22

0.90-1.65

0.20

Hemoglobin, g/dL

0.94

0.87-1.02

0.11

Serum albumin, g/dL

0.45

0.32-0.63

< 0.0001

Painful knees, no.

   0

1.00

   1

1.48

0.99-2.21

0.06

   2

1.82

1.29-2.56

0.0006

BMI^†, kg/m²

   < 18.5

2.45

1.60-3.75

< 0.0001

   18.5-24.9

1.00

   25-29.9

1.18

0.87-1.60

0.27

   ≥ 30

1.38

1.01-1.88

0.04

SMI^‡, %

0.98

0.95-1.01

0.18