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Table 3 Factors associated with compliance with the exercise recommendations of experts on osteoarthritisa

From: Physical activity status by pain severity in patients with knee osteoarthritis: a nationwide study in Korea

 

Univariable analyses

Multivariable analysesb

OR

95% CI

OR

95% CI

Sex

 Male

reference

–

–

reference

–

–

 Female

0.8

0.57

1.24

1.0

0.55

1.64

Age

 50–59 years

reference

–

–

reference

–

–

 60–69 years

1.0

0.62

1.60

1.0

0.61

1.77

  ≥ 70 years

0.6

0.38

0.96

0.7

0.38

1.20

Monthly household income

 Low

reference

–

–

reference

–

–

 Low to moderate

1.2

0.86

1.80

1.2

0.76

1.77

 Moderate to high

0.8

0.47

1.35

0.6

0.34

1.14

 High

1.3

0.80

2.11

1.1

0.61

1.90

Education level

  ≤ Elementary school

reference

–

–

reference

–

–

 Middle school

1.2

0.73

1.85

0.8

0.48

1.48

 High school

1.3

0.76

2.30

1.2

0.64

2.33

  ≥ College

2.1

0.80

5.30

1.9

0.67

5.51

Marital status

 With spouse

reference

–

–

reference

–

–

 Without spouse

1.6

1.16

2.24

1.3

0.90

2.00

Depressive mood

 No

reference

  

reference

  

 Yes

1.3

0.89

1.81

1.5

0.98

2.19

Body mass index

  > 25 kg/m2

reference

–

–

reference

–

–

  ≤ 25 kg/m2

1.1

0.79

1.54

1.0

0.71

1.46

Cigarette smoking

 Nonsmoker

reference

–

–

reference

–

–

 Smoker

0.6

0.33

1.20

0.6

0.26

1.18

Alcohol consumption

 Never

reference

–

–

reference

–

–

 Low

0.7

0.50

1.09

0.7

0.46

1.09

 Moderate

1.6

1.05

2.53

1.3

0.78

2.27

 Excessive

2.0

1.17

3.52

1.6

0.77

3.16

Knee pain severity

 None to mild

reference

–

–

reference

–

–

 Moderate

1.0

0.63

1.69

0.9

0.53

1.59

 Severe

0.8

0.51

1.34

0.8

0.48

1.39

Number of comorbidities

 0

reference

–

–

reference

–

–

 1

0.9

0.61

1.31

0.9

0.59

1.37

 2

0.9

0.60

1.38

0.8

0.50

1.29

  ≥ 3

0.6

0.34

1.01

0.5

0.27

0.94

  1. Pain severity was categorized using numerical rating scale: 0–3 = none to mild pain, 4–6 = moderate pain, and 7–10 = severe pain
  2. OR Odds ratio, CI Confidence interval
  3. aPerformance of 30 min of moderate-intensity (50–70% maximal heart rate) physical activity or exercise at least 3 days a week
  4. bThe model included sex, age, monthly household income, education level, marital status, depressed mood, body mass index, cigarette smoking, alcohol consumption, knee pain severity, and number of comorbidities