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Table 4 The proportions of participants using specific types of analgesics or nutraceuticals at baseline according to demographic and clinical characteristics

From: How do people with knee osteoarthritis use osteoarthritis pain medications and does this change over time? Data from the Osteoarthritis Initiative

Variable

 

n

A'phen

Px NSAID

OTC NSAID

COXIB

Opoids

Gluco/chond

Other nutra

Sex

Male

435

8.3%

6.9%

25.7%

6.4%

1.4%

42.3%

9.0%

 

Female

552

17.6%

9.2%

27.7%

13.2%

4.9%

39.5%

8.3%

Race

White

701

11.6%

8.0%

24.7%

11.7%

2.7%

47.4%

10.1%

 

Non-white

286

18.2%

8.7%

32.2%

6.6%

4.9%

24.5%

4.9%

Age

<65

594

12.3%

10.1%

27.3%

9.3%

3.4%

40.1%

8.9%

 

65 to 74

312

14.1%

6.1%

26.3%

11.9%

3.2%

43.9%

8.3%

 

>74

81

19.8%

2.5%

25.9%

11.1%

3.7%

33.3%

7.4%

KL grade

2

378

12.4%

9.8%

22.2%

9.3%

3.7%

35.4%

7.1%

 

3

442

13.6%

7.5%

30.5%

9.5%

3.6%

39.8%

7.9%

 

4

167

15.6%

6.6%

27.5%

14.4%

1.8%

55.1%

13.8%

Pain NRS

0 to 3

233

6.9%

6.9%

19.7%

9.4%

0.4%

47.2%

7.7%

 

4 to 7

535

14.8%

6.9%

26.5%

9.7%

3.0%

41.7%

8.4%

 

8 to 10

219

17.4%

12.8%

35.2%

12.3%

7.3%

31.5%

10.0%

Co-morb

Absent

696

10.1%

7.6%

27.2%

10.6%

2.7%

44.8%

9.9%

 

Present

291

21.6%

9.6%

26.1%

9.3%

4.8%

30.9%

5.5%

BMI

<26

129

11.6%

9.3%

24.0%

8.5%

2.3%

48.8%

10.0%

 

26 to 30

381

9.7%

5.0%

24.9%

10.0%

1.6%

44.9%

9.7%

 

>30

477

17.0%

10.5%

29.1%

10.9%

5.0%

35.2%

7.3%

  1. A'phen, acetaminophen; BMI, body mass index kg/m2; chond, chondroitin; Gluco, glucosamine; KL, Kellgren-Lawrence; NRS, numerical rating scale; NSAID, non-steroidal anti-inflammatory drug; nutra, nutraceutical; OTC, over the counter; Px, prescription.