| |
CAM Only (N = 84)
|
Conventional Medication Only (N = 126)
|
Both (N = 127)
|
|---|
| |
Odds ratios (95% confidence intervals)
|
|
Age ≥ 65 years
|
1.74 (0.90–3.37)
|
1.44 (0.80–2.61)
|
2.03 (1.09–3.77)
|
|
Women
|
1.79 (0.91–3.53)
|
1.02 (0.57–1.80)
|
1.82 (0.96–3.43)
|
|
Education
| | | |
|
≥ Some college
|
1.02 (0.50–2.07)
|
0.96 (0.53–1.76)
|
1.55 (0.81–2.96)
|
|
High school or less
|
1.0
|
1.0
|
1.0
|
|
Income ($)
| | | |
|
>100,000
|
2.23 (0.72–6.92)
|
0.47 (0.12–1.86)
|
2.82 (1.01–7.84)
|
|
50,000–100,000
|
2.28 (1.15–4.50)
|
0.95 (0.50–1.82)
|
0.83 (0.41–1.68)
|
|
≤ 50,000
|
1.0
|
1.0
|
1.0
|
|
KOOS Pain‡
|
0.78 (0.50–1.23)
|
0.65 (0.44–0.97)
|
0.54 (0.35–0.81)
|
|
KOOS Quality of Life‡
|
0.81 (0.52–1.25)
|
0.71 (0.49–1.05)
|
0.66 (0.44–1.00)
|
|
Kellgren-Lawrence grade:
|
0.94 (0.41–2.17)
|
0.91 (0.44–1.90)
|
1.08 (0.52–2.26)
|
|
4 versus 2 or 3
| | | |
|
Symptom-related multi-joint osteoarthritis
|
1.06 (0.56–2.00)
|
1.04 (0.59–1.85)
|
1.56 (0.83–2.93)
|
|
History of knee injury/surgery
|
0.93 (0.51–1.68)
|
0.64 (0.37–1.09)
|
0.77 (0.44–1.35)
|
|
SF-12 Physical Health Score‡
|
0.72 (0.48–1.09)
|
0.77 (0.53–1.10)
|
0.72 (0.49–1.04)
|
|
Obesity
|
1.05 (0.56–1.96)
|
1.18 (0.67–2.06)
|
0.71 (0.39–1.30)
|
-
† Reference group includes participants who did not report use of CAM or conventional medications for osteoarthritis treatment.
-
‡ Odds ratios are per one standard deviation (SD) change in SF-12 Physical Health Score (SD = 10.8) and KOOS subscales of Pain (SD = 23.0) and Quality of life (SD = 23.4).
