Table II.

Patterns of longitudinal use of CAM modalities among older adults with radiographic knee OA

	Number of assessments reporting CAM use†
	0	1	2	3
	Percentage†
Any CAM	29.8	21.4	17.6	31.2
Biologically based supplements
Glucosamine/Chondroitin*	52.7	15.4	14.1	17.9
Methylsulfonylmethane*	80.9	13.3	4.8	0.9
S-adenosylmethionine*	98.7	1.1	0.1	0.1
Herbs	95.3	3.9	0.6	0.2
Vitamins	81.5	13.6	4.6	0.3
Biologically based topical agents
Rubs, lotions, liniments, creams or oils	73.7	16.7	5.7	3.9
Capsaicin	94.4	4.9	0.7	0.1
Mind-body interventions
Yoga, Tai Chi, Chi Gong, Pilates	87.2	8.7	3.1	0.9
Relaxation therapy, meditation, deep breathing or visualization	93.3	5.0	1.3	0.3
Spiritual activities	91.8	6.1	1.6	0.6
Manipulation and body-based methods
Chiropractic	93.3	4.6	1.7	0.5
Massage	97.0	2.1	0.6	0.3
Alternative medical system/Energy therapy
Acupuncture	98.2	1.5	0.2	0.1
Acupressure	99.4	0.5	0.1	0.0
Copper, magnet bracelet	93.8	4.7	1.0	0.5
Homeopathy/Chelation therapy/Folk medicine/Ayurveda/biofeedback/hypnosis/naturopathy/energy therapy	99.1	0.9	0.0	0.0
Biologically based diets	97.3	2.2	0.2	0.2

^†The number of assessments represents the total number of assessments (or frequency) when a participant reported using the CAM modality. The percentage was calculated as the proportion of each frequency level.

^*0, 1, 2 and 3 respectively represents 0, 1–2, 3–4, and all 5 assessments when participants reported use of the four supplements.