Table 3.

Associations between binary variables and self-reported pain score at end of treatment for combined placebo treatment

		Combined Treatments			Placebo Pill			Sham Acupuncture
Characteristic		Sample Size	Mean (S.D.)	p-value	Sample Size	Mean (S.D.)	p-value	Sample Size	Mean (S.D.)	p-value
Gender
Male		58	4.1 (2.1)	0.07	29	4.1 (2.0)	0.40	32	4.0 (2.1)	0.1
Female		61	3.4 (1.7)		30	3.0 (1.8)		28	3.2 (1.6)
Race
White		96	3.9 (2.0)	0.35	46	4.1 (2.0)	0.30	50	3.7 (2.0)	0.81
Non-white		23	3.4 (1.6)		13	3.4(1.7)		10	3.5(1.6)
Education
≥ 4 years of college		93	3.8(2.0)	0.42	44	3.9 (1.9)	0.73	49	3.8 (2.0)	0.09
< 4 years of college		26	2.8 (1.8)		15	4.1 (1.9)		11	2.7 (1.3)
Diagnosis
Epicondylitis/Tendonitis		79	3.6 (1.9)	0.23	39	3.8 (2.0)	0.70	40	3.4 (1.8)	0.2
Neuropathic /Other		40	4.1 (2.0)		20	3.2 (1.8)		20	4.1 (2.2)
Symptom Duration
3–12 months		41	3.4 (2.0)	0.14	21	3.5 (2.1)	0.20	20	3.6 (2.0)	0.43
> 1 year		78	4.0 (1.9)		38	4.2 (1.8)		40	3.8 (1.9)

S.D.= Standard Deviation