Characteristics of patients with chronic back pain who benefit from acupuncture

Sherman, Karen J; Cherkin, Daniel C; Ichikawa, Laura; Avins, Andrew L; Barlow, William E; Khalsa, Partap S; Deyo, Richard A

doi:10.1186/1471-2474-10-114

BMC Musculoskeletal Disorders

Table 5 Interaction between treatment group and significant baseline predictor variables for Symptom Bothersomeness score

From: Characteristics of patients with chronic back pain who benefit from acupuncture

		Bothersomeness, 8-week*			Bothersomeness, 52-week*
Treatment group	Predictor variable	β**	SE	P-value	β**	SE	P-value
Individualized acupuncture	Baseline Roland score	-0.15	0.06	0.01	-0.09	0.07	0.16
	Baseline bothersomeness score	0.04	0.13	0.74	0.02	0.14	0.87
	Age	0.03	0.02	0.23	0.01	0.03	0.60
	Gender	0.11	0.62	0.86	0.17	0.67	0.80
	Employment, heavy lifting	1.97	0.99	0.05	2.51	1.06	0.02
	Employment, light/medium lifting	-0.70	0.81	0.39	1.35	0.87	0.12
	Employment, sedentary	0.52	0.84	0.54	1.20	0.91	0.19
	Medication use, narcotics	0.35	1.00	0.72	0.14	1.06	0.90
	Medication use, other	0.36	0.61	0.55	-0.06	0.67	0.93
	Self-efficacy	-2.21	1.49	0.14	-1.52	1.78	0.40
	Acupuncture expectation, top tertile	-1.10	0.67	0.10	-1.44	0.73	0.051
	Acupuncture expectation, could not know	-0.27	0.79	0.73	-0.17	0.85	0.84
Standardized acupuncture	Baseline Roland score	-0.05	0.06	0.39	-0.06	0.07	0.39
	Baseline bothersomeness score	-0.06	0.15	0.69	-0.09	0.16	0.57
	Age	0.04	0.02	0.09	0.04	0.03	0.15
	Gender	0.38	0.60	0.52	0.78	0.64	0.23
	Employment, heavy lifting	0.87	0.99	0.38	0.68	1.07	0.53
	Employment, light/medium lifting	-1.28	0.81	0.12	-0.55	0.87	0.53
	Employment, sedentary	0.18	0.82	0.83	0.40	0.89	0.65
	Medication use, narcotics	1.01	0.96	0.29	0.44	1.02	0.67
	Medication use, other	0.07	0.62	0.91	0.05	0.67	0.94
	Self-efficacy	-1.82	1.66	0.27	-1.30	1.80	0.47
	Acupuncture expectation, top tertile	-0.68	0.66	0.30	-0.87	0.71	0.22
	Acupuncture expectation, could not know	0.35	0.79	0.66	0.70	0.84	0.41
Simulated acupuncture	Baseline Roland score	-0.22	0.06	0.0005	0.02	0.07	0.79
	Baseline bothersomeness score	-0.08	0.13	0.56	-0.10	0.14	0.46
	Age	0.04	0.02	0.07	0.05	0.03	0.08
	Gender	0.03	0.61	0.96	0.14	0.66	0.83
	Employment, heavy lifting	2.10	1.02	0.04	0.97	1.10	0.38
	Employment, light/medium lifting	0.70	0.83	0.40	0.05	0.91	0.96
	Employment, sedentary	0.07	0.86	0.94	1.03	0.94	0.27
	Medication use, narcotics	2.49	0.98	0.01	-0.19	1.06	0.86
	Medication use, other	0.70	0.62	0.26	-0.09	0.68	0.89
	Self-efficacy	-0.75	1.13	0.51	0.28	1.25	0.82
	Acupuncture expectation, top tertile	0.27	0.64	0.67	-1.29	0.69	0.06
	Acupuncture expectation, could not know	-0.16	0.80	0.84	0.75	0.86	0.38

* For ease of identification, all independent variables with P < 0.5 are in boldface type
** The parameter estimates β refer to the amount of change in the outcome that is based on a one unit change in that covariate (continuous variables) or a change in category (categorical variables)

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ISSN: 1471-2474

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