Patterns of analgesic use, pain and self-efficacy: a cross-sectional study of patients attending a hospital rheumatology clinic

Table 3 Factors affecting reported pain and regularity of analgesic use: Simple and multiple linear regression.

Variable	Factors affecting regularity of analgesic use						Factors affecting pain severity
	Simple Linear Regression			Multiple Linear Regression*			Simple Linear Regression			Multiple Linear Regression#
	β (9%% CI)	SE	p value	β (95% CI)	SE	p value	β (95% CI)	SE	p value	β (95% CI)	SE	p value
Pain	0.35 (0.12 to 0.58)	0.12	0.003	0.37 (0.11 to 0.63)	0.13	0.006	-	-	-	-	-	-
Self-efficacy	-0.15 (-0.67 to 0.38)	0.27	0.578	0.09 (-0.49 to 0.67)	0.29	0.768	-0.85 (-1.13 to -0.58)	0.14	<0.001	-0.82 (-1.13 to -0.52)	0.16	<0.001
Gender	0.83 (-1.40 to 3.06)	1.13	0.464	0.64 (-0.60 to 2.87)	1.13	0.574	0.58 (-0.68 to 1.84)	0.64	0.368	0.52 (-0.77 to 1.80)	0.65	0.431
Age	0.04 -0.03 to 0.1)	0.03	0.245	0.04 (-0.03 to 0.11)	0.04	0.308	0.01 (-0.03 to 0.05)	0.02	0.53	0.01 (-0.03 to 0.05)	0.02	0.541
Ethnicity	1.69 (-0.68 to 4.07)	1.20	0.161	0.98 (-1.54 to 3.5)	1.28	0.446	1.46 (0.12 to 2.81)	0.68	0.034	1.39 (0.04 to 2.82)	0.73	0.057
Disease duration	0.04 (-0.05 to 0.14)	0.05	0.4	0.03 (-0.08 to 0.13)	0.05	0.629	-0.01 (-0.07 to 0.05)	0.03	0.68	-0.01 (-0.07 to 0.05)	0.03	0.769
Regularity of analgesic use	-	-	-	-	-	-	0.14 (0.05 to 0.23)	0.05	0.003	0.12 (0.04 to 0.21)	0.04	0.006

*Percentage of explained variance 3.7
Variables adjusted for: pain, self-efficacy, gender, age, ethnicity, disease duration
# Percentage of explained variance 13.5
Variables adjusted for: self-efficacy, gender, age, ethnicity, disease duration, regularity of analgesic use

ISSN: 1471-2474