Change in self-reported somatic symptoms among patients in opioid maintenance treatment from baseline to 1-year follow-up

Table 3 Multivariable regression of covariates relevant to a change in somatic health from T0 to T1ab

Variables	Multivariable analysis
Variables	β (95% CI)	p value
Age	0.03 (-0.13/0.18)	0.747
Sex^c	1.56 (-1.60/4.73)	0.332
Severity of dependence^d	0.16 (-0.30/0.63)	0.488
Mental distress^e	2.36 (0.66/4.06)	0.007
Injection use	1.49 (-1.81/4.78)	0.375
Number of somatic conditions	1.69 (0.33/3.06)	0.015

^aMultiple linear regression with simultaneous entry of variables (the ‘‘enter’’ method); unstandardized beta coefficient with 95% confidence interval (CI).
^bDependent variable is difference in somatic symptoms T0-T1.
^cMale was the reference category.
^dSDS, Severity of Dependence Scale.
^eHSCL-25, Hopkins Symptom Checklist-25.

ISSN: 1471-244X