Table 2.

Measures of HRQOL, physical health and mental health

Variables	Percentage or Mean (SD)
SF-12 PCS (n = 2176)	44.63 (9.75), range 11.04 - 64.08
SF-12 MCS (n = 2176)	41.76 (11.40), range 10.83 - 69.06
BSI-18 total, raw score (n = 2164)	13.33 (11.52), range 0 - 64
BSI-18 Somatization	3.58 (3.60), range 0 - 22
BSI-18 Depression	5.78 (5.28), range 0 - 24
BSI-18 Anxiety	3.97 (4.24), range 0 - 23
OTI-HSS sum score, gender-corrected (n = 2131)	11.99 (7.41), range 0 - 42.71
CGI-S (n = 2041)	2.91 (1.59), range 1-7
CGI-S categories (n = 2041)
1 - Normal, not at all ill	27.5%
2 - Borderline mentally ill	16.9%
3 - Mildly ill	18.6%
4 - Moderately ill	17.6%
5 - Markedly ill	13.9%
6 - Severely ill	5.0%
7 - Extremely ill	0.5%
CGI-I (n = 1995)	2.71 (1.04), range 1 - 6
CGI-I categories (n = 1995)
1 - Very much improved	10.3%
2 - Much improved	34.9%
3 - Minimally improved	33.4%
4 - No change	17.0%
5 - Minimally worse	3.1%
6 - Much worse	1.2%
GAF (n = 2076)	65.71 (18.81), range 0 - 100
Prevalence of psychiatric disorders a(n = 2176)	56.9%
In psychopharmacological treatment (n = 2049)	27.5%

Note. SF-12, BSI-18, and OTI-HSS are patient-reported; CGI and GAF are clinician-reported; data on psychiatric disorders and psychopharmacological treatment is taken from patients’ medical records. Percentages are based on valid numbers, which are indicated in parentheses behind the variables. ^a in past 6 months: depression, anxiety disorder, PTSD, psychotic disorder, or Other,

Abbreviations. SF-12 12-Item Short Form Health Survey, PCS Physical Component Summary, MCS Mental Component Summary, BSI-18 Brief Symptom Inventory-18, OTI-HSS Opiate Treatment Index - Health Symptoms Scale, CGI-S Clinical Global Impression – Severity, CGI-I Clinical Global Impression – Improvement, GAF Global Assessment of Functioning