Supply factors as determinants of treatment costs: clinicians’ assessments of a given set of referrals to community mental health centers in Norway

Table 1 Variables and descriptive statistics for sample used in Models I, II, III and IV (n = 523)^a

	Variables	Mean (proportion)	Std. Dev.	Min	Max
	Treatment costs	133,802	116,348.3	1500	742,500
	Ln(Treatment costs)	11.50	0.80	7.31	13.52
Clinical variables (D_ij)	GAFmin	44.3	10.3	10	72
	Psychosis: (=1 if symptoms of psychosis; if not = 0)	(0.28)
	Suicidal: (=1 if symptoms of suicidality; if not =0)	(0.40)
	Substance abuse: (=1 if having a substance abuse problem; if not =0)	(0.30)
Rater background variables (S_j)	Profession
	Psychiatrist: (if psychiatrist =1; if not =0)^b	(0.36)
	Psychologist:(if psychologist =1; if not =0)^b	(0.37)
	Education: (if specialist = 1; if not =0)	(0.88)
	Manager: (if manager =1; if not =0)	(0.64)
	Rater experience: (if more than two years of experince = 1; if two years or less = 0).	(0.61)

^aSome corresponding descriptive statistics for the full sample are available in Grepperud et al. [24]
^bIn addition to being a psychiatrist or a psychologist, the respondents could belong to professions such as nurses and social workers

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