Table 1.

Socio-demographic and clinical characteristics of psychiatric outpatients (n = 470, using 897 psychoactive drugs).

Variable	Mean	95% CI		Median	SD	Range	Skewness	Kurtosis	KS test p value
		Lower	Upper
Age (years)	45.75	44.54	46.96	46.50	13.34	18 / 87	0.07	-0.43	.506
Treatment time (months)	86.28	77.71	94.85	48.00	94.56	1 / 480	1.59	2.42	.000**
No. of admissions	0.78	0.61	0.96	0.00	1.93	0 / 20	4.83	32.78	.000**
No. of drugs used	1.92	1.81	2.02	1.00	1.17	1 / 6	1.30	1.18	.000**
DAI-10	2.69	2.43	2.94	4.00	3.90	-10 / 10	-0.44	-0.20	.000**
BMQ-Necessity	3.47	3.40	3.54	3.60	1.04	1 / 5	-0.43	-0.55	.000**
BMQ-Concern	2.80	2.73	2.87	3.00	1.07	1 / 5	-0.18	-1.00	.000**

Variable	Category	Frequency	Percent	95% CI
				Lower	Upper
Sex	Male	223	47.4%	42.9%	52.1%
	Female	247	52.6%	47.9%	57.1%
Educational level	Can read and write	12	2.6%	1.3%	4.4%
	Primary school	132	28.1%	24.1%	32.4%
	Secondary school	195	41.5%	37.0%	46.1%
	College or higher	131	27.9%	23.9%	32.2%
Involuntary admissions	Yes	91	19.4%	15.9%	23.2%
	No	379	80.6%	76.8%	84.1%
Diagnoses	Depressive disorder	179	38.1%	33.7%	42.6%
	Anxiety disorder	130	27.7%	23.7%	32.0%
	Schizophrenia	110	23.4%	19.6%	27.5%
	Bipolar disorder	33	7.0%	4.9%	9.7%
	Personality disorder	14	3.0%	1.6%	4.9%
	Other diagnoses	4	0.9%	---	---
Psychoactive drug	Antidepressants	194	41.3%	36.8%	45.9%
	Anxiolytics	126	26.8%	22.9%	31.1%
	Antipsychotics	111	23.6%	19.8%	27.7%
	Mood stabilizers	39	8.3%	6.0%	11.2%
Polypharmacy	Monotherapy	236	50.2%	45.6%	54.8%
	Polypharmacy	234	49.8%	45.2%	54.4%

Notes. DAI-10: Drug Attitude Inventory–10 items; BMQ: Belief about Medication Questionnaire; the variable is normally distribute;

^**p < .01; the variable does not adjust to normality.