Instruments to assess quality of life in people with mental health problems: a systematic review and dimension analysis of generic, domain- and disease-specific instruments

Table 1 General characteristics of the included studies (N = 949)

	N	%
Year of publication
2012	140	14.8
2013	158	16.6
2014	132	13.9
2015	188	19.8
2016	184	19.4
2017	147	15.5
Study region
Africa	13	1.4
Asia	218	23.0
Oceania	39	4.1
Europe	338	35.6
Middle east	49	5.2
North America	236	24.9
South America	53	5.6
Covering various regions	3	0.3
Mental health disorder(s) of the study population^a,b
Anxiety disorders	41	4.3
Bipolar or related disorders	53	5.6
Depressive disorders	128	13.5
Feeding and eating disorders	42	4.4
Gender dysphoria	2	0.2
Neurodevelopmental disorders	23	2.4
Obsessive–compulsive and related disorders	25	2.6
Personality disorders	4	0.4
Schizophrenia spectrum and other psychotic disorders	297	31.3
Sleep–wake disorders	5	0.5
Somatic symptom and related disorders	7	0.7
Substance-related and addictive disorders	101	10.6
Trauma and stressor-related disorders	55	5.8
Various disorders	166	17.5

^aDisorders were grouped according to the diagnostic and statistical manual (DSM)-5 categories
^bDisorder in this case refers to both clinical and subclinical mental health disorders

ISSN: 1477-7525