Do adjunctive art therapies reduce symptomatology in schizophrenia? A meta-analysis

Table 1 Trials included in the meta-analyses

	Art (n)	Control (n)	Blind assess	Sessions	Control	Art therapy type
Yang et al[21], 1998	40	30	No	6 per week × 3 mo	TAU	Music
Röhricht et al[22], 2006	24	121	Yes	20 over 20 wk	Supp couns	Body-oriented psychotherapy
Ulrich et al[23], 2007	21	16	Yes	Mean = 7.5	TAU	Music
Richardson et al[24], 2007	43	47	No	12	TAU	Art
Talwar et al[25], 2008	33	48	Yes	Median = 8	TAU	Music
Crawford et al[15], 2010	140	137	Yes	Weekly for 12 mo	Activity	Group art therapy
Montag et al[26], 2014	16	19	Yes	12 over 6 wk	TAU	Psychodynamic art therapy
Lee et al[27], 2015	18	20	No	1 per week × 12 wk	TAU	Dance/movement
Priebe et al[16], 2016	140	135	Yes	20	Pilates	Body psychotherapy

Table 2 Meta-regressions findings for moderator variables

Moderator variable	k	Q-statistic
Age	9	Q = 4.66, df = 1, P = 0.02
Percentage of female participants (%)	9	Q = 5.10, df = 1, P = 0.02
Number of therapy sessions	9	Q = 0.07, df = 1, P = 0.78