Comorbidity and Family Factors Associated with Selective Mutism

Table 2

Group differences on measures of child psychiatric illness.

Child symptomatology measures	Selective mutism group; M (SD)	Community comparison group; M (SD)	d
ADIS-IV-P^a CSR^b
(i) Selective mutism	5.50 (.90)	.00 (.00)	8.72*
(ii) Separation anxiety disorder	1.40 (2.21)	.07 (.37)	.85
(iii) Social phobia	3.57 (2.03)	.10 (.56)	2.35*
(iv) Generalized anxiety disorder	.80 (1.56)	0 (0)	.73
(v) Oppositional defiant disorder	.27 (.91)	0 (0)	.38
SMQ^c subscales
(i) School	10.30 (3.79)	21.20 (2.71)	3.32*
(ii) Home/family	17.70 (2.69)	22.16 (2.15)	1.81*
(iii) Public/social	7.63 (2.70)	16.08 (2.36)	3.37*
SCARED^d subscales
(i) Somatic/panic	17.10 (3.60)	13.56 (1.00)	1.32*
(ii) General anxiety	15.52 (4.27)	10.84 (2.87)	1.29*
(iii) Separation anxiety	13.03 (3.87)	10.44 (2.87)	.77
(iv) Social phobia	18.83 (2.44)	9.72 (3.88)	2.92*
(v) School phobia	5.72 (1.67)	4.32 (.75)	1.07*
DBDRS^e subscales
(i) Oppositional/defiant	13.34 (4.43)	10.32 (2.72)	.82
(ii) Inattention	15.28 (6.23)	10.84 (1.99)	.95*
DBDRS^d subscales
(i) Impulsivity/overactivity	15.69 (5.93)	12.36 (2.51)	.73

aADIS-IV-P  =  Anxiety Disorders Interview Schedule for the DSM-IV-Child Version, Parent Report. bCSR  =  Clinical Severity Rating. cSMQ  =  Selective Mutism Questionnaire. eDBDRS  =  Disruptive Behavior Disorder Rating Scales.
* 𝑃<.0014.