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. Author manuscript; available in PMC: 2010 Aug 23.
Published in final edited form as: J Am Acad Child Adolesc Psychiatry. 2008 Oct;47(10):1197–1204. doi: 10.1097/CHI.0b013e3181825a7b

Table 3.

Hierarchical Regression Analysis for SMQ Scores as a Predictor of Selective Mutism in PreSchool and School-Aged Children (N = 80)

Criterion Variable Predictor Variable Δ R2 ΔF β
Selective Mutism Diagnosis, PreSchool Preschool demographics .03 1.23
CBCL SS Anxious/Depressed T-Score .27 12.61*
SMQ global score .62 67.02**
SMQ school factor score .03*
SMQ family factor score .004
SMQ social situations score .06*
Selective Mutism Diagnosis, School School demographics .04 1.44
CBCL SS Anxious/Depressed T-Score .38 26.12**
SMQ global score .48 57.86**
SMQ school factor score .06**
SMQ family factor score .01
SMQ social situations score .01

Note: SMQ = Selective Mutism Questionnaire; CBCL SS = Child Behavior Checklist Syndrome Scale. Selective mutism diagnosis was determined via the Anxiety Disorders Interview Schedule for Children for DSM-IV-Parent Version. R2 indices are adjusted.

*

p < .01.

**

p < .001.