Comparison 12. Self‐hypnosis versus control.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
12.1 Anxiety: State Trait Anxiety Inventory for Children (STAIC)	1		Other data	No numeric data
12.2 Impact on Family Scale	1		Other data	No numeric data
12.3 Child Behavior Checklist	1		Other data	No numeric data
12.4 Average peak expiratory flow rate (PEFR)	1		Other data	No numeric data
12.5 Height and weight	1		Other data	No numeric data
12.6 Rating of the parents' assessment of the child's illness	1		Other data	No numeric data
12.7 Locus of Control (LOC): Nowicki Strickland (1973) LOC for Children	1		Other data	No numeric data
12.8 Health Locus of Control: Children's Health Locus of Control (HLOC)	1		Other data	No numeric data
12.9 Self‐concept: Piers Harris Children's Self‐Concept Scale	1		Other data	No numeric data