The development of co-designed parent-supported cognitive behaviour therapy for perfectionism in adolescents with eating disorders: initial feasibility and acceptability

Table 4 Means and standard deviations for parents (n = 10) and Adolescents (n = 10)

	Pre-treatment (n = 10)		Clin range	Post-treatment (n = 10)		Clin range	Clin M
	M	SD	Clin range	M	SD	Clin range	Clin M
Parents
CPQ	27.73	5.68	n/a	26.80	5.03	n/a	28.53⁽¹⁾
EDE-Q	1.43	0.85	Sub-clinical	1.54	0.83	Sub-clinical	3.98⁽²⁾
PHQ-9	15.82	6.72	Moderate	13.80	5.47	Mild	15.5⁽³⁾
GAD-7	12.55	3.30	Moderate	11.30	5.23	Moderate	14.1⁽⁴⁾
Adolescents
CPQ	28.82	5.71	n/a	28.00	5.94	n/a	26.17⁽⁵⁾
EDE-Q	3.14	0.79	Clinical	2.98	1.14	Sub-clinical	3.98⁽²⁾
PHQ-9	19.73	5.87	Moderate	17.20	6.11	Moderate	15.5⁽³⁾
GAD-7	15.27	4.69	Severe	14.50	3.84	Moderate	14.1⁽⁴⁾

n/a = not applicable; CPQ = Clinical Perfectionism Scale; EDE-Q = Eating Disorder Examination-Questionnaire; PHQ-9 = Patient Health Questionnaire; GAD-7; Generalised Anxiety Disorder Questionnaire; RCI = Reliable Change Index; Clin range = Mean score of group in terms of clinical severity; Clin mean = Mean clinical norm score taken from the following studies: (1) Egan et al. [36]; (2) Jennings and Phillips [52]; (3) Richardson et al. [53]; (4) Mossman et al. [54], (5) Shu et al. [37]

ISSN: 2050-2974