Table 3.

Primary analysis results

		CGI-I		Free from primary diagnosis		Free from all anxiety diagnoses
		Relative risk (95% CI)	p value*	Relative risk (95% CI)	p value*	Relative risk (95% CI)	p value*
Treatment
	GPD-CBT vs SFBT (ref)	1·013 (0·863–1·189)	0·95	1·091 (0·915–1·300)	0·64	1·059 (0·838–1·340)	0·78
Timepoint
	After treatment (ref) vs 6 month follow-up	0·883 (0·788–0·990)	0·036	0·773 (0·668–0·894)	0·0014	0·723 (0·601–0·870)	0·0020
Treatment by timepoint interaction		0·964 (0·733–2·125)	0·76	0·873 (0·402–1·437)	0·37	0·923 (0·650–1·955)	0·67
	GPD-CBT vs SFBT (ref) after treatment	0·977 (0·782–1·221)	0·83	0·979 (0·733–1·307)	0·88	0·977 (0·690–1·441)	0·98
	GPD-CBT vs SFBT (ref) at 6 month follow-up	1·013 (0·863–1·189)	0·87	1·121 (0·930–1·352)	0·23	1·079 (0·842–1·385)	0·54
Sex†
	Male vs female	0·794 (0·662–0·951)	0·0093	..	..	0·909 (0·717–1·152)	0·50
Age		1·004 (0·968–1·042)	0·91	1·018 (0·965–1·074)	0·404	0·974 (0·916–1·037)	0·49

CGI-I=Clinician Global Impression-Improvement. GPD-CBT=guided parent-delivered cognitive behavioural therapy. SFBT=solution-focused brief therapy.

^*p values from the fixed effects of the generalised (log-binomial) mixed models.

^†The fixed effect sex was removed from the model of free from primary diagnosis.