Table 4.

Secondary analysis results

		KFQ-c	SCAS-c	SCAS-p	CAIS-c	CAIS-p	ADIS-c/p CSR
Treatment
	GPD-CBT vs SFBT (ref)	0·817 (−2·785 to 4·418); p=0·65	4·944 (−0·932 to 10·820); p=0·098	–2·072 (−5·733 to 1·590); p=0·27	1·129 (−2·668 to 4·927); p=0·56	–0·832 (−4·008 to 2·344); p=0·60	–0·177 (−0·783 to 0·429); p=0·56
Timepoint
	After treatment (ref) vs 6 month follow–up	2·737 0·847 to 4·627); p=0·0049	5·267 (2·491 to 8·042); p=0·0003	2·939 (1·078 to 4·798); p=0·0022	0·617 (−1·106 to 2·340); p=0·48	1·931 (0·411 to 3·451); p=0·013	0·765 (0·432 to 1·097); p<0·0001
Treatment by timepoint interaction		–1·917 (−5·613 to 1·778); p=0·31	3·72 (−1·596 to 9·053); p=0·17	1·99 (−1·617 to 5·602); p=0·28	–1·665 (−4·963 to 1·632); p=0·32	1·839 (−1·111 to 4·789); p=0·22	–0·210 (−0·860 to 0·440); p=0·52
	GPD-CBT vs SFBT (ref) after treatment	–0·142 (−3·99 to 3·703); p=0·94	6·808 (0·312 to 13·305); p=0·040	–1·705 (−4·885 to 2·734); p=0·57	0·296 (−3·414 to 4·008); p=0·87	0·087 (−3·521 to 3·696); p=0·96	–0·282 (−0·958 to 0·394); p=0·41
	GPD-CBT vs SFBT (ref) at 6 month follow-up	1·775 (−2·46 to 6·015); p=0·41	3·08 (−3·33 to 9·487); p=0·34	–3·067 (−7·406 to 1·271); p=0·16	1·962 (−2·568 to 6·493); p=0·39	–1·751 (−5·143 to 1·640); p=0·30	–0·072 (−0·770 to 0·627); p=0·84
Child's baseline endpoint score		0·764 (0·597 to 0·931); p<0·0001	0·637 (0·487 to 0·787); p<0·0001	0·602 (0·478 to 0·726); p<0·0001	0·456 (0·305 to 0·608); p=<0·0001	0·724 (0·570 to 0·878); p<0·0001	0·515 (0·221 to 0·809); p=0·0007
Sex
	Male (ref) vs female	–1·440 (−5·152 to 2·272); p=0·44	–4·340 (−10·372 to 1·693); p=0·16	2·022 (−1·707 to 5·750); p=0·29	–2·587 (−6·257 to 1·083); p=0·17	–0·296 (−3·527 to 2·934); p=0·86	0·118 (−0·499 to 0·734); p=0·71
Age		0·018 (−1·017 to 1·054); p=0·97	0·364 (−1·628 to 2·355); p=0·72	–0·040 (−1·025 to 0·944); p=0·94	–0·132 (−1·304 to 1·039); p=0·82	0·632 (−0·271 to 1·534); p=0·17	–0·141 (−0·309 to 0·028); p=0·1005
Parental level of anxiety		p=0·68*	p=0·53*	p=0·29*	p=0·80*	p=0·12*	p=0·99*
	Borderline (ref) vs normal	–0·957 (−5·733 to 3·819); p=0·69	–2·340 (−10·146 to 5·467); p=0·55	–3·523 (−8·334 to 1·288); p=0·15	–0·115 (−5·046 to 4·818); p=0·96	–4·135 (−8·432 to 0·163); p=0·059	0·000† (−0·820 to 0·820)
	Borderline (ref) vs high	–3·600 (−11·715 to 4·516); p=0·38	–7·075 (−19·447 to 5·297); p=0·26	–4·980 (−13·208 to 3·248); p=0·23	–2·374 (−10·162 to 5·414); p=0·55	–0·075 (−8·383 to 8·233); p=0·99	0·078 (−1·319 to 1·475); p=0·91
Child's primary anxiety disorder		p=0·54*	p=0·92*	p=0·023*	p=0·55*	p=0·077*	p=0·063*
	GAD (ref) vs SAD	–2·844 (−7·893 to 2·205); p=0·27	–2·701 (−11·151 to 5·749); p=0·53	2·549 (−2·585 to 7·682); p=0·33	2·678 (−2·538 to 7·894); p=0·31	3·559 (−1·109 to 8·226); p=0·13	0·488 (−0·366 to 1·342); p=0·26
	GAD (ref) vs social phobia	2·384 (−4·498 to 9·267); p=0·49	0·207 (−13·541 to 13·955); p=0·98	–5·200 (−12·182 to 1·781); p=0·14	–3·086 (−10·375 to 4·203); p=0·40	–4·188 (−10·208 to 1·831); p=0·17	–0·794 (−1·889 to 0·302); p=0·15
	GAD (ref) vs other	0·698 (−3·782 to 5·178); p=0·76	0·410 (−6·652 to 7·472); p=0·91	−5·770 (−10·422 to −1·118); p=0·016	1·055 (−3·382 to 5·492); 0·64	–2·299 (−6·311 to 1·712); p=0·26	–0·676 (−1·454 to 0·102); p=0·088

Data are estimate (95% CI); p value. KFQ-c=Koala Fear Questionnaire-child report. SCAS-c=Spence Children's Anxiety Scale-child report. SCAS-p=Spence Child Anxiety Scale–parent report. CAIS-c=Child Anxiety Impact Scale–child report. CAIS-p=Child Anxiety Impact Scale-parent report. ADIS-c/p=Anxiety Disorders Interview Schedule for DSM-IV child and parent version. CSR=Clinical Severity Rating. GPD-CBT=guided parent-delivered cognitive behavioural therapy. SFBT=solution-focused brief therapy. GAD=generalised anxiety disorder. SAD=social anxiety disorder.

^*p values assessing the overall effect of categorical factors with three or more levels do not have a corresponding single effect measure so estimates and 95% CIs are not presented.

^†Final figure as provided by the statistical programme.