Table 2.

Frequency and average use of resources by adolescents and their parents in the trial

Resource item	Baseline				Post-treatment
	i-CBT		Waitlist		i-CBT		Waitlist
	(n=47)		(n=54)		(n=47)		(n=54)
	n	Mean	n	Mean	n	Mean	n	Mean
Healthcare (visits)
General practitioner	20	0.426	24	0.44	9	0.19	7	0.13
General practitioner (telephone consultation)	–	–	–	–	0	0	1	0.02
Nurse	4	0.09	10	0.19	4.5	0.10	4	0.07
Counsellor	5.5	0.12	5	0.09	2	0.04	2	0.04
Physiotherapist	9	0.19	2	0.04	8	0.17	4	0.07
Specialist practitioner in gastroenterology	21	0.45	14	0.26	1	0.02	6	0.11
Other medical practitioner*	6	0.13	1	0.02	2	0.04	0	0
Alternative/complementary medicine (eg, reflexology, chiropractor)	1	0.02	0	0.00	2.5	0.05	0	0.00
Psychologist community health/private practice	1	0.02	1	0.02	0	0	0	0
Psychologist at CAMHS	4	0.09	4	0.07	3	0.06	1	0.02
Dietitian	3	0.06	7	0.13	2	0.04	1	0.02
Medication (units)	1207	25.67	1265	23.43	391	8.89	694.50	13.89
Productivity losses at school (adolescents)
School absence (days)	163	3.47	145	2.69	84	1.79	102	1.89
Reduced efficiency at school (days)	268	5.70	208	3.85	166	3.53	115	2.13
Productivity losses at work (parents)
Absence from paid work (hours)	0	0	46.60	0.88	0	0	24.00	0.50
Reduced efficiency at work (hours)	298.96	6.36	291.76	5.40	106.28	2.26	251.65	4.66
Productivity losses unpaid housework (parents)
Absence from unpaid housework (hours)	6.43	0.14	14.00	0.26	1.14	0.03	14.29	0.30
Reduced efficiency unpaid housework (hours)	57.54	1.22	33.26	0.63	10.69	0.25	12.46	0.26

*Paediatrician, emergency services practitioner.

CAMHS, Child and Adolescent Mental Health Services; i-CBT, internet-delivered cognitive–behavioural therapy.