Table 2.

Prevalence of multimorbidity

	Full sample	Asthma	Diabetes	Epilepsy	Food allergy	Juvenile arthritis	P value
Baseline
Any disorder	29 (58)	9 (64)	4 (44)	4 (50)	5 (63)	7 (64)	0.88
Major depressive episode	12 (24)	4 (29)	2 (22)	1 (13)	1 (13)	4 (36)	0.74
Separation anxiety	2 (4)	0	0	1 (13)	0	1 (9)	0.43
Phobia*	15 (30)	6 (46)	1 (11)	1 (13)	3 (38)	4 (36)	0.35
Generalised anxiety	6 (12)	0	0	2 (25)	2 (25)	2 (18)	0.11
Attention-deficit hyperactivity	5 (10)	1 (7)	0	1 (13)	3 (38)	0	0.06
Oppositional defiant	9 (18)	2 (14)	1 (11)	2 (25)	4 (50)	0	0.07
Conduct	3 (6)	1 (7)	0	1 (13)	1 (13)	0	0.65
Six months
Any disorder	21 (42)	9 (64)	1 (11)	4 (50)	2 (25)	5 (56)	0.10
Major depressive episode	2 (4)	0	0	0	0	2 (22)	0.11
Separation anxiety	3 (6)	2 (14)	0	1 (13)	0	0	0.56
Phobia*	10 (20)	5 (36)	1 (11)	1 (13)	0	3 (33)	0.25
Generalised anxiety	4 (8)	1 (7)	0	1 (13)	0	2 (22)	0.55
Attention-deficit hyperactivity	3 (6)	0	0	0	2 (25)	1 (11)	0.09
Oppositional defiant	6 (12)	2 (14)	0	2 (25)	2 (25)	0	0.31
Conduct	4 (8)	1 (7)	0	2 (25)	1 (13)	0	0.33

*Includes generalised, non-generalised and specific phobias.

Results are the number (%) of children with multimorbidity. Fisher’s exact tests examined multimorbidity across the five physical conditions.