Table 2.

Comparisons between Cluster 1 (resembling DSM-5 diagnosis of Anorexia Nervosa) and Cluster 2 (resembling DSM-5 criteria for Avoidant/Restrictive Food Intake Disorder) (n = 97)

	Cluster 1 (n = 72)	Cluster 2 (n = 25)	p values
Girls	0.84	0.63	0.05
Tanner 1	0.55	0.85	0.03
High socio-economic level	0.74	0.38	< 0.01
Early age at first symptoms	0.25	0.67	< 0.001
Intensive sporting activity	0.26	0	< 0.01
First degree ED history	0.24	0	< 0.01
First degree psychiatric history	0.49	0.28	0.10
Developmental delay	0.03	0.38	< 0.001
Eating or feeding disorder during first year	0.05	0.36	< 0.001
Personal chronic disease history	0.21	0.45	0.04
Reported trigger for ED onset	0.79	0.48	< 0.01
Psychiatric comorbidities	0.40	0.75	< 0.01
Generalised anxiety disorder	0.24	0.55	< 0.01
OCD	0.07	0.11	0.42
MDD	0.07	0.16	0.23
ASD	0.04	0.24	< 0.01
Specific learning disorder	0.03	0.04	1
ADHD	0.00	0.20	< 0.001
Growth retardation	1.00	0.60	< 0.001
Early adiposity rebound	0.69	0.34	0.01
Absence of adiposity rebound	0.20	0.48	0.02

ED eating disorder; OCD Obsessive compulsive disorder; MDD major depressive disorder; ASD Autism spectrum disorder; ADHD attention deficit hyperactivity disorder. Bold values denote statistical significance at the p<0.05 level.