Table 1. Characteristics of study participants.

	ASD	Neurotypical
Total Participants	67	50
Male	55 (82%)	41 (82%)
Female	12 (18%)	9 (18%)
Age (years)	11.5 ± 8.5	12.2 ± 7.5
Children (ages 3–12)	Children n = 48 (72%)	Children n = 34 (68%)
Teens (ages 13–20)	Teens n = 13 (19%)	Teens n = 11 (22%)
Adults (ages 20+)	Adults n = 6 (9%)	Adults n = 5 (10%)
	Autism = 50 (75%)
Diagnosis	Asperger’s = 8 (12%)
	PDD-NOS = 7 (10%)
	Regressive = 22 (33%)
Autism Onset	Plateau = 18 (27%)
	Early Onset = 25 (37%)
Asthma	17 (25%)	8 (16%)
Food Allergies	16 (24%)	2 (4%)
Other Allergies	32 (48%)	15 (30%)
Other Health Issues (note: these are likely under-reported since we only asked a general question about “other health conditions”, and some of these symptoms might be viewed as part of autism)	ADHD: 10; sensory problems: 4; cerebral palsy: 3; intellectual disability: 2; learning disability: 2; depression: 2; hypotonia: 2; seizures: 2; early puberty: 2; dysphagia; reflux; vascular malformation; spinal fusion; agenesis of lung; gastritis; eczema; apraxia; type 2 diabetes; type 1 diabetes; OCD; anxiety; mood disorder; sleep disorder	nocturnal enuresis; Hashimoto’s thyroiditis