Table A.8.

Links from proximity data. High semantic similarity (cosine values) indicate stronger association between concepts. Links with shaded backgrounds are from health professional models. [S] denotes the shared links.

Link		Semantic Similarity
choice	controversy	0.99754
vaccine	mercury	0.99443
vaccine	autism	0.99125
autism	choice	0.98826
delay	risk	0.98249
autism	side effects	0.97496
vaccine	risk	0.96787
ingredients	reaction	0.96623
vaccine	immunization	0.96549
vaccine	ingredients	0.96524
vaccine	schedule	0.94231
alternative	risk	0.94176
vaccine	death	0.94002 [S1]
safety	risk	0.93127
vaccine	reaction	0.9277
vaccine	delay	0.91741
injury	death	0.91525
vaccine	choice	0.90658
vaccine	death	0.90132 [S1]
exemption	conscience	0.88088 [S3]
vaccine	safety	0.87345
mercury	preservative	0.87239
vaccine	side effects	0.87082
autism	andrew wakefield	0.85667 [S2]
safety	death	0.84273
toxins	choice	0.8236
ingredients	aluminum	0.76991
ingredients	side effects	0.76686
aluminum	formaldehyde	0.7632
autism	controversy	0.76309
autism	dr. sears	0.75828
delay	preservative	0.71412
autism	andrew wakefield	0.70008 [S2]
refusal	immunization	0.67507
delay	andrew wakefield	0.6726
dr. sears	schedule	0.66473
toxins	refusal	0.63559
toxins	preservative	0.62951
schedule	side effects	0.62948
toxins	immunization	0.61651
exemption	immunization	0.54379
conscience	controversy	0.54193
alternative	death	0.50042
refusal	death	0.49126
toxins	injury	0.3695
preservative	formaldehyde	0.20115
toxins	aluminum	0.19739
exemption	conscience	0.15035 [S3]