Hepatitis B vaccination of male neonates and autism diagnosis, NHIS 1997-2002


Evidence Type: Research (Data Analysis)
Gallager CM, Goodman MS, Hepatitis B vaccination of male neonates and autism diagnosis, NHIS 1997-2002. J Toxicol Environ Health A. 2010;73:(24):1665-77 - Hepatitis B vaccination of male neonates and autism diagnosis, NHIS 1997-2002. - PubMed - NCBI Score: 0.0/0.0


This research takes numbers, applies some filtering, and comes to findings which conflict with other research, have not been replicated, and used these numbers to jump to some conclusions that are not entirely supported by the evidence. Ultimately this research demonstrates that the Hep B vaccine causes autism just as much as it demonstrates that parents who divorce or women who get an education cause autism.

If you want to read more you can look at
Another weak study “proves” vaccines cause autism [Last accessed 01/01/2016] or
Hepatitis B vaccination of male neonates and autism diagnosis, NHIS 1997-2002. (2010) [Last accessed 01/01/2016]



Strength/Weakness 1

Strong weakness: Adequate Sample Size

After all the various filters were applied the study had 30 children with an autism, which were then broken into multiple smaller groups. It is unknown how many were in each individual group but each group must be under 30 members, most will be under 20.

Strength/Weakness 2

Mild weakness: Demonstrable Bias

The authors make frequent reference to research from the Geier's, publishers of known strong anti-vax ties and strong anti-science tendencies.

Strength/Weakness 3

Strong weakness: Demonstrable Bias

The authors spend a lot of time discussing how mercury in vaccines could be causing an increase of autism diagnoses However being in a two parent family supposedly had a stronger effect, with greater statistical certainy, cannot have any possible bearing to mercury in vaccines, and received almost no discussion This does not sound like impartial research

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Strength/Weakness 4

Strong weakness: Well Designed Research

The research breaks a small sample size into smaller numbers, it attempts to "control for confounders" without explaining the methodology used, references known poor research as if it were quality, and ends at resulting numbers that are confusing and generally ignored if they cannot be directly linked to mercury.

Conclusion 1

The research claims to provide evidence that the Hep B. vaccine causes autism and speculates that mercury is likely to blame. However the numbers provided (which match no other research) also demonstrate that a single parent family is more dangerous then the Hep B. vaccine, and that the mother having a high school education or greater is probably a problem as well.

Conclusion 2

The research suggests that provide evidence that the thimerosal in the Hep B. vaccine causes autism. However this research does nothing to demonstrate that the potential harm (which does not appear to be sufficiently demonstrated either) comes from thimerosal.

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