This is the first of its kind study from 600 mothers with info on vaccines & autism. Do vaccines cause autism and other neurodevelopmental delays or disorders?
UPDATE: A day after this study was published the Journal retracted due to the public’s outcry.
Update #2: Received a copy of the Vaccine Outcomes vs. Unvaccinated and Autism and is available for you to download.
Vaccination and Health Outcomes: A Survey of 6- to 12-year-old Vaccinated and Unvaccinated Children based on Mothers’ Reports
Background: Vaccinations have prevented millions of infectious illnesses, hospitalizations and deaths among US children. Yet the long-term health outcomes of the routine vaccination program remain unknown. Studies have been recommended by the Institute of Medicine to address this question.
Specific Aims: To compare vaccinated and unvaccinated children on a broad range of health outcomes, and to determine whether an association found between vaccination and neurodevelopmental disorders (NDD), if any, remains significant after adjustment for other measured factors.
Design: A cross-sectional survey of mothers of children educated at home.
Methods: Homeschool organizations in four states (Florida, Louisiana, Mississippi, and Oregon) were asked to forward an email to their members, requesting mothers to complete an anonymous online questionnaire on the vaccination status and health outcomes of their biological children ages 6 to 12.
Results: A total of 415 mothers provided data on 666 children, of which 261 (39%) were unvaccinated. Vaccinated children were significantly less likely than the unvaccinated to have been diagnosed with chickenpox and pertussis, but significantly more likely to have been diagnosed with pneumonia, otitis media, allergies and NDDs (defined as Autism Spectrum Disorder, Attention Deficit Hyperactivity Disorder, and/or a learning disability). After adjustment, the factors that remained significantly associated with NDD were vaccination (OR 3.1, 95% CI: 1.4, 6.8), male gender (OR 2.3, 95% CI: 1.2, 4.3), and preterm birth (OR 5.0, 95% CI: 2.3, 11.6). In a final adjusted model, vaccination but not preterm birth remained associated with NDD, while the interaction of preterm birth and vaccination was associated with a 6.6-fold increased odds of NDD (95% CI: 2.8, 15.5).
Conclusions: In this study based on mothers’ reports, the vaccinated had a higher rate of allergies and NDD than the unvaccinated. Vaccination, but not preterm birth, remained significantly associated with NDD after controlling for other factors. However, preterm birth combined with vaccination was associated with an apparent synergistic increase in the odds of NDD. Further research involving larger, independent samples is needed to verify and understand these unexpected findings in order to optimize the impact of vaccines on children’s health.
- 1Epidemiology and Biostatistics, School of Public Health (Initiative), Jackson State University, USA
- 2National Home Education Research Institute, USA
- 3Epidemiology and Biostatistics, School of Public Health (Initiative), USA
- 4Former Graduate Student, Jackson State University, School of Public Health (Initiative), USA
Citation: Mawson AR, Ray BD, Bhuiyan AR and Jacob B (2016). Vaccination and Health Outcomes: A Survey of 6- to 12-year-old Vaccinated and Unvaccinated Children based on Mothers’ Reports. Front. Public Health 4:270. doi: 10.3389/fpubh.2016.00270 Received: 17 Sep 2016; Accepted: 21 Nov 2016. Edited by: Amit Agrawal, Gandhi Medical College, India Reviewed by: Kelly Hsieh, University of Illinois at Chicago, USA Linda Mullin Elkins, Life University, USA