Outcome reporting bias in observational epidemiology studies on phthalates
Introduction
Phthalates are used in cosmetics, flooring adhesives, medical tubings, toys, food packaging materials, and so forth. A number of reviews of the epidemiology of phthalates have been published with conflicting results. As also noted by previous reviewers, the phthalate epidemiology literature is very diverse. It covers a wide range of health outcomes, and a range of research designs are used. In such instances, it is essential to know what the investigators had in mind when conducting the study, that is, what was stated in the research protocol. We therefore contacted all corresponding authors and invited them to participate in a short and confidential interview and asked for a copy of the protocol...
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Authors
Gerard M. H. Swaen PhD, Miriam J. E. Urlings MSc, Maurice P. Zeegers PhD
Department of Complex Genetics, NUTRIM and CAPHRI Institutes, Maastricht University, The Netherlands
Publication
Annals of epidemiology 26 (2016), 597-599