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04_data_extraction
Summary
This document describes the methods for a research review that will examine how tiny plastic particles (microplastics) combined with pesticides might affect human reproduction and fertility. The researchers are systematically collecting data from multiple studies to see if exposure to these plastic-pesticide combinations could harm reproductive health. This type of comprehensive review helps scientists better understand potential health risks from the plastic pollution and chemical contamination we're increasingly exposed to in our environment.
Data extraction materials and procedures for the systematic review. This component will include the standardized data extraction form and supporting documentation used to collect information from eligible studies. Data extraction will be conducted independently by two reviewers using a piloted extraction template. Extracted variables will include study characteristics (authors, year, country, and study design), population or animal model characteristics, exposure assessment methods, type and characteristics of microplastics (polymer type, size, shape when available), pesticide class and compound, exposure levels or concentrations, biological matrices analyzed, reproductive biomarkers assessed, evidence of tissue bioaccumulation, statistical effect estimates, and adjustment for potential confounding variables. Discrepancies in extracted data will be resolved through discussion and verification of the original study reports.