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. 2020 Apr 28;15(4):e0232258. doi: 10.1371/journal.pone.0232258

Table 1. General characteristics of studies about residents’ exposure to agricultural pesticides published between 1998 and 2018 included for scoping review (n = 151).

n (N = 151) %
Study type
 Epidemiological studies 98 64.9
  Case-control study 56 37.1
  Ecological study 19 12.6
  Cohort study 17 11.3
  Cross sectional study 4 2.6
  Protocol for future cohort study 2 1.3
  Methodological framework for epidemiological studies 8 5.3
 Observational measurement studies 26 17.2
 Risk assessment studies 19 12.6
  Risk assessment studies 8 5.3
  Methodological framework for risk assessment studies 11 7.3
Publication year
 < 2000 4 2.6
 2000–2004 21 13.9
 2005–2009 25 16.6
 2010–2014 37 24.5
 2015–2019 64 42.4
Geographic zone
 North America 91 60.3
 Europe 46 30.4
 Asia 5 3.3
 South America 4 2.6
 Africa 3 2.0
 Central America 1 0.7
 Australia 1 0.7