Table 1

Data of interest that will be sought from eligible studies

Author detailsName of first author, journal where the article was published, language and publication year.
Study characteristicsStudy design, sampling method, data collection period and time of data collection (eg, a 2016 study may have data from 2009).
Participants’ characteristicsAge, BMI, BF% and waist circumference.
Firefighters’ characteristicsJob status (volunteer, career or military), years of service and type of firefighter (eg, industrial, hazard material and wildland).
OutcomesObesity and overweight prevalence.
Methods used to define obesityBMI, BF% or waist circumference.
  • BF%, body fat percentage; BMI, body mass index.