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Table 1 Study inclusion and exclusion criteria

From: The relationship between childhood body weight and dental caries experience: an umbrella systematic review protocol

  Inclusion criteria Exclusion criteria
Types of study Systematic reviews and meta-analyses All other types of study
Period of study Any systematic review from 1990 to 2017 Systematic review prior to 1990
Types of participants Children as defined by < 18 years Studies where children are not the population of interest
Primary outcomes Dental caries experience (as measured by any means) Studies where dental caries is not the outcome of interest, i.e. other dental problems
Exposure/risk factor phenomena of interest Body weight as measured by BMI, or any means Studies which do not look at body weight in relation to dental caries experience
Language Full articles in English Relevant articles in languages other than English