Table 1.

Search strategy for Medline

	Search terms
1. Population	(Children OR Childhood OR Schooler OR Preadolescent OR Adolescent OR ‘School aged’ OR ‘School-aged’)
2. Outcome	(Thinness OR Underweight OR Obesity OR Overweight OR ‘Body composition’ OR ‘Body constitution’ OR ‘Weight status’ OR anthropometr*)
3. Study design	(Prevalence OR Trend OR Epidemiolog*)
4. Types of studies	(Observant* OR ‘cross-sectional’ OR longitudinal NOT (survey* OR review))
5. Location	(Russia OR Germany OR Turkey OR France OR ‘United Kingdom’ OR Italy OR Spain OR Ukraine OR Poland OR Romania OR Kazakhstan OR Netherlands OR Belgium OR Greece OR Czech Republic OR Portugal OR Sweden OR Hungary OR Azerbaijan OR Belarus OR Austria OR Switzerland OR Bulgaria OR Serbia OR Denmark OR Finland OR Slovakia OR Norway OR Ireland OR Croatia OR Bosnia and Herzegovina OR Georgia OR Moldova OR Armenia OR Lithuania OR Albania OR Macedonia OR Slovenia OR Latvia OR Kosovo OR Estonia OR Cyprus OR Montenegro OR Luxembourg OR Transnistria OR Malta OR Iceland OR Andorra OR Liechtenstein OR Monaco OR ‘San Marino’ OR ‘Vatican city’ OR Europe* [title])
1 and 2 and 3 and 4 and 5

Truncation symbol: ∗=all possible word endings included.

Limits, publication languages: English.