“…Studies were conducted in Australia,21 Austria,30 32 Bulgaria,26 Croatia,26 Cyprus,26 Czechia,26 Denmark,26 Estonia,26 Finland,22 26 France,26 Germany,25 26 Greece,26 Hungary,26 Iceland,26 Ireland,26 Italy,26 Latvia,26 Lithuania,26 Luxemburg,26 Malta,26 The Netherlands,26 31 Norway,26 Poland,26 Portugal,26 Romania,26 Slovakia,26 Slovenia,26 South Korea,24 33 36 Spain,26 Sweden,26 the UK26 and the USA 8 9 23 27 29 35 38 39. Sources of information included the National Nutrition and Physical Activity Survey,21 Regional Health and Well-being Study,22 US Behavioural Risk Factor Surveillance System surveys,23 27 Korea National Health and Nutritional Examination Survey,24 36 German Health Update Survey,25 European Health Interview Survey,26 National Youth Physical Activity and Nutrition Study,39 Youth Risk Behaviour Survey,9 Health Survey for England study,28 National Health and Nutrition Examination Survey,29 35 Austrian Health Interview Surveys,30 32 Dutch Health Survey/Lifestyle Monitor by Statistics Netherlands,31 National Health Insurance Service of South Korea,33 Active Lives Survey34 37 37 and the NHIS 8 38. Aerobic and MSA were self-reported in most studies, although one study29 directly measured aerobic physical activity through accelerometers.…”