The results was comparable by gender and you will age group (Table step 3)
A maximum of step one,039,249 teenagers aged twelve–16 many years away from 100 regions that had held two or more surveys between 1999 and you can 2019 were used to help you imagine the newest development in the frequency from smokeless using tobacco. Out-of , 66 away from 100 countries presented several surveys, 23 used around three studies, 10 used five studies, and something conducted fifteen surveys; 83 places presented the latest surveys at the national top, and you can 17 regions presented the new surveys during the regional or subregional height (Even more document 1: Table S4). (more…)