Among girls, both non-users and heavy users of Among boys, both non-users and heavy users satisfaction with their lives, choosing a 10 on the O-10 life satisfaction scale. In Asia, Central and Thus, there is more variation in levels of life Eastern Europe, English-speaking countries, Latin America, and Western Europe, non-users were users, with more individuals at the extremes of life America, non-users were 65% more likely to be users. In Central and Eastern Europe and Western Europe, heavy users were also more likely than moderate users to report high life satisfaction.