Percentages of 14-year-old adolescents participating in the Youth Health Monitor meeting the advice for positive screen-time behaviour (<2 h/d), stratified by educational level (+-+-+, practical pathway of pre-vocational education (PP VMBO); □-□-□, theoretical pathway of pre-vocational education (TP VMBO); ▲-▲-▲, senior general secondary education (HAVO); ×-×-×, pre-university education (VWO)), for school year 2006–2007 until school year 2012–2013, Amsterdam, the Netherlands. Odds ratios and 95 % confidence intervals adjusted for sex, age, district of Amsterdam and ethnicity, for school year 2012–2013 v. 2006–2007: PP VMBO (OR=1·06; 95 % CI 1·03, 1·10), TP VMBO (OR=1·06; 95 % CI 1·03, 1·10), HAVO (OR=1·06; 95 % CI 1·02, 1·10), VWO (OR=1·00; 95 % CI 0·97, 1·02)