Figure 1

Use of various tobacco products in Hong Kong secondary school students by sociodemographic factors. TP, tobacco product; Alt TP, alternative tobacco product; Cig, cigarette; EC, e-cigarette; N-Nct, non-nicotine; Nct, nicotine; HTP, heated tobacco product; WP, waterpipe. Note: In line graphs, the position of legends was aligned with the rank of the last value on each line. All percentages were weighted by sex, age, and grade distribution of the target population provided by the Education Bureau of the Government of the Hong Kong Special Administrative Region.