Table 2. Prevalence of cigarette smoking among males aged 15 and above in Vietnam.

Variable	Cigarette smoking prevalence (%)
Overall	36.1
Age groups
15–29	25.7
30–44	46.1
45–59	43.3
60–69	30.9
≥70	18.8
Income groups
First (bottom 20%)	35.4
Second	47.8
Third	47.7
Fourth	30.9
Fifth (top 20%)	30.4