Table 1.

Tobacco use among male and female adolescents (13-15 years) in 133 countries

Countries based on GNI	Number of countries	Prevalence of tobacco use in male adolescents (Percentages)	Prevalence of tobacco use in female adolescents (Percentages)	p-value
Low-Income Countries	28	18.48 Min = 6.8 Max = 33.2	11.41 Min = 2.8 Max = 19.2	0.006
Lower-Middle-Income Countries	76	24.18 Min = 6.5 Max = 65.5	13.37 Min = 1.5 Max = 40.3	< 0.001
Upper-Middle-Income Countries	48	22.97 Min = 6.6 Max = 44.9	15.29 Min = 2.1 Max = 32.7	< 0.001
High-Income Countries	33	24.76 Min = 4.9 Max = 54.1	19.4 Min = 1.7 Max = 41.4	0.052
Total	133	23.29	15.35	< 0.001