Table 3.

Thirty-day smoking prevalence (%) in Irish European School Survey Project on Alcohol and Other Drugs Surveys (ESPAD) from 1995 to 2015

Year	1995	1999	2003	2007	2011	2015
Male	36.7	32	28	19.3	18.6	13.1
Female	44.9	42	37	26.8	23.2	12.8
Total	40.9	37	33	23.4	20.9	13.0
P values*	<0.001	<0.001	<0.001	<0.001	0.009	0.83

*The null hypothesis is that female and male students had the same smoking prevalence.