Table 1.

Sample sizes, gender and response rates of the European School Survey Project on Alcohol and Other Drugs Ireland Surveys (1995–2015)

Years	1995	1999	2003	2007	2011	2015
Sample size	1849	2277	2407	2221	2207	1470
Male (%)	49	49	51	45	50	51
Response rate (%)	96	92	96	94	94	86