Table 1.

About the sample (n = 328).

	Age at alcohol debut (years)	Age at illicit drug debut (years)	Age at sexual debut (years)
Mean (SD)	14.57 (1.7)	16.68 (2.0)	15.72 (1.9)
	Alcohol consumption
% 2–4 times per month	46.7 (n = 151)
% 2–3 times per week	13.3 (n = 43)
	Binge drinking
% Every month	22.3 (n = 68)
% Every week	11.1 (n = 34)
	Risky consumption of alcohol	Tried illicit drug
% yes	61.7 (n = 192)	41.8 (n = 136)
	Had sex	Had an STI
% yes	90.7 (n = 294)	22.5 (n = 73)
	Rarely/never use protection	Forgotten protection*	Abstained from protection*
% yes	45.9 (n = 135)	41.4 (n = 133)	50.6 (n = 162)
Sex under the influence of alcohol
% ever	74.7 (n = 233)
% sometimes	26.5 (n = 82)
% often/always	7.1 (n = 22)
Sex under the influence of illicit drug
% ever	16.0 (n = 51)

STI = sexually transmitted infection.

*under the influence of alcohol.