N

%

M

SD

Range.

Min - máx

Total Sample

1166

100

Gender

Male

323

27.7

Female

843

72.3

Age

21.14

1.92

18 - 24

Group

University

914

78.4

Non-university

252

21.6

Nationality

Portuguese

1122

96.2

Other

44

3.8

Had alcohol in the last 12 months1

Yes

601

78.4

No

166

21.6

Had sexual intercourse

Yes

562

89.6

No

65

10.4

Had occacional sexual partners1

Yes

131

23.5

No

427

76.5

Had sexual intercourse under the effect of alcohol and/or drugs2

Yes

220

39.2

No

341

60.8