Table 2. Distribution of variables related to sexual behavior.

Characteristics	n	%
Have you ever had sexual intercourse? (n = 1,740)
No	179	10.3
Yes	1,561	89.7
Age of first sexual intercourse (n = 1,561)
Less than 12 years old	5	0.3
12–15 years old	415	26.6
16–18 years old	893	57.2
More than 18 years old	248	15.9
Used contraceptive method in the last sexual intercourse (n = 1,561)a
No	159	10.2
Yes	1,402	89.8
Used method (n = 1,402)b
Male/female condom	863	61.6
Oral contraceptive	1,057	75.4
Intrauterine device	13	0.9
Interrupted coitus	51	3.6
Injectable contraceptive	12	0.9
Diaphragm	2	0.1
Vaginal ring	4	0.3
Calendar-based contraceptive	21	1.5
Minipill	3	0.2
Other	8	0.6
Type of partner in the last sexual intercourse (n = 1,561)
Long-term	1,186	76.0
Short-term	375	24.0
Heard about emergency contraception (n = 1,561)
No	7	0.4
Yes	1,554	99.6
Information source (n = 1,554)b
Family member	363	23.4
Friend	975	62.7
Drugstore	195	12.5
Advertisement	379	24.4
Teacher/professor	318	20.5
Health professional	279	18.0

^a Except emergency contraception.

^b Possible to select more than one answer.