1999 YRBS High School Survey

Oregon Youth Risk Behavior Survey (YRBS)
1999 High School

**Q79 How old were you when you had sexual intercourse for the first time?**
Weighted Column Percents
		TOTAL	Grade
		TOTAL	9th	10th	11th	12th
TOTAL		100.0	100.0	100.0	100.0	100.0
I have never had sexual intercourse		63.9	77.3	66.5	58.0	49.8
11 years old or younger		2.0	3.2	2.2	1.3	1.0
12 years old		1.8	2.5	1.6	1.7	1.4
13 years old		3.7	4.5	3.8	3.5	3.0
14 years old		7.2	8.3	7.9	6.2	6.0
15 years old		9.4	4.0	12.8	11.6	9.9
16 years old		7.4	.2	5.2	13.3	12.9
17 years old or older		4.6	.0	.2	4.4	16.1
Female	Total	100.0	100.0	100.0	100.0	100.0
	I have never had sexual intercourse	63.4	79.1	65.2	56.3	48.0
	11 years old or younger	1.2	2.0	1.5	.7	.5
	12 years old	1.4	1.8	1.3	1.4	.9
	13 years old	3.6	4.5	3.9	3.2	2.7
	14 years old	7.7	8.4	8.1	6.9	7.2
	15 years old	10.4	4.1	14.2	12.8	11.4
	16 years old	7.9	.2	5.5	14.6	13.8
	17 years old or older	4.3		.3	4.1	15.5
Male	Total	100.0	100.0	100.0	100.0	100.0
	I have never had sexual intercourse	64.4	75.4	67.8	59.9	51.5
	11 years old or younger	2.8	4.5	2.8	1.9	1.6
	12 years old	2.3	3.3	2.0	2.0	1.9
	13 years old	3.9	4.6	3.7	3.8	3.2
	14 years old	6.6	8.2	7.7	5.5	4.7
	15 years old	8.4	3.9	11.3	10.3	8.4
	16 years old	6.8	.2	4.8	12.0	11.9
	17 years old or older	4.8	.0	.1	4.6	16.7

**Q79 How old were you when you had sexual intercourse for the first time?**
Counts
		TOTAL	Grade
		TOTAL	9th	10th	11th	12th
TOTAL		22,913	7,002	6,070	6,380	3,461
I have never had sexual intercourse		14,387	5,195	3,897	3,652	1,643
11 years old or younger		458	219	126	78	35
12 years old		438	189	102	107	40
13 years old		887	333	238	212	104
14 years old		1,638	574	469	388	207
15 years old		2,100	280	750	708	362
16 years old		1,607	13	308	824	462
17 years old or older		800	1	13	259	527
Refused/Unknown		598	198	167	152	81
Female	Total	11,597	3,632	3,016	3,218	1,731
	I have never had sexual intercourse	7,269	2,766	1,912	1,800	791
	11 years old or younger	143	73	40	22	8
	12 years old	174	73	43	45	13
	13 years old	435	166	121	101	47
	14 years old	914	317	251	220	126
	15 years old	1,195	150	428	397	220
	16 years old	861	7	154	456	244
	17 years old or older	380		7	123	250
	Refused/Unknown	226	80	60	54	32
Male	Total	11,316	3,370	3,054	3,162	1,730
	I have never had sexual intercourse	7,118	2,429	1,985	1,852	852
	11 years old or younger	315	146	86	56	27
	12 years old	264	116	59	62	27
	13 years old	452	167	117	111	57
	14 years old	724	257	218	168	81
	15 years old	905	130	322	311	142
	16 years old	746	6	154	368	218
	17 years old or older	420	1	6	136	277
	Refused/Unknown	372	118	107	98	49