1999 YRBS Middle School Survey Data

Oregon Youth Risk Behavior Survey (YRBS)

1999 Middle School YRBS Questions

**Q63. How old were you when you had sexual intercourse for the first time?**
Weighted Column Percents
		TOTAL	Grade
		TOTAL	6th grade	7th grade	8th grade
TOTAL		100.0		100.0	100.0
I have never had sexual intercourse		86.5		88.9	83.4
11 years old or younger		3.6		4.1	2.9
12 years old		3.2		3.6	2.8
13 years old		4.8		3.2	6.8
14 years old		1.8		.2	4.0
15 years old		.1		.1	.2
Female	Total	100.0		100.0	100.0
	I have never had sexual intercourse	90.0		92.4	86.9
	11 years old or younger	2.0		2.5	1.5
	12 years old	2.6		2.8	2.3
	13 years old	3.9		2.1	6.2
	14 years old	1.4		.1	3.0
	15 years old	.1		.2	.0
Male	Total	100.0		100.0	100.0
	I have never had sexual intercourse	82.9		85.3	79.8
	11 years old or younger	5.1		5.8	4.3
	12 years old	3.9		4.3	3.2
	13 years old	5.7		4.4	7.4
	14 years old	2.3		.2	4.9
	15 years old	.1			.3

**Q63. How old were you when you had sexual intercourse for the first time?**
Frequencies
		TOTAL	Grade
		TOTAL	6th grade	7th grade	8th grade
TOTAL		18,419	4,635	5,263	8,521
I have never had sexual intercourse		9,258		4,053	5,205
11 years old or younger		367		185	182
12 years old		334		165	169
13 years old		570		158	412
14 years old		247		8	239
15 years old		13		2	11
Refused/Unknown		688		305	383
NA		6,942	4,635	387	1,920
Female	Total	9,293	2,305	2,681	4,307
	I have never had sexual intercourse	4,877		2,164	2,713
	11 years old or younger	112		63	49
	12 years old	140		68	72
	13 years old	238		59	179
	14 years old	95		1	94
	15 years old	4		2	2
	Refused/Unknown	288		131	157
	NA	3,539	2,305	193	1,041
Male	Total	9,126	2,330	2,582	4,214
	I have never had sexual intercourse	4,381		1,889	2,492
	11 years old or younger	255		122	133
	12 years old	194		97	97
	13 years old	332		99	233
	14 years old	152		7	145
	15 years old	9			9
	Refused/Unknown	400		174	226
	NA	3,403	2,330	194	879