APPENDIX B: NUTRITION, DIET AND EXERCISE


APPENDIX B: SYNOPSIS OF YRBS RESULTS, 1991 THRU 1999
[NOTE: YRBS results from 1991-1993 are not necessarily comparable with later years because of differences in sampling methods and editing.]

NUTRITION, DIET AND EXERCISE
	1991	1993	1995	1997	1999
	%	%	%	%	%
BODY IMAGE AND DIETING
OREGON*
Describe your weight: slightly or very underweight	18	19	18	18	16
Describe your weight: slightly or very overweight	33	34	29	29	30
Were attempting weight loss	40	41	42	42	47
Exercised to lose weight or keep from gaining weight, past 30 days	na	na	54	54	55
Ate less food, fewer calories, or foods low in fat to lose or keep from gaining weight, past 30 days	na	na	27	28	39
Took any diet pills to lose weight or keep from gaining weight, past 30 days	na	na	5	5	6
Vomited or took laxatives to lose or keep from gaining weight, past 30 days	na	na	5	5	4
U.S. DATA**
Describe your weight: slightly or very underweight					16
Describe your weight: slightly or very overweight	32	34	28	27	30
Were attempting weight loss	42	40	41	40	43
Exercised to lose weight or keep from gaining weight, past 30 days	na	na	51	52	58
Ate less food, fewer calories, or foods low in fat to lose or keep from gaining weight, past 30 days	na	na	31	30	40
Took any diet pills to lose weight or keep from gaining weight, past 30 days	na	na	5	5	8
Vomited or took laxatives to lose or keep from gaining weight, past 30 days	na	na	5	5	5

PHYSICAL ACTIVITY/EXERCISE
OREGON*
Participated in vigorous physical activity, past 7 days	na	70	69	64	72
Played on sports teams, past 12 months	na	55	56	55	58
U.S. DATA**
Participated in vigorous physical activity, past 7 days	na	66	64	64	65
Played on sports teams, past 12 months	44	49	50	50	55

* Oregon data is unweighted % for years 1991 and 1993 and weighted % for years 1995, 1997, and 1999

**CDC data is weighted for all years

Activities that caused sweating and hard breathing for 20 or more minutes on 3 or more of the 7 days preceding survey.

NUTRITION, DIET AND EXERCISE