TABLE 1—

Reporting of Accounting for Design Effects and Use of Sample Weights in Published Articles That Used Data From 3 Commonly Used Adolescent Health Surveys

	Articles That Reported Accounting for Design Effects and Use of Sample Weights, by Data Source		Articles That Reported Discordance Between Accounting for Design Effects and Use of Sample Weights, by Data Source		Articles That Reported Accounting for Design Effects and Use of Sample Weights, by Author Affiliationa
Survey	Design Effects, %	Sample Weights, %	Design Effects, No Sample Weight, %	Sample Weights, No Design Effects, %	Design Effects, Internal Affiliate, %	Design Effects, No Affiliation, %	Sample Weights, Internal Affiliate, %	Sample Weights, No Affiliation, %
Add Health	65	61	12	7	67	65	72	59
MTF	27	50	2	25	48	12	74	33
YRBS	65	80	1	16	97	50	100	71

Note. Add Health = National Longitudinal Study of Adolescent Health; MTF = Monitoring the Future; YRBS = Youth Risk Behavior Surveillance System. The articles (n = 1003) were published between 1995 and 2010.

^a“Internal affiliate” indicates that authors were part of the research team that designed the study or collected the data, or worked for an organization responsible for managing the research and data.