13 7월 Survey actions for the federal and county studies was in fact built to protect students’ privacy by permitting anonymous and voluntary contribution
Local adult permission measures had been used just before survey government. People finished the fresh new thinking-given questionnaire during the one class period and you can submitted their responses directly to the a computer-scannable booklet or respond to sheet. For every single questionnaire provided another question to determine incidence out-of actually having had sexual intercourse: “Have you ever got intercourse?” Reaction selection was “yes” and you will “no.” No meaning having intercourse was considering.
Into the federal YRBS, prevalence prices was indeed computed total by amount (9th, tenth, 11th, otherwise twelfth), sex (man or woman), and you may competition/ethnicity (non-Latina white [white], black, otherwise Hispanic). On state YRBSs, frequency quotes have been computed by the levels. Mathematical application was used to help you take into account brand new complex decide to try activities during analyses.
Logistic regression analyses were used so you're able to take into account all readily available estimates; control for changes in gender, amounts, and competition/ethnicity over the years; and you can evaluate mathematically high (p
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