Which declaration is especially considering study on 6,141 women in the female respondent document of the 2017–2019 NSFG and expert-vides an upgrade out of a young 2015–2017 NSFG writeup on current birth control status (4). S. women aged fifteen–44. The new fieldwork package, interview fraud-tent, or other questionnaire tips resemble past surveys (5). NSFG try jointly structured and you may funded of the Federal Cardiovascular system to possess Fitness Analytics (NCHS) and many other companies of your own You.S. Department off Health insurance and Individual Features. Most of the estimates contained in this report try weighted in order to echo the female family population old 15–49 of Us in the midpoint regarding 2017–2019 choosing ( NSFG is actually 63.4% complete, 65.2% to possess female participants, and you may 61.4% to own men respondents.

Statistics for this declaration was indeed put utilizing the Survey steps in the SAS software version nine.cuatro. Rates was com-pared playing with a couple of-tailed t examination in the 5% level. Zero improvements were made having numerous evaluations. Questionnaire clusters without strata were utilized while the quantities of independence to possess advantages testing off pairwise evaluations. A beneficial adjusted minimum squares lso are-gression was used to check on to own linear style all over years and you can studies with the level of groups minus two once the de–grees regarding freedom. When the no linear trend are found round the many years and you can studies, minimal pairwise contrasting have been examined. Statis-tical ability to position differences between groups try limited for some evaluations. The info displayed within this declaration are bivariate relationships that will become told me of the additional factors maybe not regulated to possess regarding rates or as part of the report. (more…)