Repository and techniques

The brand new 2015–2017 NSFG is the basic analysis file put out while the decades variety was stretched from fifteen–49 to help you fifteen–49 in . Some estimates of most recent birth prevention explore towards the 15–49 a long time to possess 2015–2017 analysis are supplied into NSFG trick analytics webpage in order to allow for reviews which have previous many years. Among other information, NSFG will bring more information about contraceptive use certainly You.S. female old 15–49. Brand new fieldwork plan, interviews posts, and other questionnaire strategies act like previous studies (5). NSFG try as one structured and you may financed by Federal Cardio for Wellness Statistics (NCHS) and several other businesses of your U.S. Agency away from Health and Peoples Attributes. Most of the rates inside statement is actually adjusted to reflect the feminine family inhabitants old 15–44 of the United states from the midpoint out of 2015–2017 interviewing ( [...]