Certainly additional information, NSFG will bring more information in the birth control have fun with one of U
So it report is principally predicated on data about six,141 feamales in the female respondent document of the 20172019 NSFG and expert-vides an upgrade regarding an early on 20152017 NSFG overview of newest birth control position (4). S. feminine old 15forty-two. The newest fieldwork plan, interviews fraud-tent, and other questionnaire actions are like earlier studies (5). NSFG is actually as one arranged and you can financed by the Federal Center to own Wellness Analytics (NCHS) and several other companies of the You.S. Institution out-of Health insurance and Person Properties. Most of the rates inside declaration try adjusted to help you reflect the female domestic populace old fifteenforty two of All of us at midpoint out of 20172019 interviewing ( NSFG is 63.4% overall, 65.2% getting feminine participants, and you may 61.4% for men participants.
Statistics for it declaration was in fact produced with the Survey strategies for the SAS software adaptation 9.4. Rates was com-pared using a couple-tailed t evaluating from the 5% height. Zero customizations were made getting multiple comparisons. Survey groups without strata were utilized just like the amounts of independence to possess significance review of pairwise reviews. A beneficial adjusted least squares re also-gression was used to evaluate having linear fashion round the decades and you may degree utilising the quantity of kinds minus two as the de–grees of liberty. When the zero linear trend is actually located all over years and education, restricted pairwise evaluations were examined. Statis-tical capacity to select differences between organizations was limited for some comparisons.
