A literature review identified sociodemographic variables, sexual history variables, and childhood characteristics associated with age at first intercourse and/or sexual partnering to be considered as potential confounders. We examined self-reported race [26-28] (white, non-Hispanic, black, non-Hispanic, Hispanic, or other, non-Hispanic), age at interview (21–24 years, 25–29 years, 30–34 years, 35–39 years, or 40–44 years), respondent’s education attainment (less than high school, high school graduate, or at least some college), current household income as a percentage of the federal poverty level (FPL) (<100% FPL, 100-199% FPL, ?200% FPL), and marital status (never married, currently married or cohabitating, or formerly ily factors, including socioeconomic status during childhood [29,30], are associated with earlier sexual intercourse [25,31] and more risky sexual practices including increased number of lifetime sex partners,[25,30] we considered these variables as potential confounders. Socioeconomic status during childhood was captured by self-reported highest level of parental education for both mother and father (less than high school, high school graduate, or at least some college). For paternal education only, “no father figure” was retained as a valid category. Absence of a father in the home has meaning as a proxy for childhood socioeconomic status .
Condom use in going back season among participants with the NSFG is counted with the concern,“ Convinced right back for the past 1 year, do you say you really have made use of a beneficial condom along with your partner getting sexual activity anytime, usually, about half of the time, a number of the day or none of time”.
Data
So you can be the cause of the latest complex testing construction and weighting of your own NSFG, SUDAAN (observar. 11, Search Triangle Institute, NC, adventist singles isim deÄŸiÅŸtirme USA) was utilized. We described the fresh new sociodemographic variables over the four-level intimate integrating outcome adjustable: concurrent partnerships, serial monogamy with a-1–step 3 month gap, serial monogamy which have ?cuatro times pit, and you may monogamous (referent). Chi-square was applied to test to own a big difference in size. To guess the brand new organization between time out of sexual first and you can sexual integrating during the adulthood when you are on top of that changing having confounders, we conducted polytomous logistic regression. Basic, a crude design is made. Following we thought sociodemographic variables and you can youthfulness points just like the prospective confounders using an enthusiastic iterative way of discover hence details confounded the fresh new relationship ranging from time off intimate debut and you can intimate partnering. Although we believed parameters that altered the chances proportion to own sexual integrating by more ten% as the matter confounders, we incorporated all-potential confounders throughout the finally models when no loss of accuracy is knew to reduce the possibility for residual confounding. We derived chance ratios (OR) and you will modified Or (aOR) and you can 95% trust periods (CI) because of these activities.
Overall performance
Concurrent partnerships in before interview was in fact advertised of the 5.2% (n = 478) of women. Serial monogamy try said by all in all, 4% of females (n = 363), 2.5% which have gaps anywhere between lovers 1–ninety days and you can 1.5% with gaps ?4 months. Of women reporting serial monogamy, twenty-five.9% reported 30 days gap anywhere between lovers, 20.2% stated a few months, 16.9% advertised 90 days, 19.9% reported 4–5 weeks as well as the 17.1% stated ? 6 months anywhere between people.
The mean age at first intercourse for women was 17.6 years (SE = 0.09). Women reporting concurrent partnerships in the last year had the youngest mean age at first intercourse (16.0 year; SE = 0.19) compared to serially monogamous women with 1–3 month gap (mean: 16.9 years; SE = 0.34), serially monogamous women with ?4 months gap (mean: 17.1 years; SE 0.25) and monogamous women (mean: 17.7 years; SE = 0.09). Figure 2 shows the percentage of women with younger, average, and older age at first intercourse by sexual partnering status; 25% of women in concurrent partnerships were <15 years of age at first sex, compared to 21% of serially monogamous women with 1–3 month gaps, 9.1% of serially monogamous women with ?4 month gaps and 11% of monogamous women. The median number of lifetime partners was 4 (Interquartile Range (IQR): 1–7). Concurrent women had the highest median number of lifetime partners (Median = 10; IQR = 6–20) followed by serially monogamous with 1–3 month gaps (Median = 7; IQR = 5–14), serially monogamous women with ?4 month gaps (Median = 7; IQR = 4–11) and finally monogamous women (Median: 3; IQR: 1–6). Nearly a quarter of women in each sexual partnering group (23% concurrent; 25% gap of 1–3 months between partners, 25% gap ? 4 months between partners) reported never using a condom in the prior year.