Certain calculations-age-certain distributions of females with respect to the years difference in themselves in addition to their companion and the proportions within the for each and every subgroup having fun with a contraceptive for a change sex-had been oriented only toward NSFG studies. Since NSFG depends on a complex attempt (an effective stratified, multistage construction with individual sampling pricing), we utilized the computer software Stata so you’re able to perform evaluation away from advantages to possess mix-tabulations. twenty two
I utilized logistic regression to look at the connection of your services of females aged fifteen-17 into the probability you to the male lover is actually 3-five years older otherwise six or higher years avove the age of they was basically. The next logistic regression studies looked perhaps the features of women and the ages difference in women and their mate predict play with off a birth prevention for once gender. We made use of Stata so you’re able to assess screening off relevance for meetme these logistic regressions.
Every woman
•Intimate relationships. About half of all the intimately effective girls old 15-forty two within the 1995 had someone who was within this 24 months of the age (Table 1). Kids and you can women in the very early twenties had been probably be than elderly female for somebody in this 2 yrs of the age: The fresh proportion ong girls more youthful than just 18 to help you regarding fifty% one of ladies aged 25 otherwise older. Simply 10% of women old 15-44 for the 1995, and you will less than 1% regarding teenage lady, advertised a sexual mate who was simply over 2 years young than simply they certainly were.
Specific 37% of women old fifteen-19 and you may 38% of the many female aged fifteen-44 had somebody who was simply at least three-years older. Kids have been a lot more most likely than just more mature ladies for a beneficial mate who was step 3-5 years older than these were (29% of women more youthful than 18 and you can twenty six% of them old 18-19, compared to 18-21% off elderly females). Children were, however, even less most likely than just female old 20 otherwise elderly to have someone who had been half dozen or higher many years more than they was indeed. Merely eight% off sexually effective ladies more youthful than just 18 and you may eleven% of them aged 18-19 got someone half dozen or maybe more years elderly, compared with sixteen-22% of females aged 20 otherwise elderly.
Complete, the age differences between partners were similar having partnered women and you may single girls-about 50 % had somebody who had been within this 2 years out of how old they are, and you will almost five when you look at the 10 had somebody who was simply around three or more age older than they certainly were. But not, single people was in fact slightly more likely than just married ladies to possess somebody who had been around three or higher years more youthful than simply they was indeed (13% compared to. 8%).
The entire differences in years models between feamales in the young ones and you can early 20s and women old 25 otherwise earlier lead priong solitary women. There had been no high variations round the decades-groups certainly one of partnered women in if or not lady got somebody step 3-5 otherwise half a dozen or even more many years more than they were. Among single people, in addition, children was a whole lot more likely than just female old twenty-five-31 to own a partner who was step three-five years avove the age of these people were (a minumum of one from inside the five unmarried children, compared to fewer than one in four more mature lady). However, solitary kids had been significantly less most likely than just unmarried ladies old 25-31 to own a partner who was half dozen or more years older (6% of females more youthful than just 18 and you will eleven% ones old 18-19, compared with sixteen-30% away from old women).
Findings
•Maternity. A projected 5.step 3 billion female turned into pregnant inside 1994 and you can possibly provided delivery or had a caused abortion (Dining table dos). During the time of conception, specific 8% of them females was indeed younger than just 18 and you can nine% have been aged 18-19 (maybe not revealed). Almost 1 / 2 of (47%) of your women who became pregnant had been solitary at the time, together with 85% off expecting teenagers.