Procedures
Investigation was indeed extracted from the new 2011 Numerous Sign Team Survey (MICS) during the Vietnam. That it get across-sectional questionnaire is presented of the Standard Statistics Workplace out-of Vietnam during the this new national peak getting urban and you can outlying components and Vietnam’s half a dozen places: Yellow River Delta, North Midlands and you may Hill areas, North Central urban area and you will Main Coastal urban area, Main Highlands, South-east, in addition to Mekong Lake Delta. Two-phase strata (urban and you can outlying) testing was applied to select 12,000 house representatives from which 11,642 was basically establish at the time of the newest survey. The initial phase is carried out making use of the probability proportional so you’re able to dimensions sampling approach. On next stage, 20 houses during the selected census enumeration parts was picked at random on set of the properties. From the interviewed domiciles, 11,663 out-of a dozen,115 women (old fifteenforty two years) accomplished new interview. Just after leaving out two women who got destroyed research to possess years at very first sexual intercourse, a total of 8,791 ladies who said having had sexual intercourse was indeed picked getting this analysis. Study was indeed built-up between .
Issue accustomed get that it changeable is, How old have been you once you had sexual intercourse towards the very first time?’ New varying is actually labeled to your five groups: 1) old ranging from 10 and fourteen; 2) aged ranging from fifteen and 19; 3) aged anywhere between 20 and 24; 4) aged ranging from twenty-five and you hottest Natori women will 42; 5) the newest reference group, earliest intercourse which have partner.
The fresh binary built variable try multiple’ (i.e. more one or two) sexual couples over the existence (n=8,790). Issue used to get which changeable was, In total, which have just how many each person maybe you’ve got sexual intercourse in everything?’
Sociodemographic activities accustomed define the research test try: age bracket (1519 years, 2024 many years, 2530 decades, 3034 ages, 3539 age, 4049 decades and you can forty-fiveforty two years); highest instructional top (preschool, number 1, down secondary, top additional, professional college or university, college/university); dining area (metropolitan, rural); part (Purple Lake Delta; North Midlands and you may Hill elements; Northern Central urban area and Central Coastal area; Main Highlands; South-east together with Mekong Lake Delta); marital updates (currently partnered, coping with a guy, never ever hitched or otherwise not inside commitment); husband or lover got other wives (yes or no); number of husband’s most other wives (continuous changeable); coping with people sons or daughters (yes if any); ethnicity of your household direct (Kinh or non-Kinh) and you may home money quintiles (poorest, next, middle, 4th, and you can wealthiest quintile). To derive the family wide range quintiles, principal role data is actually performed by using property of this household money the following: drinking water supply, toilet studio, homes, energy brands to cook, energy, family savings, durable products (such as broadcast, Tv, ice box, repaired telephone, view, cellphone, bike, bike, boat having motor, and you will vehicles), dogs (like buffalo, cows, horse, donkey, goat, sheep, poultry, and you can pig). The analysis take to has also been revealed by the age in the beginning sexual intercourse, condom play with through the first sexual intercourse (sure, zero, otherwise do not think of), plus the mainly based changeable, one or more sexual mate over the lives. Findings and you can rates with 95% trust periods (CIs) was stated .
Multivariable logistic regression are carried out to describe association anywhere between very early sexual initiation and you may multiple sexual people across the lives
Three designs are offered. Model 1 is unadjusted as we grow old initially sexual intercourse once the the latest independent variable and also the reference category, very first sex with current companion. Design dos adjusted getting decades (resource group: 1519 decades), ethnicity of house direct (reference: non-Kinh), degree (reference: number 1 or less), relationship condition (site currently partnered), managing pupils (reference: way of living by yourself), exactly how many partner’s almost every other spouses (persisted variable), and you will domestic wealth quintiles (reference: poorest). Model 3 as well adjusted to own dining area and region. Mathematical importance are lay on p Dining tables step one and you will ? and2. 2 . Feminine old fifteen19, 2024, 2530, 3034, 3539, 40forty two, and you will 4549 constituted dos.0%, nine.6%, 17.6%, 18.8%, 18.1%, 18.3%, and you may fifteen.7% of investigation people, correspondingly. Almost half of the ladies accomplished lower additional training (forty two.5%), and 20.8% of females number 1 is the high quantity of official knowledge; just 10.3% of females read on college or university, and you will six% of women attended elite group schools. How many women located in cities try step 3,737 (42.5%), while there had been 5,054 women residing in outlying portion (57.5%). All members had been currently ple got house brains from Kinh ethnicity. Certainly one of 204 ladies who reported into number of prior spouses one its husbands got had, 69.3% stated only one almost every other partner.