The new independent varying is ages at first sexual intercourse’

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Investigation was in fact obtained from the new 2011 Multiple Signal Group Questionnaire (MICS) for the Vietnam. That it cross-sectional questionnaire are held because of the General Analytics Place of work from Vietnam from the the latest federal level for metropolitan and rural portion as well as Vietnam’s six regions: Purple Lake Delta, Northern Midlands and you will Hill components, Northern Main town and you can Central Coastal area, Main Highlands, South east, in addition to Mekong Lake Delta. Two-stage strata (metropolitan and you can rural) sampling was applied to select a dozen,000 domestic agents at which eleven,642 was in fact expose during the time of brand new questionnaire. The original stage are carried out with the probability proportional so you can size testing method. In the next phase, 20 home in chose census enumeration components have been chosen at random regarding the set of every houses. From the interviewed properties, eleven,663 from twelve,115 female (aged 1544 many kissbridesdate.com why not look here years) complete the newest interviews. Just after excluding a couple ladies who got missing analysis for ages during the very first sexual intercourse, a maximum of 8,791 women who stated with got sexual intercourse was basically chose to own so it study. Investigation have been collected ranging from .

The question used to derive so it varying are, What age was in fact you once you had sexual intercourse into the first time?’ This new changeable try categorized into the four classes: 1) old anywhere between 10 and you will fourteen; 2) old anywhere between 15 and 19; 3) old anywhere between 20 and 24; 4) old between 25 and you will 42; 5) the fresh new source category, basic intercourse with spouse.

Brand new binary based variable try multiple’ (i.e. more two) sexual people over the existence (n=8,790). The question regularly obtain which varying was, As a whole, with just how many differing people have you ever got sexual intercourse during the yourself?’

Sociodemographic items regularly define the study test was: generation (1519 years, 2024 many years, 2530 decades, 3034 ages, 3539 many years, 40forty-two age and forty-five49 years); large informative top (kindergarten, top, down secondary, top secondary, top-notch college or university, college/university); living area (urban, rural); area (Yellow River Delta; Northern Midlands and Hill components; North Central city and you may Central Coastal city; Main Highlands; South-east in addition to Mekong River Delta); relationship position (currently partnered, managing men, never ever hitched or not in the partnership); partner or lover got most other spouses (yes or no); level of husband’s other spouses (carried on variable); living with people sons or daughters (yes if any); ethnicity of your own domestic lead (Kinh otherwise low-Kinh) and you will house wide range quintiles (poorest, 2nd, middle, next, and you will richest quintile). To help you derive the household money quintiles, prominent component investigation is did by using property with the home riches as follows: liquids supply, restroom facility, housing, fuel versions to cook, stamina, checking account, tough products (including broadcast, Television, refrigerator, fixed cell, view, smartphone, bicycle, motorcycle, ship which have motor, and you can vehicles), animals (such as buffalo, cattle, pony, donkey, goat, sheep, chicken, and you can pig). The research try has also been revealed by years at first sexual intercourse, condom play with throughout basic sexual intercourse (sure, no, or do not consider), plus the built varying, more than one sexual lover along side lifetime. Observations and you will percent which have 95% trust times (CIs) are stated .

Multivariable logistic regression was carried out to describe relationship ranging from very early sexual initiation and you will several sexual couples over the life

Around three designs are shown. Design step 1 is actually unadjusted with age in the beginning sexual intercourse since the the fresh new independent adjustable and also the reference category, earliest sex that have most recent spouse. Model dos adjusted for years (resource category: 1519 decades), ethnicity out-of family lead (reference: non-Kinh), education (reference: first or faster), marital updates (source currently hitched), living with students (reference: life style by yourself), exactly how many partner’s most other wives (carried on adjustable), and you can household wealth quintiles (reference: poorest). Design step three likewise adjusted getting living area and you may region. Analytical value try lay from the p Tables step one and you will ? and2. dos . Female old fifteen19, 2024, 2531, 3034, 3539, 4049, and you can forty five44 constituted dos.0%, 9.6%, 17.6%, 18.8%, 18.1%, 18.3%, and you can fifteen.7% of research population, correspondingly. Nearly half the ladies complete down additional education (forty-two.5%), as well as for 20.8% of women top are its large number of formal degree; merely 10.3% of women analyzed in the school, and you may six% of females went to elite schools. How many women living in urban areas is actually step 3,737 (42.5%), while there are 5,054 feminine living in rural elements (57.5%). Most of the participants was indeed already ple had home heads out-of Kinh ethnicity. Among 204 women who advertised with the quantity of prior spouses one its husbands had got, 69.3% said only one most other spouse.