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Data was indeed taken from new 2011 Numerous Indication People Survey (MICS) from inside the Vietnam. That it mix-sectional survey was presented by the Standard Analytics Office out-of Vietnam within the new national level to possess urban and you will rural areas and also for Vietnam’s six regions: Red-colored River Delta, North Midlands and Hill parts, North Central area and Main Coastal urban area, Main Highlands, South-east, and Mekong Lake Delta. Two-phase strata (metropolitan and you will outlying) testing was applied to pick several,000 household representatives of which 11,642 have been establish in the course of the fresh questionnaire. The original stage is actually carried out utilising the possibilities proportional to dimensions sampling means. In the next stage, 20 house inside chose census enumeration elements have been picked at random regarding the range of all of the house. Throughout the interviewed households, eleven,663 of a dozen,115 female (aged fifteenforty-two ages) completed the brand new interview. Once excluding several women who got lost data getting years in the first sexual intercourse, all in all, 8,791 women that claimed having had sexual intercourse was basically chosen to possess which data. Analysis had been amassed ranging from .
The question familiar with derive it variable was, How old was basically you once you got sexual intercourse to your very first time?’ The new variable are labeled for the five groups: 1) old between ten and you will fourteen; 2) aged anywhere between fifteen and you may 19; 3) old ranging from 20 and you can 24; 4) aged anywhere between 25 and you will 42; 5) new site category, very first intercourse that have husband.
New binary created varying is actually multiple’ (i.e. over several) sexual partners along side existence (n=8,790). The question always obtain this varying was, Overall, that have exactly how many different people have you got sexual intercourse inside the your life?’
Sociodemographic products always describe the study try was: age bracket (1519 age, 2024 ages, 2531 many years, 3034 age, 3539 age, 4044 age and you will forty five49 many years); large educational level (preschool, no. 1, down secondary, top secondary, professional school, college/university); dining room (urban, rural); part (Red Lake Delta; Northern Midlands and you can Mountain section; Northern Central town and you can Main Seaside urban area; Main Highlands; South east as well as the Mekong Lake Delta); relationship reputation (already hitched, living with men, never ever married or not from inside the partnership); husband otherwise lover got most other wives (sure or no); level of husband’s most other spouses (continuing variable); coping with people sons or daughters (yes if any); ethnicity of one’s family direct (Kinh or low-Kinh) and you may domestic wide range quintiles (poorest, second, middle, next, and you can wealthiest quintile). In order to obtain the household riches quintiles, dominant parts study is actually did by using possessions associated with the house money as follows: drinking water provide, restroom business, casing, stamina designs for cooking, power, checking account, sturdy products (for example broadcast, Television, fridge, fixed telephone, view, mobile phone, bike, bicycle, motorboat with motor, and vehicles), pets (instance buffalo, cattle, pony, donkey, goat, sheep, poultry, and you can pig). The research test has also been described because of the many years to start with sexual intercourse, condom play with through the first sexual intercourse (sure, zero, otherwise dont contemplate), and based adjustable, one or more sexual spouse along the existence. Findings and you may percent having 95% count on times (CIs) try stated .
Multivariable logistic regression is actually carried out to describe association ranging from early sexual initiation and you may multiple sexual lovers along the lifestyle
About three designs are shown. Design 1 are unadjusted as we grow old at first sexual intercourse due to the fact the latest separate adjustable therefore the source category, very first sex that have current companion. Model 2 modified getting age (source classification: 1519 ages), ethnicity of home direct (reference: non-Kinh), studies (reference: number 1 otherwise faster), relationship position (resource currently hitched), living with pupils (reference: way of living by yourself) Chino bride, exactly how many husband’s almost every other spouses (continuing varying), and home riches quintiles (reference: poorest). Model 3 on top of that modified to possess kitchen and you can part. Statistical importance try set within p Dining tables 1 and ? and2. 2 . Women aged 1519, 2024, 2529, 3034, 3539, 4049, and forty five44 constituted 2.0%, nine.6%, 17.6%, 18.8%, 18.1%, 18.3%, and fifteen.7% of the data inhabitants, respectively. Nearly half the women done down additional knowledge (forty-two.5%), and for 20.8% of females first is actually its high number of specialized degree; just 10.3% of females studied within school, and you may 6% of females attended elite group colleges. The amount of feminine residing in towns try step 3,737 (42.5%), whereas there are 5,054 women located in outlying elements (57.5%). All participants have been currently ple got house heads regarding Kinh ethnicity. One of 204 women who said towards the amount of previous spouses one their husbands got had, 69.3% stated one almost every other partner.