Methods
Study had been taken from the new 2011 Multiple Indication People Questionnaire (MICS) during the Vietnam. It mix-sectional survey is conducted of the Standard Analytics Workplace of Vietnam on the brand new federal level getting metropolitan and you can outlying section as well as for Vietnam’s six countries: Yellow Lake Indianapolis, IN girls for marriage Delta, North Midlands and you may Hill elements, Northern Main town and you may Central Seaside urban area, Main Highlands, South-east, while the Mekong Lake Delta. Two-stage strata (urban and you can rural) testing was used to select several,000 family agencies at which eleven,642 was introduce at the time of the new questionnaire. The original phase is actually accomplished utilising the likelihood proportional so you’re able to dimensions sampling method. About 2nd phase, 20 houses in the chosen census enumeration areas was in fact chose at random in the listing of the houses. On questioned properties, eleven,663 regarding a dozen,115 feminine (aged fifteen44 decades) finished the newest interviews. Shortly after leaving out two ladies who got destroyed studies to possess years in the first sexual intercourse, a maximum of 8,791 ladies who said that have got sexual intercourse was indeed chose having that it analysis. Research have been compiled ranging from .
Issue regularly get which changeable try, How old were you once you had sexual intercourse towards the very first time?’ The latest adjustable is actually categorized with the five categories: 1) aged between ten and 14; 2) old between fifteen and you can 19; 3) old between 20 and you can 24; 4) old ranging from 25 and you may 42; 5) the source group, earliest intercourse with husband.
The new binary mainly based adjustable is actually multiple’ (i.age. more a few) sexual lovers across the existence (n=8,790). Practical question accustomed get that it varying are, Overall, with exactly how many differing people perhaps you have had sexual intercourse inside yourself?’
Sociodemographic things used to establish the research decide to try try: age group (1519 age, 2024 ages, 2529 years, 3034 years, 3539 decades, 4049 age and you will forty-fiveforty two ages); high informative height (preschool, no. 1, down secondary, higher secondary, elite college or university, college/university); dining room (metropolitan, rural); part (Purple River Delta; North Midlands and you will Mountain elements; North Central area and Central Seaside town; Central Highlands; South-east additionally the Mekong Lake Delta); marital position (currently married, living with one, never hitched or not in union); husband otherwise spouse got other spouses (sure or no); quantity of husband’s other wives (proceeded variable); coping with any sons or daughters (sure or no); ethnicity of household head (Kinh or non-Kinh) and domestic riches quintiles (poorest, 2nd, middle, next, and you may wealthiest quintile). So you’re able to derive your family money quintiles, prominent parts analysis was did by using possessions on the home wide range below: liquids provide, toilet facility, casing, strength sizes to cook, fuel, checking account, sturdy merchandise (particularly radio, Tv, fridge, repaired telephone, watch, mobile phone, bike, motorcycle, vessel having system, and you will vehicles), dogs (including buffalo, cattle, horse, donkey, goat, sheep, poultry, and pig). The study sample was also explained by age to start with sexual intercourse, condom have fun with through the basic sexual intercourse (sure, zero, otherwise dont remember), and centered changeable, several sexual companion over the lifetime. Observations and rates that have 95% believe durations (CIs) is actually said .
Multivariable logistic regression is actually accomplished to describe relationship between very early sexual initiation and several sexual people across the life
About three patterns are shown. Model step 1 are unadjusted as we grow older initially sexual intercourse as the the new independent variable as well as the resource group, first sex which have most recent companion. Design dos adjusted for decades (source category: 1519 years), ethnicity of domestic direct (reference: non-Kinh), studies (reference: primary otherwise smaller), marital status (source currently married), managing students (reference: way of life alone), the number of husband’s most other wives (proceeded varying), and you may home wide range quintiles (reference: poorest). Model 3 at the same time adjusted getting dining room and you may region. Analytical advantages is actually put at the p Dining tables step 1 and you can ? and2. 2 . Feminine aged fifteen19, 2024, 2530, 3034, 3539, 40forty-two, and you may 45forty-two constituted 2.0%, nine.6%, 17.6%, 18.8%, 18.1%, 18.3%, and you may 15.7% of one’s data populace, respectively. Nearly half of the women completed lower secondary studies (forty two.5%), as well as for 20.8% of females first is the high level of specialized education; only ten.3% of women learned within college or university, and you can 6% of women attended elite group universities. What amount of feminine staying in towns is step 3,737 (42.5%), while there had been 5,054 women residing in rural section (57.5%). The users had been already ple got household brains from Kinh ethnicity. Among 204 women who said toward amount of prior wives one the husbands got had, 69.3% claimed one other partner.
