The newest separate variable try years at first sexual intercourse’
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Research have been taken from brand new 2011 Multiple Indication People Questionnaire (MICS) in the Vietnam. So it mix-sectional survey was used by General Analytics Place of work off Vietnam on the fresh new national top to own metropolitan and rural section as well as Vietnam’s half dozen countries: Reddish Lake Delta, Northern Midlands and Slope section, Northern Central city and Central Seaside city, Main Highlands, South east, additionally the Mekong River Delta. Two-stage strata (metropolitan and you may outlying) sampling was used to select 12,000 domestic agencies where eleven,642 was in fact introduce during the time of the new survey. The initial phase try achieved with the probability proportional so you’re able to size testing approach. Leer más