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    Home / Central Data Catalog / IPUMS / PAK_2017_DHS_V01_M_V01_A_IPUMS / variable [B]
ipums

Demographic and Health Survey 2017-2018 - IPUMS Subset

Pakistan, 2017 - 2018
Integrated Public Use Microdata Series (IPUMS)
National Institute of Population Studies (NIPS) [Pakistan], and ICF., Minnesota Population Center
Created on May 14, 2020 Last modified May 14, 2020 Page views 6258 Documentation in PDF Metadata DDI/XML JSON
  • Study description
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  • PAK2017-B.dat
  • PAK2017-C.dat
  • PAK2017-H.dat
  • PAK2017-M.dat
  • PAK2017-W.dat
CSV JSON

Date of first marriage or cohabitation (CMC) (B_MAR1STCMC)

Data file: PAK2017-B.dat

Overview

Type: Discrete
Decimal: 0
Width: 4
Range: -
Format: Numeric

Questions and instructions

Literal question
710) CHECK 709:

MARRIED/LIVED WITH A MAN ONLY ONCE: a) In what month and year did you start living with your husband?

MARRIED/LIVED WITH A MAN MORE THAN ONCE: b) Now I would like to ask about your first husband. In what month and year did you start living with him?

MONTH _____
DON'T KNOW MONTH 98
YEAR ____ (GO TO 712)
DON'T KNOW YEAR 9998
Categories
Value Category
9996 Not consummated
9997 Don't know
9998 Missing
9999 NIU (not in universe)
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.

Description

Definition
MAR1STCMC (V509) reports the century month code (CMC) for the date of the woman's first marriage or cohabitation.

Century month codes (CMC) are particularly useful checking the consistency of dates, calculating intervals between events, and imputing dates when the information for an event is missing or partially complete.

Century month codes (CMC) are calculated by multiplying by 12 the difference between the year of an event and 1900. The year 1900 was chosen as the reference period because all of the DHS-relevant events occurred during the twentieth or twenty-first centuries. The month of the event is added to the previous result.

CMC = (Year - 1900) * 12 + Month

For example, the CMC for June 2002 is:

CMC = (2002 - 1900) * 12 + 6 = 1230

In other words, 1,230 months have elapsed between January 1900 and June 2002. Starting with CMC figures, one can calculate the month and year using the following formulas:

Year = int( ( CMC - 1 )/12 ) + 1900
[int(x) is the integer part of x]
Month = CMC - ( ( Year - 1900 ) * 12 )

The information above is based on "Online Guide to DHS Statistics" (Rutstein and Rojas, 2006) [URL omitted from DDI.].

concept

Concept
var_concept.title Vocabulary
Marriage and cohabitation Variables -- TOPICS IPUMS
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