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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 5683 Documentation in PDF Metadata DDI/XML JSON
  • Study description
  • Data Description
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  • Data files
  • PAK2017-B.dat
  • PAK2017-C.dat
  • PAK2017-H.dat
  • PAK2017-M.dat
  • PAK2017-W.dat
CSV JSON

Century month date of interview (B_INTDATECMC)

Data file: PAK2017-B.dat

Overview

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

Questions and instructions

Literal question
INTERVIEWER VISITS

FIRST VISIT
DATE _______
INTERVIWER'S NAME _______
RESULT* ______
NEXT VISIT DATE _____
TIME ______

SECOND VISIT
DATE _______
INTERVIWER'S NAME _______
RESULT* ______
NEXT VISIT DATE _____
TIME ______

THIRD VISIT
DATE _______
INTERVIWER'S NAME _______
RESULT* ______
NEXT VISIT DATE _____
TIME ______

FINAL VISIT
DAY _____
MONTH ______
YEAR _____
INT. NO. _______
RESULT* _______

TOTAL NUMBER OF VISITS _________

*RESULT CODES

1 COMPLETED
2 NOT AT HOME
3 POSTPONED
4 REFUSED
5 PARTLY COMPLETED
6 INCAPACITATED
7 OTHER (SPECIFY) _________

Description

Definition
INTDATECMC (V008) reports century month code for the date on which the interview took place.

Century month codes (CMC) are particularly useful for 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 minus ( ( Year - 1900 ) * 12 )

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

The century month codes reported in INTDATECMC are calculated using the Gregorian calculator.

concept

Concept
var_concept.title Vocabulary
Survey dates Variables -- TOPICS IPUMS

Imputation and derivation

Derivation
INTDATECMC (V008) is a 4-digit variable.
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