Demographic and Health Survey 2017-2018 - IPUMS Subset

Pakistan, 2017 - 2018

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Reference ID

PAK_2017_DHS_v01_M_v01_A_IPUMS

Producer(s)

National Institute of Population Studies (NIPS) [Pakistan], and ICF., Minnesota Population Center

Collection(s)

Integrated Public Use Microdata Series (IPUMS)

Metadata

Documentation in PDF DDI/XML JSON

Created on

May 01, 2020

Last modified

May 14, 2020

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35873

Century month date of interview (B_INTDATECMC)

Data file: PAK2017-B.dat

Overview

Type: Continuous

Decimal: 0

Start: 202

End: 205

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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