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    Home / Central Data Catalog / IPUMS / BFA_2010_DHS_V01_M_V02_A_IPUMS / variable [B]
ipums

Demographic and Health Survey 2010 - IPUMS Subset

Burkina Faso, 2010
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Reference ID
BFA_2010_DHS_v01_M_v02_A_IPUMS
Producer(s)
Institut National de la Statistique et de la Démographie (INSD), Ministère de l’Économie et des Finances [Burkina Faso] and ICF International., Minnesota Population Center
Collection(s)
Integrated Public Use Microdata Series (IPUMS) Fragility, Conflict and Violence
Metadata
Documentation in PDF DDI/XML JSON
Created on
Aug 15, 2018
Last modified
May 14, 2020
Page views
58104
  • Study Description
  • Data Description
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  • Data files
  • BFA2010-B.dat
  • BFA2010-C.dat
  • BFA2010-H.dat
  • BFA2010-M.dat
  • BFA2010-W.dat

Respondent's date of birth, in century months (B_DOBCMC)

Data file: BFA2010-B.dat

Overview

Type: Continuous
Decimal: 0
Start: 242
End: 245
Width: 4
Range: -
Format: Numeric

Questions and instructions

Literal question
102. In what month and year were you born?

MONTH______
DOESN'T KNOW MONTH 98

YEAR_____
DOESN'T KNOW YEAR 9998

Description

Definition
DOBCMC (V011) reports the century month code (CMC) for the woman's date of birth.

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 - ( ( 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
Core demographic Variables -- TOPICS IPUMS

Imputation and derivation

Derivation
DOBCMC (V011) is a 4-digit variable.
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