Samoa Demographic and Health Survey 2009

Samoa, 2009

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Reference ID

WSM-SBS-DHS-2009-v1

Producer(s)

Samoa Bureau of Statistics, Ministry of Health

Metadata

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Created on

May 20, 2025

Last modified

May 26, 2025

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9532

Respondent's current age (V012)

Data file: SamDHS09rcdWN

Overview

Valid: 0

Invalid: 0

Type: Continuous

Decimal: 0

Start: 52

End: 53

Width: 2

Format: Numeric

Description

Definition

Current age in completed years is calculated from the century month code of the date of birth of the respondent (V011) and the century month code of the date of interview (V008). In a few cases the age in the data file will be different from that reported by the respondent when the respondent's birthday was in the month of interview, but she had not yet had her birthday. If the respondent correctly reported her age at her last birthday (and not her age at her next birthday) then the calculated age was rounded up from the reported age, to avoid inconsistencies between the age and the century month code for the birth.

Others

Notes

Century Month Code

A century month code (CMC) is the number of the month since the start of the century. For example, January 1900 is CMC 1, January 1901 is CMC 13, January 1980 is CMC 961, and September 1994 is CMC 1137. The CMC for a date is calculated from the month and year as follows:

CMC = (YY * 12) + MM for month MM in year 19YY.

To calculate the month and year from the CMC use the following formulae:
YY = int((CMC - 1) / 12)
MM = CMC - (YY * 12)

For Dates in 2000 and after the CMC is calculated as follows: CMC = ((YYYY-1900) * 12) + MM for month MM in year YYYY.

To calculate the month and year from the CMC use the following formulae:
YYYY = int((CMC - 1) / 12)+1900
MM = CMC - ((YYYY-1900) * 12)

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