Guatemala

 The simplest method of collecting EquityTool data is to sign up to our web app. To use the EquityTool in DHIS2 or another data collection platform, you will need to download the supporting file. Click on your preferred data collection method and complete the form to receive the file via email. Please check your junkmail folder if you do not receive an email from us.

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EquityTool: Released May 30, 2017

Source data: Guatemala DHS 2015

 

# of survey questions in original wealth index: 36

# of variables in original index: 112

 

# of survey questions in EquityTool: 11

# of variables in EquityTool: 12

 

Questions:

Question Option 1 Option 2 Option 3
Q1 Does your household have… A refrigerator? Yes No
Q2 … A washing machine? Yes No
Q3 … A microwave? Yes No
Q4 … A computer? Yes No
Q5 Does any member of your household have a car or truck? Yes No
Q6 What type of toilet do members of your household typically use? Connected to sewer (not shared with others) Other
Q7 What is the main source of drinking water used by members of your household? Bottled Water Other
Q8 What type of fuel does your household mainly use for cooking? Propane Gas (LPG) Wood Other
Q9 What is the main material of the roof of your dwelling? Slab/ Terrace Other
Q10 What is the main material of the exterior walls of your dwelling? Cement block Other
Q11 What is the main material of the floor of your dwelling? Earth / Sand Other

 

Technical notes:

The standard simplification process was applied to achieve high agreement with the original wealth index. Kappa was greater than 0.75 for the national and urban indices. Details on the standard process can be found in this article. The data used to identify important variables comes from the factor weights released by ICF.

Level of agreement:

National Population

(n=21,383)

Urban only population

(n=9,462)

% agreement 87.4% 85.3%
Kappa statistic 0.803 0.771

 

Respondents in the original dataset were divided into three groups for analysis – those in the 1st and 2nd quintiles (poorest 40%), those in the 3rd quintile, and those in the 4th and 5th quintiles (richest 40%). After calculating their wealth using the simplified index, they were again divided into the same three groups for analysis against the original data in the full DHS. Agreement between the original data and our simplified index is presented above.

From our initial analysis, we arrived at 9 questions (10 variables) with which we could achieve kappa greater than 0.75, for both national and urban comparisons. However, we noticed that these 9 questions grouped together those in the bottom 2 quintiles. We added two more variables in order to better differentiate the bottom 2 quintiles.

What does this mean?

When shortening and simplifying the index to make it easier for programs to use to assess equity, it no longer matches the original index with 100% accuracy. At an aggregate level, this error is minimal, and this methodology was deemed acceptable for programmatic use by an expert panel. However, for any given individual, especially those already at a boundary between two quintiles, the quintile the EquityTool assigns them to may differ to their quintile according to the original DHS wealth index.

The graph below illustrates the difference between the EquityTool generated index and the full DHS wealth index. Among all of those people (20% of the population) originally identified as being in the poorest quintile, approximately 89.5% are still identified as being in the poorest quintile when we use the simplified index.  However, approximately 10% of people are now classified as being in Quintile 2.  From a practical standpoint, all of these people are relatively poor. Yet, it is worthwhile to understand that the simplified index of 11 questions produces results that are not identical to using all 36 questions in the original survey.

The following table provides the same information on the movement between national quintiles when using the EquityTool versus the original DHS wealth index:

    EquityTool National Quintiles
  Quintile 1 Quintile 2 Quintile 3 Quintile 4 Quintile 5 Total
Original DHS National Quintiles Quintile 1 17.90% 2.00% 0.10% 0.00% 0.00% 20%
Quintile 2 5.10% 12.10% 2.70% 0.00% 0.00% 20%
Quintile 3 0.00% 4.90% 12.70% 2.30% 0.00% 20%
Quintile 4 0.00% 0.00% 2.40% 15.50% 2.00% 20%
Quintile 5 0.00% 0.00% 0.00% 2.00% 18.00% 20%
Total 23.10% 19.10% 18.00% 19.80% 20.00% 100%

 

The following graph provides information on the movement between urban quintiles when using the EquityTool versus the original DHS wealth index:

The following table provides the same information on the movement between urban quintiles when using the EquityTool versus the original DHS wealth index:

 

    EquityTool Urban Quintiles
  Quintile 1 Quintile 2 Quintile 3 Quintile 4 Quintile 5 Total
Original DHS Urban Quintiles Quintile 1 17.20% 2.80% 0.00% 0.00% 0.00% 20%
Quintile 2 2.70% 13.60% 3.60% 0.10% 0.00% 20%
Quintile 3 0.00% 3.20% 12.90% 3.80% 0.00% 20%
Quintile 4 0.00% 0.00% 3.90% 13.30% 2.70% 20%
Quintile 5 0.00% 0.00% 0.00% 2.70% 17.30% 20%
Total 19.90% 19.60% 20.50% 19.90% 20.10% 100%

 

Data interpretation considerations:

  1. This tool provides information on relative wealth – 'ranking' respondents within the national or urban population. The most recent available data from the WorldBank indicates that 9.3% of people in Guatemala live below $1.90/day[1]. This information can be used to put relative wealth into context.
  2. People who live in urban areas are more likely to be wealthy. In Guatemala, 40.6% of people living in urban areas are in the richest national quintile, compared to only 4.7% of those living in rural areas[2].
    1. If your population of interest is predominantly urban, we recommend you look at the urban results to understand how relatively wealthy or poor they are, in comparison to other urban dwellers.
    2. If the people you interviewed using the EquityTool live in rural areas, or a mix of urban and rural areas, we recommend using the national results to understand how relatively wealthy or poor they are, in comparison to the whole country.
  3. Some municipalities in Guatemala are wealthier than others. It is important to understand the country context when interpreting your results.
  4. In most cases, your population of interest is not expected to be equally distributed across the five wealth quintiles. For example, if your survey interviewed people exiting a shopping mall, you would probably expect most of them to be relatively wealthy.

Metrics for Management provides technical assistance services to those using the EquityTool, or wanting to collect data on the wealth of their program beneficiaries. Please contact equitytool@m4mgmt.org and we will assist you.

 

[1] From povertydata.worldbank.org, reporting Poverty headcount ratio at $1.90/day at 2011 international prices.

[2] From the Guatemala DHS 2015 dataset household recode, available at http://dhsprogram.com/