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D. Vanegas and M. Bose
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Architectural and town-planning spaces
Organization and accessibility of roads
Green spaces
People and social relations
Welfare services
Cultural-recreational services
Commercial services
Transportation services
Environmental health
Maintenance and care
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Fig. 6 PREQI scales used in the study. From Fornara et al. (2010)
an ID number. With the use of an online randomizer tool, between five and seven
blocks were selected in each neighborhood. A number of households was defined
to survey from each block (10–15) to obtain a combined total of 65–85 participants
per neighborhood. The final sample size across all seven neighborhoods was 531
participants.
All the neighborhoods included in the analysis are designated as Stratum 2 (lowincome) in the city of Bogotá. This information is publicly available from the District
Administrative Department of Planning (DAPD) in Bogotá and managed using Geographic Information Systems (GIS). The DAPD also provided information (graphic
and numeric data) about neighborhood origin, which we used to define two groups
of households: informal origin and formal origin.
Participants The participants recruited from the Stratum 2 neighborhoods in
Bogotá represent a population of households living either in houses or apartments
located in neighborhoods of informal or formal origin. Through a screening process,
potential participants who were under-age were excluded from the sample, and the
data were collected using a door-to-door/drop-off pick-up strategy. Details pertaining
to the composition of the sample are given in Fig. 2.
3.3 Statistical Analysis
This section presents the analysis of the data intended to answer the questions posed
in the section titled “The Study” about the effect of neighborhood origin on RS in
Bogotá. The full sample (N = 531) was used to run the tests. We selected cases by
neighborhood origin as required by the test.
From the total sample of 531 participants, 254 (47.8%) belong to informal origin
neighborhoods and 277 (52.2%) to formal origin neighborhoods. The mean RS for
the sample is 10.08 ± 2.28; the informal subset mean RS is 9.58 ± 2.61; and the
formal subset mean RS is 10.55 ± 1.82. The data are normally distributed, as assessed
by a Q–Q Plot.
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