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. Author manuscript; available in PMC: 2013 Jan 5.
Published in final edited form as: Ann GIS. 2012 Jan 5;17(4):221–235.

Table 2.

PCA components, eigenvalues, percent explained variance, and high loading variables (coefficients equal to or larger than .54, all variables positive other than those indicated).

Component Eigenvalue % Variance Variable Component Loading
Socio-
Environment
Interactions
(SES-Env)
4.04 31.08 Poor solid waste disposal
Lack of vegetation
Outdoor cooking
Fertility
High-status occupation
Illiteracy Informal workers
0.55
0.64
0.80
0.66
−0.68
0.76
0.68
Elevation/Ga 1.54 11.86 Ga ethnicity
Elevation
0.73
−0.84
Age
Structure
1.27 9.76 Under 14 years of age
5/55 dependency ratio
0.84
0.72
Health 1.08 8.27 Under 5 child mortality
Migrant in past 5 years
0.75
0.58