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. 2008 Jan 18;7:2. doi: 10.1186/1476-072X-7-2

Table 4.

Correlation matrix and overall Moran coefficients between components of the vulnerability index and the accessibility measurement (distance/time and gravity model)

Pearson's correlation Moran's I*
1 2 3 4 5 1 2 3 4 5

1. Gravity model 1 -0.329** 0.417** 0.504** 0.088** 1 -0.307 0.372 0.443 0.086
2. Accessibility to sites (minutes) -0.329** 1 -0.476** -0.325** -0.400** -0.307 1 -.449 -0.308 -0.371
3. Vulnerability index of populations 0.417** -0.476** 1 0.680** 0.743** 0.372 -.449 1 0.468 0.475
4. Socio-demographic components 0.504** -0.325** 0.680** 1 0.159** 0.443 -0.308 0.468 1 0.142
5. Socio-economic components 0.088** -0.400** 0.743** 0.159** 1 0.086 -0.371 0.475 0.142 1

** Correlation is significant at the 0.01 level (2-tailed).

* Correlation matrix used: rook contiguity (4 way connected) in respect of which the contiguity order is 1.