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Table 3 Cholera incidence rate and population-based rate ratios by strata of districts classified according to level of urbanization, 1997–2001.

From: Spatial and demographic patterns of Cholera in Ashanti region - Ghana

Urbanization (%) Cholera
cases
Sub
Population
Rate (per 10000) Rate ratio(95%CI)
Low     
0.0–16.5 126 1065586 1.182447968 Reference
Medium     
19.2–35.6 357 848903 4.205427475 3.56 (2.89–4.38)
High     
38.9–100 2748 1170270 23.48176062 19.86 (16.55–23.840
  1. Chi-square for linear trend = 2995.5, P-value = 0.000001