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Table 1 Age-adjusted male invasive melanoma cancer statistics for the purely spatial analyses, Massachusetts, 1990–1999.

From: The geographic distribution of melanoma incidence in Massachusetts, adjusted for covariates

High Areas 1 2 3 4 5 6 7  
No Covariate adjustment
Obs1 478 719 494 57 183 * *  
RR2 1.62 1.38 1.46 2.26 1.49 * *  
p-value <0.0001 <0.0001 <0.0001 0.001 0.005 * *  
Percent Urban adjustment
Obs1 403 719 618 57 * 76 *  
RR2 1.51 1.37 1.36 2.35 * 1.80 *  
p-value <0.0001 <0.0001 <0.0001 0.0003 * 0.038 *  
SES adjustment
Obs1 358 564 * * * * *  
RR2 1.72 1.29 * * * * *  
p-value <0.0001 0.0002 * * * * *  
SES & Percent Urban adjustment
Obs1 173 * * * * * 282  
RR2 1.66 * * * * * 1.38  
P-value <0.0001 * * * * * 0.003  
Low Areas A B C D E F G H
No Covariates adjustment
Obs1 157 58 17 49 303 32 40 *
RR2 0.49 0.39 0.25 0.44 0.72 0.41 0.48 *
p-value <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 0.002 *
Percent Urban adjustment
Obs1 157 58 17 275 420 * 21 *
RR2 0.52 0.39 0.25 0.72 0.75 * 0.40 *
p-value <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 * 0.008 *
SES adjustment
Obs1 * 58 * 395 * * * 418
RR2 * 0.49 * 0.72 * * * 0.78
p-value * <0.0001 * <0.0001 * * * 0.0008
SES & Percent Urban adjustment
Obs1 * 54 * 418 * * * 418
RR2 * 0.49 * 0.80 * * * 0.79
P-value * <0.0001 * 0.015 * * * 0.001
  1. 1Obs = observed cases. 2RR = relative risk. *Cluster not significant for this analysis.