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Table 3 Male space-time analyses. Male colorectal cancer incidence statistics for the space-time analyses, Massachusetts, 1995–1998.

From: Spatial analysis of colorectal cancer incidence and proportion of late-stage in Massachusetts residents: 1995–1998

 

High

Low

 

1

2

3

A

B

C

Time Frame

95–98

95–98

96–98

95–98

95–98

95–98

No Covariates

      

   Observed

783

39

348

331

489

76

   Expected

615.0

12.0

252.6

476.5

609.2

129.5

   Relative Risk

1.27

3.24

1.38

0.70

0.80

0.59

   p-value

< 0.0001

0.0003

0.0016

< 0.0001

0.0205

0.0409

Urbanicity

      

   Observed

767

*

110

199†

*

*

   Expected

619.8

*

62.7

298.2†

*

*

   Relative Risk

1.24

*

1.75

0.667†

*

*

   p-value

0.0002

*

0.0098

< 0.0001†

*

*

SES

      

   Observed

783

39

348

331

350

*

   Expected

626.6

12.6

252.3

494.4

465.1

*

   Relative Risk

1.25

3.11

1.38

0.67

0.75

*

   p-value

< 0.0001

0.0007

0.0011

< 0.0001

0.0015

*

SES & Urbanicity

      

   Observed

755

*

*

199†

*

*

   Expected

629.8

*

*

304.7†

*

*

   Relative Risk

1.20

*

*

0.65†

*

*

   p-value

0.0438

*

*

< 0.0001†

*

*

  1. *Area not significant for this analysis.
  2. † The time frame for this area in these particular analyses was 96–98
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International Journal of Health Geographics

ISSN: 1476-072X