Table 4

Space-time analyses. Age-adjusted female invasive breast cancer statistics for space-time analyses of Massachusetts, 1988–1997. aObserved count. bRelative Risk. cArea is shifted east compared to the purely spatial analyses. dArea is significant for 1993–1997 and has dramatically increased geographic area. eArea is significant for 1988–1993 only. fGeographic area increased from the age-adjusted analysis. gGeographic area slightly decreased from the age-adjusted analysis. *High or low area was not significant for this analysis.


Age-adjusted only
 Adjusted for Urban/Rural Status

Time Frame
 Obsa
 RRb
 p-value
 Obsa
 RRb
 p-value
High






1
 91–97
 3639
 1.16
 <0.0001
 3639
 1.16
 <0.0001
3
 89–96
 51
 3.05
 <0.0001
 51
 3.04
 0.0002
4
 88–97
 126
 1.75
 0.0078
 126
 1.74
 0.0127
5
 88–97
 276
 1.44
 0.0091
 276
 1.43
 0.0154
6
 92–95
 492
 1.35
 0.0004
 492
 1.35
 0.0007
7
 88–95
 *
 *
 *
 *
 *
 *
8
 92–97
 841c
 1.23
 0.0034
 841c
 1.23
 0.0085
11
 93–97
 1178
 1.28
 <0.0001
 1178
 1.28
 <0.0001
Low






A
 88–97
 1068
 0.74
 <0.0001
 1068
 0.74
 <0.0001
B
 88–94
 1119
 0.81
 <0.0001
 1119
 0.81
 <0.0001
C
 88–96
 1951
 0.86
 <0.0001
 1951
 0.87
 0.0002
D
 88–95
 450
 0.77
 0.0069
 450
 0.78
 0.0246


Adjusted for SES
 Adjusted for SES & Urban/Rural Status
High






1
 91–97
 *
 *
 *
 *
 *
 *
3
 89–96
 51
 3.58
 <0.0001
 51
 3.59
 <0.0001
4
 88–97
 *
 *
 *
 *
 *
 *
5
 88–97
 *
 *
 *
 *
 *
 *
6
 92–95
 492
 1.35
 0.0008
 492
 1.34
 0.0005
7
 88–95
 15
 6.95
 0.0130
 15
 6.95
 0.0102
8
 92–97
 2991d
 1.12
 0.0009
 2991d
 1.12
 0.0011
11
 93–97
 1178
 1.29
 <0.0001
 1178
 1.31
 <0.0001
Low






A
 88–97
 600e
 0.75
 <0.0001
 600e
 0.74
 <0.0001
B
 88–94
 1219f
 0.86
 0.0303
 1219f
 0.86
 0.0301
C
 88–96
 1927g
 0.88
 0.0134
 *
 *
 *
D
 88–95
 *
 *
 *
 *
 *
 *

Joseph Sheehan et al. International Journal of Health Geographics 2004 3:17   doi:10.1186/1476-072X-3-17