Table 1

Wilcoxon test of differences in variable estimates between methods

Wilcoxon Test
Variable
 Pair of Methods
 Valid N
 z
 p-level
UNEMPLOYMENT
 M1/M2
 12
 1.18
 0.240

M1/M3
 12
 0.00
 1.000

M2/M3
 12
 1.26
 0.210
INCOME
 M1/M2
 12
 2.51
 0.090

M1/M3
 12
 0.24
 0.810

M2/M3
 12
 2.56
 0.009
POP DENSITY
 M1/M2
 12
 2.82
 0.004

M1/M3
 12
 1.41
 0.150

M2/M3
 12
 3.06
 0.002
RACE
 M1/M2
 12
 2.43
 0.015
White
 M1/M3
 12
 1.17
 0.239

M2/M3
 12
 2.98
 0.002
Hispanic
 M1/M2
 12
 2.12
 0.034

M1/M3
 12
 2.74
 0.006

M2/M3
 12
 3.06
 0.002
African American
 M1/M2
 12
 2.51
 0.012

M1/M3
 12
 0.88
 0.060

M2/M3
 12
 1.17
 0.239
Asian
 M1/M2
 12
 1.57
 0.117

M1/M3
 12
 0.88
 0.059

M2/M3
 12
 0.39
 0.695
Oher
 M1/M2
 12
 1.73
 0.084

M1/M3
 12
 0.94
 0.346

M2/M3
 12
 1.18
 0.239
BELOW POVERTY
 M1/M2
 12
 0.47
 0.637
White
 M1/M3
 12
 1.02
 0.308

M2/M3
 12
 1.25
 0.209
African American
 M1/M2
 12
 2.11
 0.034

M1/M3
 12
 0.78
 0.432

M2/M3
 12
 1.56
 0.116
Asian
 M1/M2
 12
 0.87
 0.388

M1/M3
 12
 0.86
 0.388

M2/M3
 12
 1.25
 0.209
Oher
 M1/M2
 12
 0.00
 1.000

M1/M3
 12
 1.49
 0.136

M2/M3
 12
 0.07
 0.937
EDUCATION
 M1/M2
 12
 0.94
 0.35
To 9 grade
 M1/M3
 12
 0.24
 0.813

M2/M3
 12
 1.18
 0.239
9–12 grade
 M1/M2
 12
 1.33
 0.182

M1/M3
 12
 0.24
 0.813

M2/M3
 12
 2.04
 0.041
HS
 M1/M2
 12
 1.02
 0.307

M1/M3
 12
 2.51
 0.012

M2/M3
 12
 1.49
 0.136
AA
 M1/M2
 12
 1.25
 0.209

M1/M3
 12
 0.63
 0.530

M2/M3
 12
 2.35
 0.018
BA
 M1/M2
 12
 0.63
 0.530

M1/M3
 12
 0.86
 0.388

M2/M3
 12
 1.88
 0.059
Graduate
 M1/M2
 12
 1.49
 0.136

M1/M3
 12
 1.17
 0.239

M2/M3
 12
 2.11
 0.034

Tatalovich et al. International Journal of Health Geographics 2006 5:55   doi:10.1186/1476-072X-5-55
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