Table 3

Sample statistics for person-level variables

CA
 CT
 GA
 IA
 KY
 LA
 MI
 NM
 NJ
 UT
 WA
 Range
Sample size
 N = 70061
 N = 19194
 N = 8604
 N = 17731
 N = 15692
 N = 13434
 N = 20980
 N = 6524
 N = 30634
 N = 7192
 N = 14539
Proportion with mammogram
 0.59
 0.66
 0.61
 0.63
 0.54
 0.54
 0.64
 0.52
 0.58
 0.61
 0.64
 0.52–0.66
Individual disability
 0.062
 0.047
 0.062
 0.044
 0.084
 0.066
 0.061
 0.061
 0.056
 0.043
 0.050
 .043–.084

0.241
 0.211
 0.240
 0.206
 0.278
 0.249
 0.239
 0.239
 0.229
 0.202
 0.219
Changed ZIP code
 0.036
 0.023
 0.035
 0.016
 0.029
 0.027
 0.023
 0.029
 0.036
 0.030
 0.032
 .016–.036

0.187
 0.149
 0.183
 0.126
 0.167
 0.162
 0.148
 0.168
 0.185
 0.170
 0.176
Months dual eligibility
 5.773
 2.534
 3.116
 2.056
 4.143
 5.106
 2.097
 3.829
 2.648
 1.282
 2.260
 1.28–5.77

10.131
 7.108
 7.816
 6.495
 8.852
 9.603
 6.619
 8.575
 7.337
 5.220
 6.816
Miles to closest facility
 1.944
 1.754
 2.774
 5.524
 3.233
 5.312
 1.827
 6.537
 1.815
 4.372
 3.006
 1.75–6.5

3.944
 2.552
 3.484
 7.058
 4.804
 7.664
 2.191
 13.607
 2.802
 8.743
 4.911
Age
 76.538
 77.107
 76.116
 77.095
 75.909
 75.947
 76.544
 75.704
 76.752
 75.840
 76.505
 75.8–77.1

7.210
 7.167
 7.161
 7.403
 7.144
 7.121
 6.982
 7.100
 7.116
 6.987
 7.188
Asian
 0.069
 0.005
 0.004
 0.001
 0.001
 0.002
 0.005
 0.002
 0.007
 0.006
 0.021
 .001–.069

0.253
 0.072
 0.062
 0.033
 0.037
 0.046
 0.074
 0.049
 0.086
 0.079
 0.144
African American
 0.049
 0.044
 0.212
 0.009
 0.053
 0.211
 0.169
 0.012
 0.086
 0.003
 0.018
 .003–.21

0.215
 0.206
 0.409
 0.095
 0.225
 0.408
 0.375
 0.107
 0.280
 0.058
 0.133
Hispanic
 0.041
 0.008
 0.003
 0.001
 0.000
 0.003
 0.002
 0.074
 0.018
 0.006
 0.002
 .000–.074

0.198
 0.088
 0.053
 0.033
 0.014
 0.055
 0.047
 0.262
 0.132
 0.078
 0.046
Native American
 0.003
 0.001
 0.000
 0.001
 0.000
 0.001
 0.000
 0.033
 0.000
 0.003
 0.006
 .000–.033

0.057
 0.025
 0.015
 0.030
 0.011
 0.030
 0.015
 0.179
 0.020
 0.051
 0.075
Other races or ethnicities
 0.031
 0.005
 0.004
 0.002
 0.001
 0.002
 0.005
 0.008
 0.008
 0.008
 0.016
 .001–.031

0.173
 0.068
 0.064
 0.041
 0.038
 0.050
 0.073
 0.086
 0.087
 0.088
 0.127
Diagnosed other cancer
 0.027
 0.049
 0.033
 0.054
 0.015
 0.014
 0.047
 0.033
 0.017
 0.039
 0.047
 .014–.054

0.163
 0.215
 0.179
 0.226
 0.123
 0.117
 0.211
 0.179
 0.129
 0.194
 0.212
Diagnosed breast cancer
 0.325
 0.422
 0.362
 0.414
 0.197
 0.201
 0.415
 0.364
 0.215
 0.392
 0.460
 .197–.46

0.468
 0.494
 0.481
 0.493
 0.398
 0.401
 0.493
 0.481
 0.411
 0.488
 0.498
Flu shot
 0.544
 0.589
 0.617
 0.517
 0.577
 0.613
 0.598
 0.503
 0.597
 0.667
 0.599
 .503–.667

0.498
 0.492
 0.486
 0.500
 0.494
 0.487
 0.490
 0.500
 0.490
 0.471
 0.490

Note: Sample means are provided on the first row for each variable, followed by sample standard deviations (SD) on the second row. Standard errors (SE) can be calculated using the sample size n from the first row, where SE = SD divided by square root of n.

Mobley et al. International Journal of Health Geographics 2008 7:32   doi:10.1186/1476-072X-7-32