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. 2008 Jun 30;7:32. doi: 10.1186/1476-072X-7-32

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.