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Table 2 Descriptive statistics and results of variance ratio (Fmax) test for the literacy status under various neighborhoods, Khanh Hoa Province, Vietnam, 2002. (n = 32,542)

From: Neighborhood size and local geographic variation of health and social determinants

r Population size Incidence Rate/10000 Population Upper Fmax Test Lower Fmax Test
  Min Max Mean Min Max Mean Variance Fmax1 DF1 * CV1 ** Fmax2 DF2 * CV2 **
100 1 1859 195 .00 100.00 50.226 221.986 3.262 20 1.571 1.000 1 3.842
200 1 5681 611 .00 100.00 50.191 167.826 2.466 19 1.587 1.323 2 2.996
300 1 8362 1143 .00 88.89 50.215 146.722 2.156 18 1.604 1.513 3 2.605
400 2 11276 1785 .00 83.33 50.229 134.220 1.972 17 1.623 1.654 4 2.372
500 2 15425 2504 .00 83.33 50.250 124.628 1.831 16 1.644 1.781 5 2.214
600 2 20047 3282 .00 80.50 50.241 117.075 1.720 15 1.667 1.896 6 2.099
700 2 23875 4146 .00 80.52 50.270 110.223 1.620 14 1.692 2.014 7 2.010
800 2 28601 5075 .00 80.46 50.296 104.018 1.528 13 1.720 2.134 8 1.939
900 2 33159 6055 .00 80.14 50.318 98.808 1.452 12 1.752 2.247 9 1.880
1000 4 36182 7081 15.70 75.96 50.333 94.737 1.392 11 1.789 2.343 10 1.831
1100 9 39576 8129 11.11 74.55 50.344 91.235 1.341 10 1.831 2.433 11 1.789
1200 25 43628 9194 15.97 73.14 50.355 88.216 1.296 9 1.880 2.516 12 1.752
1300 25 47769 10297 16.07 72.95 50.373 85.460 1.256 8 1.939 2.598 13 1.720
1400 25 49747 11427 16.52 72.44 50.386 82.739 1.216 7 2.010 2.683 14 1.692
1500 25 51108 12580 16.54 71.57 50.390 80.180 1.178 6 2.099 2.769 15 1.667
1600 66 52454 13750 16.54 70.89 50.394 77.521 1.139 5 2.214 2.864 16 1.644
1700 128 53725 14925 16.61 70.67 50.392 74.995 1.102 4 2.372 2.960 17 1.623
1800 138 55422 16133 16.61 69.93 50.393 72.569 1.066 3 2.605 3.059 18 1.604
1900 138 57913 17398 17.36 69.52 50.394 70.210 1.032 2 2.996 3.162 19 1.587
2000 148 59428 18708 17.75 68.81 50.412 68.054 1.000 1 3.842 3.262 20 1.571
  1. r = size of neighborhood in meter radius
  2. * DF = degrees of freedom
  3. **CV1 and CV2 = critical values at 95% confidence level for Upper Fmax and Lower Fmax respectively Bold figures in Fmax1 and Fmax2 are the upper and lower limit of optimal neighborhoods, and the bold figure in "r" column is the choice of optimal neighborhood size.