Table 3

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

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
7.283
243.304
4.026
20
1.571
1.000
1
3.842
200
1
5681
611
.00
100.00
7.344
183.209
3.032
19
1.587
1.328
2
2.996
300
1
8362
1143
.00
100.00
7.383
153.024
2.532
18
1.604
1.590
3
2.605
400
2
11276
1785
.00
100.00
7.402
133.603
2.211
17
1.623
1.821
4
2.372
500
2
15425
2504
.00
100.00
7.467
121.327
2.008
16
1.644
2.005
5
2.214
600
2
20047
3282
.00
88.57
7.534
112.520
1.862
15
1.667
2.162
6
2.099
700
2
23875
4146
.00
88.57
7.609
105.353
1.744
14
1.692
2.309
7
2.010
800
2
28601
5075
.00
82.50
7.682
99.320
1.644
13
1.720
2.450
8
1.939
900
2
33159
6055
.00
75.00
7.719
93.729
1.551
12
1.752
2.596
9
1.880
1000
4
36182
7081
.00
69.49
7.745
88.828
1.470
11
1.789
2.739
10
1.831
1100
9
39576
8129
.00
63.73
7.761
84.867
1.404
10
1.831
2.867
11
1.789
1200
25
43628
9194
.00
62.40
7.776
81.459
1.348
9
1.880
2.987
12
1.752
1300
25
47769
10297
.00
62.40
7.793
78.140
1.293
8
1.939
3.114
13
1.720
1400
25
49747
11427
.00
61.91
7.801
74.610
1.235
7
2.010
3.261
14
1.692
1500
25
51108
12580
.00
60.84
7.820
71.456
1.183
6
2.099
3.405
15
1.667
1600
66
52454
13750
.00
58.06
7.851
69.027
1.142
5
2.214
3.525
16
1.644
1700
128
53725
14925
.00
50.55
7.873
66.823
1.106
4
2.372
3.641
17
1.623
1800
138
55422
16133
.00
46.79
7.891
64.531
1.068
3
2.605
3.770
18
1.604
1900
138
57913
17398
.00
44.54
7.907
62.339
1.032
2
2.996
3.903
19
1.587
2000
148
59428
18708
.00
39.71
7.915
60.426
1.000
1
3.842
4.026
20
1.571

r = size of neighborhood in meter radius

* DF = degrees of freedom

**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.

Ali et al. International Journal of Health Geographics 2005 4:12   doi:10.1186/1476-072X-4-12

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