Neighborhood size and local geographic variation of health and social determinants

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

r ^†	Population size			Incidence Rate/10000 Population				Upper F_max Test			Lower F_max Test
	Min	Max	Mean	Min	Max	Mean	Variance	F_max1	DF₁ *	CV₁ **	F_max2	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

^† r = size of neighborhood in meter radius
* DF = degrees of freedom
**CV₁ and CV₂ = critical values at 95% confidence level for Upper F_max and Lower F_max respectively Bold figures in F_max1 and F_max2 are the upper and lower limit of optimal neighborhoods, and the bold figure in "r" column is the choice of optimal neighborhood size.

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