A method to define the relevant ego-centred spatial scale for the assessment of neighbourhood effects: the example of cardiovascular risk factors

Table 3 Data relative to the estimation of the correlation neighbourhood

	Record Study	Babi Study	DHS
Population density inhabitants per qm²	3763 (Unité urbaine de Paris)	1290	2091
Number of pairs (BMI data)
0 - 20 m	362	8	7
0 – 50 m	1210	78	56
0 – 100 m	3788	234	195
Variance
BMI	17.51	29.56	21.11
Residual BMI	16.52	27.82	18.89
Sill (estimated)	15.81	26.70	22.02
Variance
SBP	304.57	154.96	452.72
Residual SBP	255.69	151.39	343.87
Sill (estimated)	243.21	148.44	353.70

ISSN: 1471-2458