Spatial analysis of learning and developmental disorders in upper Cape Cod, Massachusetts using generalized additive models

Table 2 Summary of special education services models (270 Cases, 1214 Non-Cases).

Analysis	Span^a	Deviance p-value^b	Figure Number
Adjusted ^c Birth Residence	0.95	0.57	2
Crude Birth Residence	0.95	0.30	---
Adjusted ^c Early Childhood Residence	0.95	0.38	---
Crude Early Childhood Residence	0.95	0.22	---

^a Optimal span obtained by using the Akaike' Information Criterion (AIC).
^b Null hypothesis is that the map is flat.
^c Adjusted for sex, race, birth weight, gestational duration, year of birth, socioeconomic status, maternal alcohol or tobacco use during pregnancy, and PCE exposure.