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. Author manuscript; available in PMC: 2022 Nov 19.
Published in final edited form as: Environ Res. 2022 Aug 27;214(Pt 4):114163. doi: 10.1016/j.envres.2022.114163

Table 3.

Results of heterogeneity tests.

Log-linear model description Site interactions testedb Deviance DF LRTa p-value site-interaction term with p-value < 0.10
Saturated Ref 0 0 – –
Excluded 7-way site-interaction terms S*CPEAGU 0.22 4 1.00 –
Excluded 6-way site-interaction terms S*any 5 of CPEAGU 0.38 28 1.00 –
Excluded 6- and 5-way site-interaction terms S*any 4 of CPEAGU 2.44 76 1.00 –
Excluded 6-, 5- and 4-way site-interaction terms S*any 3 of CPEAGU 49.33 136 0.89 –
Excluded 6-, 5-, 4-, and 3-way site-interaction terms S*any 2 of CPEAGU 102.58 176 0.08 Boston vs. FTDL: 3rd trimester PM2.5b and maternal education; age at delivery and urbanicity

Note:

a

LRT was compared between models dropped n-way and (n-1)-way interaction terms.

b

C: NIH Toolbox Early Childhood Composite scores; P: 3rd trimester PM2.5; E: maternal education; A: maternal age at delivery; G: gestational age; U: urban; S: study site.