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. Author manuscript; available in PMC: 2022 Oct 1.
Published in final edited form as: Environ Int. 2021 Jun 13;155:106659. doi: 10.1016/j.envint.2021.106659

Figure 2.

Figure 2.

Exposure-response curve for CO-birth length association among A. all live births, B. live births to women testing positive for placental malaria, C., live births to women testing negative for placental malaria. Curves are built from generalized additive models (GAMs) using thin plate regression splines with 3 degrees of freedom, adjusted for maternal BMI, age, parity, asset index, ANC visits, ethnicity, and infant sex. Boxplots demonstrate the distribution of exposure, while gray-outlined boxes demarcate the exposure range covering 95% of the data. P-value for interaction between CO and placental malaria: 0.14.