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. Author manuscript; available in PMC: 2019 Nov 1.
Published in final edited form as: Addiction. 2018 Jul 23;113(11):2087–2096. doi: 10.1111/add.14367

Figure-1.

Figure-1

Nicotine intake measured by CPD (A), TNE (B), and smoking intensity estimated by TNE/CPD (C) during pregnancy and in postpartum.

Individual longitudinal data are presented, in addition to mean ± SD. Statistical testing was done on all n=47 subjects at all three stages, but one outlier from early pregnancy and two from postpartum were removed from the illustrations in A and B, respectively. P-values are for between-stage comparisons and are derived from repeated measures general linear modelling (Bonferroni correction).