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Prenatal exposure to phthalates and gender-specific play behavior at seven years of age in the SELMA study

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Název: Prenatal exposure to phthalates and gender-specific play behavior at seven years of age in the SELMA study
Autoři: Özel, Fatih, Stratmann, Marlene, Lindh, Christian, Gennings, Chris, Bornehag, Carl Gustaf, Rüegg, Joëlle
Přispěvatelé: Lund University, Faculty of Medicine, Department of Laboratory Medicine, Division of Occupational and Environmental Medicine, Lund University, Lunds universitet, Medicinska fakulteten, Institutionen för laboratoriemedicin, Avdelningen för arbets- och miljömedicin, Originator, Lund University, Profile areas and other strong research environments, Strategic research areas (SRA), EpiHealth: Epidemiology for Health, Lunds universitet, Profilområden och andra starka forskningsmiljöer, Strategiska forskningsområden (SFO), EpiHealth: Epidemiology for Health, Originator, Lund University, Faculty of Medicine, Department of Laboratory Medicine, Division of Occupational and Environmental Medicine, Lund University, Applied Mass Spectrometry in Environmental Medicine, Lunds universitet, Medicinska fakulteten, Institutionen för laboratoriemedicin, Avdelningen för arbets- och miljömedicin, Tillämpad masspektrometri inom miljömedicin, Originator
Zdroj: Environment International. 178
Témata: Agricultural and Veterinary sciences, Other Agricultural Sciences, Other Agricultural Sciences not elsewhere specified, Lantbruksvetenskap och veterinärmedicin, Annan lantbruksvetenskap, Övrig annan lantbruksvetenskap
Popis: Background: A growing body of evidence shows that prenatal exposure to phthalates affects child development. Since many phthalates have been shown to alter endocrine signaling, they may influence reproductive development, neurodevelopment, and child behavior. Indeed, a few studies reported associations between prenatal phthalate exposure and gender-specific play behavior. However, evidence for this relationship is limited, and previous findings are based on single phthalates, while human exposure entails mixtures of chemicals. Objective: We aimed to investigate the associations between prenatal exposure to single phthalates, as well as a phthalate mixture, and gender-specific play behavior. Methods: A total of 715 mother–child pairs from the Swedish Environmental Longitudinal, Mother and Child, Asthma and Allergy (SELMA) study were included. In the median week 10 of pregnancy, phthalate metabolites were measured in urine. Gender-specific play behavior was measured with Preschool Activities Inventory at the age of seven years. Linear and weighted quantile sum regressions were used; data was stratified by sex. Models were adjusted for child and maternal age, maternal education, parental attitudes toward play behavior, and urinary creatinine concentration. Results: For boys, single compound analyses revealed negative associations of prenatal exposure to di-isononyl phthalate (DINP) concentrations with masculine (β = −1.44; 95% CI = −2.72, −0.16) and composite (β = −1.43; 95% CI = −2.72, −0.13) scores. Suggestive associations were also observed with a mixture approach identifying DINP as the main contributor of the association of decreased masculine play. Among girls, higher urinary concentrations of 2,4-methyl-7-oxyooctyl-oxycarbonyl-cyclohexane carboxylic acid (MOiNCH) was associated with decreased feminine (β = −1.59; 95% CI = −2.62, −0.57) and masculine scores (β = −1.22; 95% CI = −2.14, −0.29), whereas the mixture analyses did not yield conclusive results for girls. Conclusion: Our findings suggest associations of prenatal exposure to DINP with decreased masculine play behavior in boys while the results for girls were not fully conclusive.
Přístupová URL adresa: https://doi.org/10.1016/j.envint.2023.108029
Databáze: SwePub
Popis
Abstrakt:Background: A growing body of evidence shows that prenatal exposure to phthalates affects child development. Since many phthalates have been shown to alter endocrine signaling, they may influence reproductive development, neurodevelopment, and child behavior. Indeed, a few studies reported associations between prenatal phthalate exposure and gender-specific play behavior. However, evidence for this relationship is limited, and previous findings are based on single phthalates, while human exposure entails mixtures of chemicals. Objective: We aimed to investigate the associations between prenatal exposure to single phthalates, as well as a phthalate mixture, and gender-specific play behavior. Methods: A total of 715 mother–child pairs from the Swedish Environmental Longitudinal, Mother and Child, Asthma and Allergy (SELMA) study were included. In the median week 10 of pregnancy, phthalate metabolites were measured in urine. Gender-specific play behavior was measured with Preschool Activities Inventory at the age of seven years. Linear and weighted quantile sum regressions were used; data was stratified by sex. Models were adjusted for child and maternal age, maternal education, parental attitudes toward play behavior, and urinary creatinine concentration. Results: For boys, single compound analyses revealed negative associations of prenatal exposure to di-isononyl phthalate (DINP) concentrations with masculine (β = −1.44; 95% CI = −2.72, −0.16) and composite (β = −1.43; 95% CI = −2.72, −0.13) scores. Suggestive associations were also observed with a mixture approach identifying DINP as the main contributor of the association of decreased masculine play. Among girls, higher urinary concentrations of 2,4-methyl-7-oxyooctyl-oxycarbonyl-cyclohexane carboxylic acid (MOiNCH) was associated with decreased feminine (β = −1.59; 95% CI = −2.62, −0.57) and masculine scores (β = −1.22; 95% CI = −2.14, −0.29), whereas the mixture analyses did not yield conclusive results for girls. Conclusion: Our findings suggest associations of prenatal exposure to DINP with decreased masculine play behavior in boys while the results for girls were not fully conclusive.
ISSN:01604120
DOI:10.1016/j.envint.2023.108029