AI Article Synopsis
- This study investigates the relationship between maternal chronic stress and child chronic stress by analyzing hair cortisol levels in low-income mother-toddler pairs in the U.S.
- Researchers sought to determine the feasibility of collecting hair samples in this demographic, focusing on participation rates, eligibility, and sample weight requirements.
- Out of 142 approached dyads, 66% participated in the hair sampling, with the most common refusal related to hairstyle, and nearly all samples were suitable for cortisol analysis.
Article Abstract
Background: A first step to advance stress science research in young children is understanding the relationship between chronic stress in a mother and chronic stress in her child. One non-invasive measure of chronic stress is hair cortisol. However, little is known about strategies for hair sampling in mother-toddler dyads living in low-income homes in the U.S. To address prior limitations, the purpose of this study was to understand the feasibility of sampling hair for cortisol analysis in mother-toddler dyads living in low-income homes in the U.S. We examined feasibility related to participation, eligibility, and gathering an adequate hair sample weight.
Methods: We approached 142 low-income, racially diverse, urban-dwelling mothers who were participating in an ongoing longitudinal birth cohort study for informed consent to cut approximately 150 hairs from the posterior vertex of their scalp and their toddlers' (20-24 months) scalp. We demonstrated the process of sampling hair with a hairstyling doll during home visits to the mother and toddler using rounded-end thinning shears.
Results: Overall, 94 of 142 mother-toddler dyads (66 %) participated in hair sampling. The most common reason for participation refusal was related to hairstyle. All but three hair samples were of adequate weight for cortisol extraction.
Discussion: The findings from this study can help researchers address sampling feasibility concerns in hair for cortisol analysis research in mother-toddler dyads living in low-income homes in the U.S.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7736194 | PMC |
| http://dx.doi.org/10.1016/j.infbeh.2020.101499 | DOI Listing |
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