Secondhand Smoke Exposure and Hair Nicotine in Children: Age-Dependent Differences

Groner, Judith A.; Huang, Hong; Nicholson, Lisa; Kuck, Jennifer; Boettner, Bethany; Bauer, John

doi:10.1093/ntr/ntr269

Cited by 14 publications

(16 citation statements)

References 20 publications

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“…Similar to the current findings, other studies have demonstrated medium to strong associations between hair nicotine and psychosocial and physical survey measures of SHS exposure (Al‐Delaimy et al., ; Groner et al., ). More recently, Kim et al.…”

Section: Discussionsupporting

confidence: 89%

A Comparison of Survey Measures and Biomarkers of Secondhand Tobacco Smoke Exposure among Nonsmokers

Okoli

2015

Public Health Nursing

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As psychosocial measures of exposure were associated with biomarkers, such measures (particularly perceived frequency of SHS exposure) should be added to surveys in addition to physical SHS exposure measures to enhance accuracy of SHS measurement. Future explorations with robust sample sizes should further examine the strength of relationship between psychosocial and physical SHS exposure measures.

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Section: Discussionsupporting

confidence: 89%

A Comparison of Survey Measures and Biomarkers of Secondhand Tobacco Smoke Exposure among Nonsmokers

Okoli

2015

Public Health Nursing

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“…Younger children had higher hair nicotine concentrations than older children, with the same exposure to ETS 18 . In a study, higher nicotine levels were determined in hair samples in infants than older children 32 . In our study, we found a significant increase in cotinine values in hair samples as age decreased.…”

Section: Discussionsupporting

confidence: 52%

Evaluation of hair cotinine and toxic metal levels in children who were exposed to tobacco smoke

Günay

İlarslan

Bakar‐Ates

et al. 2020

Pediatric Pulmonology

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Tobacco or tobacco products (TTP) are harmful because they contain nicotine and some heavy metals. In this study, it was aimed to evaluate whether the responses of parents to questionnaires were compatible with the hair cotinine levels of their children, and to investigate whether exposure to environmental tobacco smoke (ETS) and living conditions increased the levels of cotinine, lead (Pb), arsenic (As), and cadmium (Cd) in the hair samples of the children. Questionnaires were administered to the parents questioning household consumption of TTP and living conditions. Children were grouped as “exposed to ETS” (E‐ETS) and “not exposed to ETS” (NE‐ETS). This grouping was performed through a questionnaire‐based evaluation, and a hair cotinine cut‐off value‐based evaluation. According to the questionnaire‐based evaluation, there were no significant differences in hair Pb, As, and Cd levels between the groups (P‐values: .337, .994, and .825, respectively). The hair cotinine of the E‐ETS group was higher (0.24 ± 0.21 vs 0.22 ± 0.15 ng/mg), but the difference was not statistically significant (P = .317). According to the cotinine evaluation, cotinine, Pb, and As levels were statistically higher in the E‐ETS group (P < .001, <.001, and .036, respectively), but there was no statistical difference between the groups in terms of Cd levels (P = .238). Our results showed that exposure to ETS increased the levels of cotinine, Pb, and As in the hair samples of children, and the questionnaire responses of the parents about their smoking habits might not be compatible with the hair cotinine levels of the children.

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“…30 Moreover, younger children are more vulnerable exposed to ETS due to the longer time they spend at home in the presence of a smoker. 15,20 The current finding indicated that ETS-exposed infants had significantly lower levels of father education and family income status compared to ETS-unexposed infants. These results are in line with previous studies showed that low educational level of 1 or both parents were associated with ETS exposure in children 20,31,32 and infants from low-income or low-socioeconomic status families were most likely to be exposed to ETS.…”

Section: Discussionmentioning

confidence: 51%

Questionnaire-Based Environmental Tobacco Smoke Exposure and Hair Nicotine Levels in 6-month-old Infants: A Validation Study in Indonesia

Nadhiroh

Djokosujono

Utari

et al. 2020

Global Pediatric Health

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Objectives. Using hair nicotine as the gold standard, this study aimed to establish cutoff points and validate the questionnaire-based environmental tobacco smoke (ETS) exposure and ETS statuses of Indonesian infants. Methods. A cross-sectional study design was conducted among families who were participants of the Peer Health Cohort Study in Jakarta, Indonesia. Households with 6-month-old infants joined this study. The presence and amount of ETS exposure were assessed by both questionnaire and hair sampling for nicotine determination. Head hair samples were collected from 102 infants and measured by optimized gas chromatography-mass spectrometry (GC/MS). Infants were grouped as ETS-exposed if they lived with at least 1 smoker at home. We used the receiver operating characteristic (ROC) curve to assess the sensitivity and specificity of cutoff values of hair nicotine. Results. There were 78 (76.5%) infants exposed to ETS based on the questionnaire. The nicotine concentrations in hair were significantly higher in infants with ETS exposure than in those without ETS exposure ( P < .001). The area under the curve for nicotine was 0.774. A hair nicotine cutoff value of 2.37 ng/mg, with a sensitivity of 67.95% and specificity of 83.33%, was identified as the optimal cutoff value for separating exposed from non-exposed to ETS in infants. Conclusion. The hair nicotine value of infants aged 6 months is useful in confirming the questionnaire on smoking in the household and exposure to ETS. Moreover, it also could be used to distinguish ETS-exposed from non-ETS-exposed infants.

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Secondhand Smoke Exposure and Hair Nicotine in Children: Age-Dependent Differences

Cited by 14 publications

References 20 publications

A Comparison of Survey Measures and Biomarkers of Secondhand Tobacco Smoke Exposure among Nonsmokers

A Comparison of Survey Measures and Biomarkers of Secondhand Tobacco Smoke Exposure among Nonsmokers

Evaluation of hair cotinine and toxic metal levels in children who were exposed to tobacco smoke

Questionnaire-Based Environmental Tobacco Smoke Exposure and Hair Nicotine Levels in 6-month-old Infants: A Validation Study in Indonesia

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