Prolonged elevated body mass index in preschool children after the Great East Japan Earthquake

Isojima, Tsuyoshi; Yokoya, Susumu; Ono, Atsushi; Kato, Noriko; Tanaka, Toshiaki; Yokomichi, Hiroshi; Yamagata, Zentaro; Tanaka, Soichiro; Matsubara, Hiroko; Ishikuro, Mami; Kikuya, Masahiro; Chida, Shoichi; Kuriyama, Shinichi; Kure, Shigeo

doi:10.1111/ped.13340

Cited by 7 publications

(5 citation statements)

References 19 publications

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“…Second, longitudinal data used herein were retrospective. However, our data are sufficiently reliable and accurate as discussed in our previous report 29. Moreover, to our knowledge, no other report has analysed complete consecutive longitudinal measurements of as much as 15 259 preschool children.…”

Section: Discussionsupporting

confidence: 71%

Early excessive growth with distinct seasonality in preschool obesity

et al. 2018

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Section: Discussionsupporting

confidence: 71%

Early excessive growth with distinct seasonality in preschool obesity

et al. 2018

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“…Therefore, school closure for such an extended time may have negative impact on children’s behaviors and consequently weight gain. Prolonged weight gain was previously observed in children after natural disasters: in Japan, elevated BMI was reported 1.5 years after the Great East Japan Earthquake [ 33 , 48 ]. Besides, the reversion of childhood obesity needs a long follow-up period: multidisciplinary treatment programs can take up to five years to reach a significant weight loss [ 49 ].…”

Section: Discussionmentioning

confidence: 99%

Prolonged body weight gain, lifestyle changes and health-related quality of life in children during the COVID-19 pandemic lockdown: A follow-up study

Azrak¹,

Fasano

Avico³

et al. 2022

Eur J Clin Nutr

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Background Further investigation is needed to define the impact of long-term pandemic lockdown in children. Objectives To examine changes in body mass index z-score (zBMI), lifestyle, Health-Related Quality of Life and proportion of overweight or obesity (OW/OB) in 6- to 9-year-old children in Argentina. Methods Observational study with baseline measurements prior to lockdown and follow-up after eight months of strict restrictive measures (November 2020, first visit, n = 144) and after ten months of partial reopening (September 2021, second visit, n = 108). Anthropometric changes from baseline to first visit in lockdown group (LG) were compared with a historical control group (HCG, n = 134). Follow-up visits included anthropometric measures, lifestyle questionnaire and Pediatric Quality of Life Inventory. Results Change in zBMI was higher in LG [median, IQR: 0.46 (−0.00; 0.83)] vs HCG [median, IQR: 0.02 (−0.31; 0.27)]; p < 0.001, particularly in children with pre-existing OW/OB. In LG, zBMI was higher at first and second visit vs baseline ( p < 0.001) and in second visit vs first visit for boys ( p = 0.037) but not for girls. The proportion of children with OW/OB increased from baseline (43.5%) to first (56.5%) and second visit (58.3%) ( p = 0.029). Unlike girls, the proportion of boys with OW/OB increased from baseline to first and second visit ( p = 0.045). Change in zBMI was higher in children with less healthy habits ( p < 0.001). Conclusions Weight gain continued to increase in boys when lockdown measurements were eased, although sedentary behaviors decreased and quality of life improved, indicating that the effects of pandemic lockdown could be difficult to reverse.

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“…Third, considering the primary purpose of the FHMS thyroid screening as a health-supportive program, it would be desirable to account for wider contextual factors, such as phycological stress, 14 rather than only radiation effects. An increase in BMI owing to a reduction in outdoor exercise due to radiation anxiety 31 may increase the risk of thyroid cancer in the longer term. In this case, instead of using BMI as an adjustment factor, it is important to carefully monitor regional differences in changes in BMI among the children and adolescents in Fukushima Prefecture.…”

Section: Discussionmentioning

confidence: 99%

Revisiting the Geographical Distribution of Thyroid Cancer Incidence in Fukushima Prefecture: Analysis of Data From the Second- and Third-round Thyroid Ultrasound Examination

Nakaya

Takahashi

et al. 2022

Journal of Epidemiology

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Background After the first-round (Preliminary Baseline Survey) ultrasound-based examination for thyroid cancer in response to the accident at the Fukushima Daiichi Nuclear Power Plant in 2011, two rounds of surveys (Full-scale Survey) have been carried out in Fukushima Prefecture. Using the data from these surveys, the geographical distribution of thyroid cancer incidence over 6 or 7 years after the disaster was examined. Methods Children and adolescents who underwent the ultrasound-based examinations in the second- and/or third-round (Full-scale) survey in addition to the first-round survey were included. With a discrete survival model, we computed age, sex, and body mass index standardized incidence ratios (SIRs) for municipalities. Then, we employed spatial statistics to assess geographic clustering tendency in SIRs and Poisson regression to assess the association of SIRs with the municipal average absorbed dose to the thyroid gland at the 59-municipality level. Results Throughout the second- and third-round surveys, 99 thyroid cancer cases were diagnosed in the study population of 252,502 individuals. Both flexibly shaped spatial scan statistics and maximized excess events test did not detect statistically significant spatial clustering ( P = 0.17 and 0.54, respectively). Poisson regression showed no significant dose-response relationship: the estimated relative risks of lowest, middle-low, middle-high, and highest areas were 1.16 (95% confidence interval [CI], 0.52–2.59), 0.55 (95% CI, 0.31–0.97), 1.05 (95% CI, 0.79–1.40), and 1.24 (95% CI, 0.89–1.74). Conclusion There was no statistical support for geographic clustering or regional association with radiation dose measures of the thyroid cancer incidence in the cohort followed up to the third-round survey (fiscal years 2016–2017) in Fukushima Prefecture.

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Prolonged elevated body mass index in preschool children after the Great East Japan Earthquake

Abstract: Prolonged elevated BMI SDS was detected only in affected children in Fukushima. This phenomenon may be explained by an indirect effect of the NPP accident.

Cited by 7 publications

References 19 publications

Early excessive growth with distinct seasonality in preschool obesity

Early excessive growth with distinct seasonality in preschool obesity

Prolonged body weight gain, lifestyle changes and health-related quality of life in children during the COVID-19 pandemic lockdown: A follow-up study

Revisiting the Geographical Distribution of Thyroid Cancer Incidence in Fukushima Prefecture: Analysis of Data From the Second- and Third-round Thyroid Ultrasound Examination

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