Association of sleep habits with behavior problems and resilience of 6- to 7-year-old children: results from the A-CHILD study

Doi, Satomi; Fujiwara, Takeo; Ochi, Manami; Isumi, Aya; Kato, Tsuguhiko

doi:10.1016/j.sleep.2017.12.015

Cited by 38 publications

(28 citation statements)

References 26 publications

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“…This study used data from the A‐CHILD study. Details of the study are described elsewhere . All parents and guardians of first‐grade primary school children were invited to participate in the study between July and November 2015 and were followed up during the same period in the following year (ie, at second grade in 2016).…”

Section: Methodsmentioning

confidence: 99%

“…Details of the study are described elsewhere. [22][23][24][25][26] All parents and guardians of first-grade primary school children were invited to participate in the study between July and November 2015 and were followed up during the same period in the following year (ie, at second grade in 2016). In total, 3686 caregivers returned completed self-report questionnaires (response rate: 80.1% and 81.4% in 2015 and 2016, respectively) and gave permission to link their response records with the results of school health checkups.…”

Section: Data and Study Samplementioning

confidence: 99%

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Association between grandparent coresidence and weight change among first‐grade Japanese children

et al. 2019

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Summary Background The prevalence of grandparent coresidence is increasing. However, the impact of grandparent coresidence on weight change among school‐age children remains unclear. Objectives The objective of the study is to examine the association between grandparent coresidence and obesity‐related behaviours and change in body mass index (BMI) z scores among school‐age children. Methods In total, 3422 caregivers of first‐grade children in Adachi City, Tokyo, participated in surveys and health checkups in 2016 and 2017 with no change in their grandparent coresidence status (response rate: 80.1% and 81.4%, respectively). Association between grandparent coresidence and obesogenic dietary, physical activity, and screen‐based sedentary behaviours was measured using Poisson regression with robust error variance analysis, while change in BMI z scores was determined by linear regression and adjusting for potential covariates. Results Grandparent coresidence was associated with increased prevalence rate (PR) of irregular snack foods intake (PR: 1.38, 95% confidential interval (CI): 1.19, 1.61); however, children who live with grandparents showed a lower BMI z scores in the second grade (coefficient: −0.048, 95% CI: −0.094 to −0.0013) after adjustment for BMI z scores in the first grade, family sociodemographics, and obesogenic behaviours. Conclusion Grandparent coresidence is associated with lower BMI z scores among early primary school‐age Japanese children living in urban areas.

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Section: Methodsmentioning

confidence: 99%

Section: Data and Study Samplementioning

confidence: 99%

Association between grandparent coresidence and weight change among first‐grade Japanese children

et al. 2019

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“…The Adachi Child Health Impact of Living Difficulty (A-CHILD) project was established in 2015 to evaluate the determinants of health among children in Adachi City, Tokyo, Japan [30][31][32]. We used data from the 2018 wave of the A-CHILD study.…”

Section: Study Design and Subjectsmentioning

confidence: 99%

Home Cooking and Child Obesity in Japan: Results from the A-CHILD Study

et al. 2019

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This study aimed to investigate the association between the frequency of home cooking and obesity among children in Japan. We used cross-sectional data from the Adachi Child Health Impact of Living Difficulty study, a population-based sample targeting all fourth-grade students aged 9 to 10 in Adachi City, Tokyo, Japan. Frequency of home cooking was assessed by a questionnaire for 4258 caregivers and classified as high (almost every day), medium (4-5 days/week), or low (≤3 days/week). School health checkup data on height and weight were used to calculate body mass index z-scores. Overall, 2.4% and 10.8% of children were exposed to low and medium frequencies of home cooking, respectively. After adjusting for confounding factors, children with a low frequency of home cooking were 2.27 times (95% confidence interval: 1.16-4.45) more likely to be obese, compared with those with a high frequency of home cooking. After adjustment for children's obesity-related eating behaviors (frequency of vegetable and breakfast intake and snacking habits) as potential mediating factors, the relative risk ratio of obesity became statistically non-significant (1.90; 95% confidence interval: 0.95-3.82). A low frequency of home cooking is associated with obesity among children in Japan, and this link may be explained by unhealthy eating behaviors.

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“…22 Doi et al reported that children sleeping at irregular times showed higher behavior problems, especially hyperactive / inattention and peer relationship problems. 23 The causal relationship between late bedtime and problematic behaviors may reflect bedtime resistance or sleep onset delay in children who developmentally have restlessness or hyperactivity, which are often observed in children with ADHD or ASD. Neuroimaging and electrical encephalogram studies revealed deficits in frontal neuronal processing for attention or worse parietal white matter integrity caused by the effects of short sleep duration; however, the neural processes involved in behavior related to short sleep duration are poorly understood.…”

Section: Discussionmentioning

confidence: 99%

Association between children's sleep patterns and problematic behaviors at age 5

Suda

Nagamitsu

Obara

et al. 2020

Pediatrics International

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Background: Night-shift lifestyles affect children as well as adults, and are associated with sleep and behavioral problems among children. This study aimed to investigate associations among sleep patterns, individual/environmental factors, and problematic behaviors in children at age 5 years. Methods: Data for sleep patterns, individual / environmental factors, and problematic behaviors for 8,689 5-yearold children were collected from health-checkup records. Problematic behaviors investigated were anxious behavior (being afraid, difficulty being separated from the mother), developmental behavior (violence, restlessness, rebellious behavior, restrictive diet, stereotypic play), personal habits (thumb-sucking, nail-biting, tic, masturbation), and excretory problems. The relationships between sleep patterns (bedtime, sleep duration) and the presence of these behaviors were analyzed. Individual / environmental factors that affected problematic behaviors were statistically identified using a tree-form model. Results: Late bedtime and short sleep duration showed significant adverse effects on children's problematic behaviorsodds ratio (OR): 1.07, 95% confidence interval (CI): 1.03-1.11 and OR: 0.92, 95% CI: 0.87-0.97, respectively. Long television watching time, abnormality at birth, and lack of father's support also showed significant adverse effects on problematic behaviors (OR: 2.34, 95% CI: 1.87-2.94), and significantly affected late bedtime and short sleep duration. Conclusions: There were significant associations among sleep patterns, individual / environmental factors, and problematic behaviors in 5-year-old children. Improving children's sleep patterns, reducing the duration of television watching, and improving support from fathers may reduce problematic behaviors.

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Association of sleep habits with behavior problems and resilience of 6- to 7-year-old children: results from the A-CHILD study

Cited by 38 publications

References 26 publications

Association between grandparent coresidence and weight change among first‐grade Japanese children

Association between grandparent coresidence and weight change among first‐grade Japanese children

Home Cooking and Child Obesity in Japan: Results from the A-CHILD Study

Association between children's sleep patterns and problematic behaviors at age 5

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