Daily Time-Use Patterns and Obesity and Mental Health among Primary School Students in Shanghai: A Population-Based Cross-Sectional Study

Zhang, Yunting; Zhang, Donglan; Li, Xinyue; Ip, Patrick; Ho, Frederick K; Jiang, Yanrui; Sun, Wanning; Zhu, Qi; Zhu, Weiming; Zhang, Jun; Zhao, Hongyu; Wang, Guanghai; Shen, Xiaoming; Fan, Jian‐Gao

doi:10.1038/s41598-017-15102-4

Cited by 19 publications

(19 citation statements)

References 52 publications

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“…Two main factors describing the dietary pattern were derived from the FFQ, including “healthy dietary factor score” and “unhealthy dietary factor score” [21]. The Chinese version of the International Children’s Leisure Activities Study Survey Questionnaire (CLASS-C) was used to measure child time spent in moderate to vigorous physical activity (MVPA) [22]. The time of MVPA was categorized into 3 groups: < 1 h, 1–2 h and ≥ 2 h based on the current guidelines [22].…”

Section: Methodsmentioning

confidence: 99%

“…The Chinese version of the International Children’s Leisure Activities Study Survey Questionnaire (CLASS-C) was used to measure child time spent in moderate to vigorous physical activity (MVPA) [22]. The time of MVPA was categorized into 3 groups: < 1 h, 1–2 h and ≥ 2 h based on the current guidelines [22]. Physical examination including anthropometric measures (weight, height) and puberty staging was conducted by trained researchers and pediatricians, respectively.…”

Section: Methodsmentioning

confidence: 99%

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Maternal age at menarche and offspring body mass index in childhood

et al. 2019

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Background Earlier age of menarche has been associated with an increased risk of chronic diseases during adulthood, but whether early menarche has intergenerational effect is not clear. Methods In this population-based cross-sectional study, we recruited children from 26 primary schools using cluster random probability sampling in Shanghai, China, in 2014. We used multiple linear regression models to estimate the adjusted associations of maternal age of menarche (MAM) with offspring body mass index (BMI). We also used the mediation analysis to examine the contribution of maternal BMI and gestational diabetes to offspring BMI. Results A total of 17,571 children aged 6–13 years were enrolled, of whom 16,373 had their weight and height measured. Earlier MAM was associated with higher child BMI in boys (− 0.05 z-score per year older MAM, 95% CI − 0.08 to − 0.02) and in girls (− 0.05 z-score per year older MAM, 95% CI − 0.07 to − 0.02). Maternal BMI positively mediated the association of MAM with offspring BMI in both sexes, with mediation effects of 37.7 and 19.4% for boys and girls, respectively. Conclusion Early maternal menarche was associated with greater offspring BMI. This study provides evidence for the intergenerational effect in the development of BMI in offspring. Electronic supplementary material The online version of this article (10.1186/s12887-019-1659-4) contains supplementary material, which is available to authorized users.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Maternal age at menarche and offspring body mass index in childhood

et al. 2019

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“…It has been widely used in China. [21] According to cut-off points recommended and widely used in China, [20–22] SDQ total and its subscales scores were classified into two groups as ‘abnormal’ and ‘normal’, and then subsequently categorized into “abnormal”, “borderline” and “normal” groups. Children classified into the “abnormal” group indicated that they have substantial risk of probable psychological symptoms.…”

Section: Methodsmentioning

confidence: 99%

The association between exposure to secondhand smoke and psychological symptoms among Chinese children

Wang

Zhang

et al. 2019

BMC Public Health

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Background The effect of secondhand smoke (SHS) exposure on child psychological problems remained inconclusive in previous studies. The aim of this study is to explore the association between SHS exposure and psychological symptoms in children. Methods This population-based cross-sectional survey used cluster random probability sampling and recruited children aged 6–13 years in 26 primary schools in Shanghai, China, in 2014. Duration of SHS exposure in children were categorized as none, < 1 h/day, 1–2 h/day, ≥3 h/day. Psychological symptoms were assessed by the parental version of the Strengths and Difficulties Questionnaire (SDQ). We used logistic regression to estimate the adjusted associations of SHS exposure with total SDQ and its specific domains. Multiple imputation was used for handling missing data. Results A total of 17,571 children completed this survey, with a response rate of 99.7%. SDQ scores were available for 15,344 participants, of whom 20.9% were not exposed to SHS, 63.0% exposed for < 1 h/day, 10.4% for 1–2 h/day, and 5.7% for ≥3 h/day. Compared to children not exposed to SHS, SHS exposure was positively associated with total SDQ score: OR 1.42, 95% confidence interval (CI) 1.22 to 1.66 for SHS exposure < 1 h/day, OR 2.14, 95% CI 1.76 to 2.62 for 1–2 h/day and OR 2.53, 95% CI 2.01 to 3.18 for ≥3 h/day after adjusting for sex, age, mode of birth, family socio-economic status and place of birth. These associations did not vary by sex. Conclusion SHS exposure is an independent risk factor for psychological problems among children. Nonetheless, our study is unable to distinguish between fetal and child exposure to SHS. Electronic supplementary material The online version of this article (10.1186/s12889-019-7006-8) contains supplementary material, which is available to authorized users.

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“…Such soaring of mental health problem has paralleled a dramatic shift in health-related behaviors and lifestyle from traditional, healthy patterns towards unhealthy patterns. During the transition from childhood to adolescence, children in China gradually develop its unique lifestyle pattern due to high level academic pressure compared with their counterparts in western countries, including prolonged sitting and screen time (5,6), high proportion of regular sugar-sweetened beverages (SSBs) consumption (7) and insu cient sleep (8).…”

Section: Introductionmentioning

confidence: 99%

“…As evidence continues to accumulate on emerging lifestyle risk factors during childhood and adolescence tend to cluster within individuals and may have synergistic effects on health (14,15). The majority of studies tended to focus on single behavior or summed multiple behaviors into an index score (8,16). Few investigations have examined longitudinal trajectory of multiple lifestyle risk factors as children develop into adolescence (17,18).…”

Section: Introductionmentioning

confidence: 99%

Joint trajectories of lifestyle pattern and subsequent psychopathological outcomes in adolescence

Zhang¹,

Zhang

Wan

et al. 2020

Preprint

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Abstract Background: Rapid socio-economic development makes China a unique laboratory for examining how lifestyle changes affect adolescent mental health. This study aims to identify joint trajectories of modifiable lifestyle indicators during pubertal transition and its associations with psychopathological outcomes. Methods: A cohort of 1974 children aged 7-9 years were recruited in Anhui Province, China during March 2013. The assessment of lifestyle behaviors (screen time, physical activity, sleep duration and beverage intake) and depressive symptoms were conducted from Wave 1 to Wave 4 (2018). Suicide ideation, non-suicidal self-harm (NSSI) and alcohol use were self-reported at Wave 4. Longitudinal trajectories of lifestyle patterns were defined using group-based multi-trajectory models in 2019. Results: Four lifestyle trajectories were identified: persistent healthy (39.9%), suboptimal healthy (25.3%), unhealthy mitigation (17.2%), and persistent unhealthy (17.7%). Compared with persistent healthy group, the risk of subsequent suicide ideation [odds ratio (OR): 2.86, 95%CI: 2.15-3.81], depressive symptoms (OR: 2.16, 95%CI: 1.39-3.35), alcohol use (OR: 2.53, 95%CI: 1.78-3.61) and non-suicidal self-harm (OR: 1.35, 95%CI: 1.09-1.67) was significantly higher in persistent unhealthy group.Conclusions: This study provided convincing evidence that unhealthy lifestyle trajectory during adolescence would substantially confer more than two-fold elevated risk for multiple domains of psychopathological outcomes over 5 years.

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Daily Time-Use Patterns and Obesity and Mental Health among Primary School Students in Shanghai: A Population-Based Cross-Sectional Study

Cited by 19 publications

References 52 publications

Maternal age at menarche and offspring body mass index in childhood

Maternal age at menarche and offspring body mass index in childhood

The association between exposure to secondhand smoke and psychological symptoms among Chinese children

Joint trajectories of lifestyle pattern and subsequent psychopathological outcomes in adolescence

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