Abstract
Study Objectives
To investigate the short- and longer-term impact of a 45-min delay in school start time on sleep and well-being of adolescents.
Methods
The sample consisted of 375 students ...in grades 7–10 (mean age ± SD: 14.6 ± 1.15 years) from an all-girls’ secondary school in Singapore that delayed its start time from 07:30 to 08:15. Self-reports of sleep timing, sleepiness, and well-being (depressive symptoms and mood) were obtained at baseline prior to the delay, and at approximately 1 and 9 months after the delay. Total sleep time (TST) was evaluated via actigraphy.
Results
After 1 month, bedtimes on school nights were delayed by 9.0 min, while rise times were delayed by 31.6 min, resulting in an increase in time in bed (TIB) of 23.2 min. After 9 months, the increase in TIB was sustained, and TST increased by 10.0 min relative to baseline. Participants also reported lower levels of subjective sleepiness and improvement in well-being at both follow-ups. Notably, greater increase in sleep duration on school nights was associated with greater improvement in alertness and well-being.
Conclusions
Delaying school start time can result in sustained benefits on sleep duration, daytime alertness, and mental well-being even within a culture where trading sleep for academic success is widespread.
Child maltreatment is strongly associated with adolescent psychopathology and substance abuse and dependence. However, developmental processes unfolding from childhood into adolescence that delineate ...this trajectory are not well understood. The current study used path analysis in a structural equation modeling framework to examine multiple mediator models, including ego control, ego resiliency, and internalizing and externalizing symptoms to investigate this developmental process. Participants were 415 children, assessed across 3 waves of data, (i.e., at ages 7 to 9, 10 to 12, and 13 to 15). The sample included maltreated (n = 259) and nonmaltreated (n = 156) children; groups were comparable in sociodemographic characteristics. Findings support an transactional-ecological model by revealing a developmental sequence in which severity of early childhood maltreatment potentiates less adaptive childhood personality functioning, followed by externalizing problems in preadolescence, and ultimately adolescent cannabis abuse and dependence symptoms. A developmental pathway from child maltreatment to adolescent cannabis abuse and dependence symptoms via personality and preadolescent internalizing problems was not supported. Understanding developmental pathways by which maltreatment experiences increase risk for substance abuse and dependence symptoms in youth has far-reaching implications for the treatment and prevention of substance use disorders.
Civic developmental theory anticipates connections between normative developmental competencies and civic engagement, but little previous research has directly studied such links. The current study ...sought to contribute to civic development theory by examining associations between emotional and sociocognitive competencies (empathy, emotion regulation, prosocial moral reasoning, future-orientation) and civic engagement (volunteering, informal helping, political behaviors and beliefs, environmental behaviors, social responsibility values, civic skills). Data came from a geographically and racially diverse sample of 2467 youth (
M
age
= 13.4, Range: 8–20 years, 56% female). The results indicated that empathy and future-orientation significantly predicted nearly all forms of civic engagement, whereas emotion regulation and prosocial moral reasoning were uniquely associated with specific forms of civic engagement. Exploratory multi-group models indicated that empathy and emotion regulation were more strongly associated with civic engagement among younger youth and prosocial moral reasoning and future-orientation were more strongly related to civic engagement among older youth. The findings help to advance developmental theory of youth civic engagement.
A growing body of research indicates that phubbing can negatively influence adolescent development, it is not clear how perceived parental phubbing, adolescent phubbing, and adolescents’ adjustment ...problems concurrently relate to each other at the dimension level. This study conducted the contemporaneous network analyses and cross-lagged network analysis to examine the distinct relationships between the various dimensions of perceived father phubbing, perceived mother phubbing, adolescent phubbing and adolescent’s adjustment problems. A total of 1447 Chinese students (60.5% females; Mean age = 16.15,
SD
= 0.65) completed a survey at two-time points. The results of the contemporaneous network analyses indicated that perceived father/mother ignorance have the strongest links with the dimensions of adolescent phubbing and adolescents’ adjustment problems, suggesting that adolescents who reported high levels of perceived father/mother ignorance are more likely to concurrently face other issues and thus should be a primary focus of concern. The cross-lagged panel network analysis revealed that academic burnout is the primary catalyst in this dynamic network, which underscores a child-driven effect within the network. This emphasizes the importance of addressing adolescent academic burnout as a pivotal intervention point, both to alleviate phubbing in parent-adolescent interactions and to tackle adolescents’ adjustment problems.
Abstract Adolescent health care is challenging compared to that of children and adults, due to their rapidly evolving physical, intellectual, and emotional development. This paper is the concluding ...paper for a series of reviews to evaluate the effectiveness of interventions for improving adolescent health and well-being. In this paper, we summarize the evidence evaluated in the previous papers and suggest areas where there is enough existing evidence to recommend implementation and areas where further research is needed to reach consensus. Potentially effective interventions for adolescent health and well-being include interventions for adolescent sexual and reproductive health, micronutrient supplementation, nutrition interventions for pregnant adolescents, interventions to improve vaccine uptake among adolescents, and interventions for substance abuse. Majority of the evidence for improving immunization coverage, substance abuse, mental health, and accidents and injury prevention comes from high-income countries. Future studies should specifically be targeted toward the low- and middle-income countries with long term follow-up and standardized and validated measurement instruments to maximize comparability of results. Assessment of effects by gender and socioeconomic status is also important as there may be differences in the effectiveness of certain interventions. It is also important to recognize ideal delivery platforms that can augment the coverage of proven adolescent health–specific interventions and provide an opportunity to reach hard-to-reach and disadvantaged population groups.
After initial declines, in mid-2020 a resurgence in transmission of novel coronavirus disease (COVID-19) occurred in the United States and Europe. As efforts to control COVID-19 disease are ...reintensified, understanding the age demographics driving transmission and how these affect the loosening of interventions is crucial. We analyze aggregated, age-specific mobility trends from more than 10 million individuals in the United States and link these mechanistically to age-specific COVID-19 mortality data. We estimate that as of October 2020, individuals aged 20 to 49 are the only age groups sustaining resurgent SARS-CoV-2 transmission with reproduction numbers well above one and that at least 65 of 100 COVID-19 infections originate from individuals aged 20 to 49 in the United States. Targeting interventions-including transmission-blocking vaccines-to adults aged 20 to 49 is an important consideration in halting resurgent epidemics and preventing COVID-19-attributable deaths.
Objective: Social phobia typically develops during the adolescent years, yet no nationally representative studies in the United States have examined the rates and features of this condition among ...youth in this age range. The objectives of this investigation were to: (1) present the lifetime prevalence, sociodemographic and clinical correlates, and comorbidity of social phobia in a large, nationally representative sample of U.S. adolescents; and (2) examine differences in the rates and features of social phobia across the proposed "DSM-5" social phobia subtypes. Method: The National Comorbidity Survey Replication-Adolescent Supplement is a nationally representative face-to-face survey of 10,123 adolescents 13 to 18 years of age in the continental United States. Results: Approximately 9% of adolescents met criteria for any social phobia in their lifetime. Of these adolescents, 55.8% were affected with the generalized subtype and 44.2% exhibited nongeneralized social phobia. Only 0.7% met criteria for the proposed DSM-5 performance-only subtype. Generalized social phobia was more common among female adolescents and risk for this subtype increased with age. Adolescents with generalized social phobia also had a younger age of onset, higher levels of disability and clinical severity, and a greater degree of comorbidity relative to adolescents with nongeneralized forms of the disorder. Conclusions: This study indicates that social phobia is a highly prevalent, persistent, and impairing psychiatric disorder among adolescent youth. Results of this study also provide evidence for the clinical utility of the generalized subtype and highlight the importance of considering the heterogeneity of social phobia in this age group. (Contains 1 figure and 3 tables.)
Remarkable public health achievements to reduce infant and child mortality as well as improve the health and well-being of children worldwide have successfully resulted in increased survival and a ...growing population of young people aged 10–24 years. Population trends indicate that the current generation of 1.8 billion young people is the largest in history. However, there is a scarcity of dedicated resources available to effectively meet the health needs of adolescents and young adults worldwide. Growing recognition of the pivotal roles young people play in the cultures, societies, and countries in which they live has spurred an expanding global movement to address the needs of this special population. Building an effective global workforce of highly-skilled adolescent health professionals who understand the unique biological, psychological, behavioral, social, and environmental factors that affect the health of adolescents is a critical step in addressing the health needs of the growing cohort of young people. In this review, we aim to: 1) define a global assessment of the health needs for adolescents around the world; 2) describe examples of current training programs and requirements in adolescent medicine; 3) identify existing gaps and barriers to develop an effective adolescent health workforce; and 4) develop a call for targeted actions to build capacity of the adolescent health workforce, broaden culturally relevant research and evidence-based intervention strategies, and reinforce existing interdisciplinary global networks of youth advocates and adolescent health professionals to maximize the opportunities for training, research, and care delivery.
This article analyzes the relevance of the comprehensive definition of sexual and reproductive health and rights (SRHR) to adolescents and identifies adolescent-specific implications for the ...implementation of an essential package of SRHR interventions. The delivery of a comprehensive approach to SRHR targeting adolescents is underpinned by five principles—equity, quality, accountability, multisectorality, and meaningful engagement. All SRHR interventions included in the package are relevant to adolescents, given the diversity of adolescents' SRHR needs and considering their specific attributes, circumstances, and experiences. Ensuring that this package is available, accessible, and acceptable to adolescents requires an approach that looks at adolescents as being biologically and socially distinct from other age groups and acknowledges that they face some specific barriers when accessing SRHR services. This article provides cross-cutting strategies for the implementation of a comprehensive approach to SRHR for adolescents and specific considerations in delivering each intervention in the package of essential SRHR interventions. To further implement the International Conference on Population and Development Programme of Action, a prerequisite for achieving the Sustainable Development Goals, SRHR interventions must be adolescent responsive, delivered through multiple platforms, leveraging multisectoral collaboration, and strengthening accountability and participation.
ObjectivesTo systematically examine the evidence of harms and benefits relating to time spent on screens for children and young people’s (CYP) health and well-being, to inform ...policy.MethodsSystematic review of reviews undertaken to answer the question ‘What is the evidence for health and well-being effects of screentime in children and adolescents (CYP)?’ Electronic databases were searched for systematic reviews in February 2018. Eligible reviews reported associations between time on screens (screentime; any type) and any health/well-being outcome in CYP. Quality of reviews was assessed and strength of evidence across reviews evaluated.Results13 reviews were identified (1 high quality, 9 medium and 3 low quality). 6 addressed body composition; 3 diet/energy intake; 7 mental health; 4 cardiovascular risk; 4 for fitness; 3 for sleep; 1 pain; 1 asthma. We found moderately strong evidence for associations between screentime and greater obesity/adiposity and higher depressive symptoms; moderate evidence for an association between screentime and higher energy intake, less healthy diet quality and poorer quality of life. There was weak evidence for associations of screentime with behaviour problems, anxiety, hyperactivity and inattention, poorer self-esteem, poorer well-being and poorer psychosocial health, metabolic syndrome, poorer cardiorespiratory fitness, poorer cognitive development and lower educational attainments and poor sleep outcomes. There was no or insufficient evidence for an association of screentime with eating disorders or suicidal ideation, individual cardiovascular risk factors, asthma prevalence or pain. Evidence for threshold effects was weak. We found weak evidence that small amounts of daily screen use is not harmful and may have some benefits.ConclusionsThere is evidence that higher levels of screentime is associated with a variety of health harms for CYP, with evidence strongest for adiposity, unhealthy diet, depressive symptoms and quality of life. Evidence to guide policy on safe CYP screentime exposure is limited.PROSPERO registration numberCRD42018089483.
PDF
