hong kong adolescents
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Author(s):  
Eric Tsz-Chun Poon ◽  
Grant Tomkinson ◽  
Wendy Yajun Huang ◽  
Stephen H.S. Wong

Low physical fitness in adolescence is linked with increased cardiometabolic risk and early all-cause mortality. This study aimed to estimate temporal trends in the physical fitness of Hong Kong adolescents aged 12–17 years between 1998 and 2015. Physical fitness (9-min run/walk, sit-ups, push-ups, and sit-and-reach) and body size data in a total of 28,059 adolescents tested across five population-representative surveys of Hong Kong secondary school pupils, were reported. Temporal trends in means were estimated at the gender-age level by best-fitting sample-weighted linear regression, with national trends estimated by a post-stratified population-weighting procedure. Overall, there were small declines in 9-min run/walk (effect size (ES) = 0.29 (95%CI: 0.32, 0.26)) and sit-ups performance (ES = 0.24 (95%CI: 0.27, 0.21)), with negligible changes in push-ups and sit-and-reach performance. There were small concurrent increases in both mean height and body mass, with a negligible increase in sum of skinfolds. Trends in mean physical fitness and body size/ were not always uniform across the population distribution. The small declines in mean 9-min run/walk and sit-ups performance for Hong Kong adolescents are suggestive of corresponding declines in cardiorespiratory fitness and abdominal/core endurance, respectively. Increased national health promotion strategies are required to improve existing fitness trends.


Author(s):  
Bilu Xiang ◽  
Hai Ming Wong ◽  
Colman P J McGrath

Abstract Oral diseases are preventable through the building of good oral health behaviors. Theory-based behavior change was key to the efficacy of oral health promotion since conventional promotion strategies achieved only short-lived and limited improvements. The objective of the study was to investigate the efficacy of a peer-led oral health intervention based on the health belief model (HBM) and the social cognitive theory (SCT) on oral self-care behaviors among Hong Kong adolescents. One thousand one hundred and eighty-four adolescents in 12 schools participated and were randomly assigned to either intervention or control group, utilizing a cluster-randomized controlled trial design. Brushing/flossing frequency, HBM/SCT constructs, oral health knowledge, and dental anxiety were measured at baseline and 6-month follow-up. Changes in behaviors were assessed using mixed-effects model and the mediators of behavioral change were identified with parallel multiple mediation analysis. At 6 months, the intervention group showed a significant increase in the frequency of brushing and flossing compared with the control group. Self-efficacy was identified as mediator between treatment condition and behavioral changes of brushing and flossing. Combining theories of HBM and SCT is a promising avenue for efficacy in oral health behaviors. The effects were mediated through cognitive variables, which provided guidance for both theory and health intervention development.


Author(s):  
Ching-Wen Chang ◽  
Siu-Ming To ◽  
Wallace Chi-Ho Chan ◽  
Alex Ching-Pong Fong

Precarious political circumstances can take a mental toll on young people. Adopting a socio-ecological perspective, this study investigated the influence of stress arising from political life events, intrapersonal factors (i.e., meaning in life, resilience), interpersonal factors (i.e., social support, associational social capital), and community factors (i.e., perceived empowerment in the community, perceived opportunities for civic engagement) on the mental health of youth in Hong Kong. Furthermore, it examined the moderating effects of these factors on the relationship between stress arising from political life events and mental health. A cross-sectional quantitative survey with a stratified purposive sampling data collection method was conducted. A total of 1330 secondary school students were recruited for this study. Multiple regression analysis was performed to examine both direct and moderation effects. The results indicate that high stress arising from political life events, low meaningfulness in life, low resilience, low social support, low youth empowerment in the community, and high civic engagement in the community were related to high mental distress. None of the presumed moderators moderated the relationship between stress due to political life events and mental distress. Assessing and addressing stress due to political life events would be potentially important in mental health programs for Hong Kong adolescents in precarious political situations.


Author(s):  
Hechao Jiang ◽  
Daniel T. L. Shek ◽  
Moon Y. M. Law

Although the impact of immigration on adolescent developmental outcomes has received extensive scholarly attention, the impact of internal migration, particularly in the Chinese context, on adolescents’ psychosocial development has not been scientifically investigated. This study examined whether mainland Chinese adolescent immigrants (N = 590) and adolescent non-immigrants (n = 1798) differed on: (a) psychosocial attributes indexed by character traits, well-being, social behavior, and views on child development, (b) perceived school environment, and (c) perceptions of characteristics of Hong Kong adolescents. Consistent with the healthy migration hypothesis, Hong Kong adolescents and mainland Chinese adolescent immigrants did not differ on most of the outcomes; Chinese adolescent immigrants showed higher perceived moral character, empathy, and social trust than did Hong Kong adolescent non-immigrants. Chinese adolescent immigrants also showed more favorable perceptions of the school environment and moral character, social trust and social responsibility of adolescents in Hong Kong. This pioneer Chinese study provides support for the healthy immigration hypothesis (immigration paradox hypothesis) but not the immigration morbidity hypothesis within the specific sociocultural context of Hong Kong in China.


2021 ◽  
Vol 9 ◽  
Author(s):  
Lu Yu ◽  
Daniel Tan Lei Shek

This study examined the predictive effects of 15 positive youth development (PYD) attributes and parenting behavior on adolescent social networking addiction (SNA) in a representative sample of Hong Kong students. In total, 1,896 Hong Kong Secondary 1 students from 20 randomly selected schools (age = 13.19 ± 0.52 years) completed the Bergen Social Media Addiction Scale (BSMAS), the Chinese Positive Youth Development Scale, and the Chinese Parenting Behavior Scale. Of the participants, 11.4% could be classified as being addicted to Social Networking Sites (SNSs). Regression analyses showed that students' emotional competence (β = −0.09; p < 0.01), behavioral competence (β = −0.12; p < 0.001), beliefs in the future (β = −0.10; p < 0.01), and spirituality (β = −0.08; p < 0.01) were negatively associated with SNA, while social competence (β = 0.07; p < 0.05) and positive identity (β = 0.13; p < 0.001) were positively related to SNA. Paternal and maternal responsiveness showed indirect effects on students' SNA through the full mediation of PYD attributes. Specific PYD attributes and positive parenting behavior may serve as important protective factors against the development of SNA among Hong Kong adolescents.


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