Associations among smartphone addiction, chronotype, and bedtime procrastination: bayesian network analysis and pilot intervention

Current Psychology, Год журнала: 2025, Номер unknown

Опубликована: Янв. 25, 2025

Язык: Английский

Smartphone addiction and sleep quality in the physical activity-anxiety link: a mediation-moderation model

Frontiers in Public Health, Год журнала: 2025, Номер 13

Опубликована: Апрель 3, 2025

Background Anxiety symptoms are common among university students in China, posing challenges to mental health. Physical activity may reduce anxiety, but the mechanisms not fully understood. This study examines how smartphone addiction acts as a mediator and sleep quality moderator relationship between physical aiming offer theoretical insights practical strategies for health interventions. Methods cross-sectional was conducted September 2023 at Guangxi University. A stratified sampling method used approach 719 from diverse education classes distribute questionnaires, 527 valid questionnaires were returned. Validated instruments included International Activity Questionnaire-Short Form (IPAQ-SF), Smartphone Addiction Scale-Short Version (SAS-SV), Pittsburgh Sleep Quality Index (PSQI), Self-Rating Scale (SAS). Data analysis involved standardization, descriptive statistics, Pearson correlation, normality testing, mediation moderation analyses, Bootstrap validation. Results (1) negatively correlated with ( r = −0.13, p < 0.01). (2) positively poor 0.40, 0.01) anxiety 0.43, (3) Poor significantly 0.57, (4) masking effect occurred non-significant positive direct β 0.062) nearly canceled out by of −0.058), inducing total near-zero. (5) influenced link especially those poorer sleep, where impact on stronger 0.061, 0.036). Conclusion revealed more complex than initially hypothesized. Our findings further students’ considered mediating role two, well moderating mobile phone anxiety.

Язык: Английский

The relationship between perceived stress and bedtime procrastination among Chinese college students: a moderated mediation model

Frontiers in Psychiatry, Год журнала: 2025, Номер 16

Опубликована: Апрель 9, 2025

Introduction the role of stress in inducing bedtime procrastination is a new research topic that has emerged recent years. This study aimed to explore psychological mechanism by which perceived affects Chinese college students life history framework. Methods first, we investigated whether strategy mediate their relationships. Then, examined distress tolerance moderated direct effects on and/or indirect them mediated strategy. The data 1021 were analyzed. Results results showed that: (1) had significant predictive effect procrastination; (2) played mediating relationship between and (3) strategy, but not them. Discussion present suggested history-based interventions might be an effective intervention for stress-induced procrastination. Specifically, it helpful alleviation develop slow when faced with similar stressful situations future. Furthermore, may important alternative target.

Язык: Английский