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Lee YH, Chiu W, Hwang J, Noh S. Mobile-based mindfulness meditation intervention's impact on mental health among young male judo athletes in South Korea: a quasi-experimental study. Sci Rep 2024; 14:12691. [PMID: 38830986 PMCID: PMC11148055 DOI: 10.1038/s41598-024-63637-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Accepted: 05/30/2024] [Indexed: 06/05/2024] Open
Abstract
Young athletes commonly encounter various mental health challenges due to the distinct pressures inherent in sports environments. This study investigates the effectiveness of mobile-delivered mindfulness meditation interventions in alleviating mental health indicators of depression, perceived stress, and anxiety, and enhancing self-esteem and resilience among young male judo athletes in South Korea. Pre- and post-test questionnaires were completed by 53 judo athletes. Participants were then allocated to the intervention group (N = 27; Mage = 13.77 [SD = 1.11]), which used a mobile meditation software program, or the control group (N = 27; Mage = 13.56 [SD = 1.05]). Data analysis compared intervention and control group scores using multiple statistical methods, including independent sample t-tests, paired sample t-tests, and 2 (time) × 2 (group) repeated measures analysis of variance. Following the intervention, the mindfulness group exhibited significant enhancements in the mental health indicators of depression (GMD = 2.74 [95% CI 0.90-4.56], Cohen's D = 0.84), perceived stress (GMD = 0.35 [95% CI 0.002-0.70], Cohen's D = 0.56), and anxiety (GMD = 0.2 [95% CI 0.001-0.40, Cohen's D = 0.56]. Self-esteem also had a significant increase (GMD = 0.55 [95% CI - 0.22 to - 0.88], Cohen's D = 0.95). The findings of this study underscore the potential benefits of mobile-delivered mindfulness meditation interventions in addressing mental health challenges among young male judo athletes. The significant enhancements observed in scores on measures of depression, perceived stress, anxiety, and self-esteem among participants in the mindfulness group highlight the effectiveness of such interventions in promoting mental health in sports settings.
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Affiliation(s)
- Ye Hoon Lee
- Division of Global Sport Industry, Hankuk University of Foreign Studies, Faculty Office Building 104, Yongin-si, Gyunggi-do, 449791, Republic of Korea
| | - Weisheng Chiu
- Lee Shau Kee School of Business and Administration, Hong Kong Metropolitan University, Hong Kong, China.
| | - Juhee Hwang
- Division of Global Sport Industry, Hankuk University of Foreign Studies, Faculty Office Building 104, Yongin-si, Gyunggi-do, 449791, Republic of Korea
| | - Sihyeon Noh
- Division of Global Sport Industry, Hankuk University of Foreign Studies, Faculty Office Building 104, Yongin-si, Gyunggi-do, 449791, Republic of Korea
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Chen Y, Han X, Jiang Y, Jiang Y, Huang X, Wang W, Guo L, Xia R, Liao Y, Zhang H, Teopiz KM, McIntyre RS, Fan B, Lu C. Longitudinal Association between Stressful Life Events and Suicidal Ideation in Adults with Major Depression Disorder: The Mediating Effects of Insomnia Symptoms. Behav Sci (Basel) 2024; 14:467. [PMID: 38920799 PMCID: PMC11200868 DOI: 10.3390/bs14060467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 05/28/2024] [Accepted: 05/29/2024] [Indexed: 06/27/2024] Open
Abstract
Stressful life events (SLEs) and suicidal ideation (SI) are prevalent in persons with major depression disorder (MDD). Less is known about the underlying role of insomnia symptoms in the association between SLEs and SI. This three-wave prospective cohort study sought to investigate the longitudinal association among SLEs, insomnia symptoms, and SI in persons with MDD. The study population included 511 persons with MDD (mean [SD] age, 28.7 [6.7] years; 67.1% were females). Generalized estimated equations (GEEs) were utilized to explore prospective association among exposure of SLEs, insomnia symptoms, and SI. Additionally, a structural equation model (SEM) was employed to estimate the longitudinal mediating effect of insomnia symptoms in the relationship between SLEs and SI. Our study demonstrated that cumulative SLEs were determined to be longitudinally associated with SI in persons with MDD. We further observed that the association between SLEs and SI was significantly mediated by insomnia symptoms. Clinicians assessing persons with MDD, especially those with the history of SLE, could carefully evaluate and promptly treat insomnia symptoms as part of personalized assessment of their depressive illness, thereby achieving early prevention and intervention for suicidal behaviors in persons with MDD.
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Affiliation(s)
- Ya Chen
- Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China; (Y.C.)
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Sun Yat-sen University, Guangzhou 510080, China
- Guangdong Engineering Technology Research Center of Nutrition Translation, Guangzhou 510080, China
| | - Xue Han
- Department of Psychiatry, Shenzhen Nanshan Center for Chronic Disease Control, Shenzhen 518054, China; (X.H.)
| | - Yingchen Jiang
- Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China; (Y.C.)
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Sun Yat-sen University, Guangzhou 510080, China
- Guangdong Engineering Technology Research Center of Nutrition Translation, Guangzhou 510080, China
| | - Yunbin Jiang
- Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China; (Y.C.)
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Sun Yat-sen University, Guangzhou 510080, China
- Guangdong Engineering Technology Research Center of Nutrition Translation, Guangzhou 510080, China
| | - Xinyu Huang
- Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China; (Y.C.)
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Sun Yat-sen University, Guangzhou 510080, China
- Guangdong Engineering Technology Research Center of Nutrition Translation, Guangzhou 510080, China
| | - Wanxin Wang
- Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China; (Y.C.)
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Sun Yat-sen University, Guangzhou 510080, China
- Guangdong Engineering Technology Research Center of Nutrition Translation, Guangzhou 510080, China
| | - Lan Guo
- Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China; (Y.C.)
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Sun Yat-sen University, Guangzhou 510080, China
- Guangdong Engineering Technology Research Center of Nutrition Translation, Guangzhou 510080, China
| | - Ruirui Xia
- Department of Psychiatry, Shenzhen Nanshan Center for Chronic Disease Control, Shenzhen 518054, China; (X.H.)
| | - Yuhua Liao
- Department of Psychiatry, Shenzhen Nanshan Center for Chronic Disease Control, Shenzhen 518054, China; (X.H.)
| | - Huimin Zhang
- Department of Psychiatry, Shenzhen Nanshan Center for Chronic Disease Control, Shenzhen 518054, China; (X.H.)
| | - Kayla M. Teopiz
- Brain and Cognition Discovery Foundation, Toronto, ON M2J 4A6, Canada
| | - Roger S. McIntyre
- Brain and Cognition Discovery Foundation, Toronto, ON M2J 4A6, Canada
- Department of Pharmacology, University of Toronto, Toronto, ON M2J 4A6, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON M2J 4A6, Canada
| | - Beifang Fan
- Department of Psychiatry, Shenzhen Nanshan Center for Chronic Disease Control, Shenzhen 518054, China; (X.H.)
| | - Ciyong Lu
- Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China; (Y.C.)
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Sun Yat-sen University, Guangzhou 510080, China
- Guangdong Engineering Technology Research Center of Nutrition Translation, Guangzhou 510080, China
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Benham G, Charak R, Cano-Gonzalez I, Mena Teran J, Kenemore J. Recent Stressful Life Events and Perceived Stress as Serial Mediators of the Association between Adverse Childhood Events and Insomnia. Behav Med 2024:1-12. [PMID: 38634227 DOI: 10.1080/08964289.2024.2335175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Accepted: 03/19/2024] [Indexed: 04/19/2024]
Abstract
Insomnia is common in college students and linked to poorer mental and physical health. There is growing evidence that adverse childhood experiences (ACEs) may contribute to insomnia in adulthood. However, beyond the need for additional replication of these findings, there is a need to identify underlying mechanisms that plausibly connect the two experiences. Based on a serial mediation model, the current study examined the role of two theoretically informed mediators: recent stressful life events and perceived stress. A cross-sectional survey of 2,218 college students at a large university in the southwestern United States was conducted between August 2020 and December 2021. The sample was predominantly Hispanic (96%) and female (73%), with a mean age of 20.7 years. Standardized measures of adverse childhood experiences, recent stressful life events, perceived stress, and insomnia were administered to participants online. Almost 20% of participants reported having experienced four or more adverse childhood experiences and 63% met the threshold for insomnia. Reporting four or more ACEs was associated with significantly greater insomnia severity, and this relationship was serially mediated by both recent stressful life events and perceived stress. However, recent stressful life events appeared to be the most powerful mediator. The results of the current study indicate that recent exposure to stressful life events serves as a plausible mechanism linking early adversity during childhood to adult insomnia and could therefore serve as a potential target for intervention. The findings suggest that students would benefit from university-wide efforts to reduce the number and/or intensity of common stressors.
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Affiliation(s)
- Grant Benham
- Department of Psychological Science, The University of Texas Rio Grande Valley
| | - Ruby Charak
- Department of Psychological Science, The University of Texas Rio Grande Valley
| | - Ines Cano-Gonzalez
- Department of Psychological Science, The University of Texas Rio Grande Valley
| | - Joceline Mena Teran
- Department of Psychological Science, The University of Texas Rio Grande Valley
| | - Jordan Kenemore
- Department of Psychological Science, The University of Texas Rio Grande Valley
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Liu X, Yang Y, Liu ZZ, Jia CX. Bidirectional associations between sleep problems and suicidal thought/attempt in adolescents: A 3-wave data path analysis. J Affect Disord 2024; 350:983-990. [PMID: 38244795 DOI: 10.1016/j.jad.2024.01.153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 01/12/2024] [Accepted: 01/14/2024] [Indexed: 01/22/2024]
Abstract
PURPOSE This longitudinal data analysis examined the bidirectional relationships between sleep problems and suicidal thought (ST)/attempt (SA) in a large sample of Chinese adolescents. METHODS A total of 6995 adolescents (mean age = 14.86 years and 51.4% males) participated in a 3-wave longitudinal study of behavior and health in Shandong, China. A self-administered questionnaire and standardized scales were used to assess ST, SA, sleep duration, insomnia, daytime sleepiness, and behavioral/emotional problems in 2015 (T1), 1 year later (T2), and 2 years later (T3). Path analyses were performed without and with adjustment for covariates, including gender, grade level, chronic diseases, cigarette smoking, alcohol use, anxiety/depressive symptoms, paternal education, and family economic status. RESULTS The prevalence rates of short sleep (<7 h/night), insomnia symptoms, and daytime sleepiness were 46.9-58.8%, 16.0-19.4%, and 25.1-25.3% at T1, T2, and T3, respectively. The rates of past-year ST and SA were 9.1-12.4% and 1.6-2.4% at T1, T2, and T3, respectively. Path analyses showed that short sleep, insomnia, and daytime sleepiness predicted subsequent ST, and vice versa. Daytime sleepiness and SA predicted each other 1 year later. Sleep problems and ST/SA in the previous year significantly predicted themselves in the follow-up year. STUDY LIMITATION All data were based on self-report. CONCLUSION Short sleep, insomnia, and daytime sleepiness all had bidirectional relationships with ST. Daytime sleepiness and SA were bidirectionally linked. Our findings suggest that interventions should be taken for both night sleep disturbances and daytime sleepiness to prevent suicide. Adverse sleep outcomes in suicidal adolescents should be assessed, which can in turn increase suicide risk.
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Affiliation(s)
- Xianchen Liu
- Department of Epidemiology, School of Public Health, Cheeloo Medical College, Shandong University, Jinan 250012, China; South China Normal University School of Psychology, Guangzhou 510631, China; The University of Tennessee Health Science Center, Memphis, TN 38163, USA.
| | - Yanyun Yang
- Department of Educational Psychology and Learning Systems, Florida State University, Tallahassee, FL, USA
| | - Zhen-Zhen Liu
- School of Psychology, Northeast Normal University, Changchun 130024, China
| | - Cun-Xian Jia
- Department of Epidemiology, School of Public Health, Cheeloo Medical College, Shandong University, Jinan 250012, China
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Liu X, Yang Y, Liu ZZ, Jia CX. Life stress and suicidality mediated by insomnia and depressive symptoms in adolescents: a three-wave longitudinal study. Sleep 2024; 47:zsad121. [PMID: 37075813 DOI: 10.1093/sleep/zsad121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 04/07/2023] [Indexed: 04/21/2023] Open
Abstract
STUDY OBJECTIVES Little empirical work has investigated the associations between life stress (LS), insomnia, depression, and suicidality in multi-wave longitudinal studies. With three waves of data collection 1-year apart, this longitudinal study with a large sample of adolescents examined the predicting effects of LS on suicidality 1-year later and 2 years later and the mediating roles of insomnia and depression in the LS-suicidality link. METHODS A total of 6995 adolescents (mean age = 14.86 years, 51.4% male) participated in a three-wave longitudinal study of behavior and health in Shandong, China. A self-administered structured questionnaire and standardized scales were used to assess suicidality (including suicidal thought [ST], suicide plan [SP], and suicide attempt [SA]), LS, insomnia, and depression in 2015 (T1), 1-year later (T2), and 2 years later (T3). Mediation effects were examined with path models. RESULTS The overall prevalence rates of past-year suicidality were 13.4% at T1, 10.0% at T2, and 9.5% at T3, respectively. The prevalence rates of suicidality across T1-T3 significantly increased with elevated levels of baseline LS, insomnia, and depression (p < .001). Path models indicated that the relationship between baseline LS and suicidal ideation (i.e., ST/SP) 2 years later was significantly mediated by both insomnia and depression. Depression was also a significant mediator between LS and SA. CONCLUSIONS LS is a significant predictor of suicidality 1-2 years later in adolescents. Depression mediates the association between LS and suicidal ideation and suicide attempt while insomnia appears to be a mediator for suicidal ideation rather than suicide attempt.
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Affiliation(s)
- Xianchen Liu
- Center for Public Health Initiatives, University of Pennsylvania, Philadelphia, PA, USA
| | - Yanyun Yang
- Department of Educational Psychology and Learning Systems, Florida State University, Tallahassee, FL, USA
| | - Zhen-Zhen Liu
- School of Psychology, Northeast Normal University, Changchun, China
| | - Cun-Xian Jia
- Department of Epidemiology, School of Public Health, Cheeloo Medical College, Shandong University, Jinan, China
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Liu X, Liu ZZ, Yang Y, Jia CX. Starting a Romantic Relationship, Breakups, and Sleep: A Longitudinal Study of Chinese Adolescents. Behav Sleep Med 2024; 22:190-205. [PMID: 37325917 DOI: 10.1080/15402002.2023.2217973] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
BACKGROUND Epidemiological data on the association between romantic experiences and sleep in adolescents are limited. This study examined the associations of starting a romantic relationship (SRR) and romantic breakups with insomnia symptoms and sleep duration in adolescents. METHODS A total of 7,072 Chinese adolescents were surveyed in November-December 2015 and 1 year later. A self-administered questionnaire was used to assess SRR, romantic breakups, sleep duration, insomnia symptoms, depressive symptoms, substance use, and demographics. RESULTS The mean age of the sample was 14.58 (SD = 1.46) years and half were female. SRR only, breakups only, and both (SRR + breakups) in the past year were reported by 7.0%, 8.4%, and 15.4% of the sample, respectively. At the baseline and 1-year follow-up, 15.2% and 14.7% of the sample had insomnia symptoms and 47.7% and 42.1% reported short sleep duration (<7 h/night), respectively. After adjusting for depressive symptoms, substance use, and demographics, SRR and breakups were significantly associated with 35-45% increased odds of insomnia symptoms at baseline. SRR + breakups were significantly associated with short sleep duration (OR = 1.28, 95%CI = 1.05-1.56). SRR (OR = 1.61, 95%CI = 1.16-2.23) and breakups (OR = 1.43, 95%CI = 1.04-1.96) were significantly associated with increased odds of incident insomnia symptoms at 1-year follow-up. These associations were stronger in younger adolescents (<15 years) than in older adolescents (≥15 years), especially in girls. CONCLUSIONS The findings suggest that SRR and breakups are associated with insomnia symptoms and short sleep duration, underscoring the importance of romantic relationships education and management of romantic stress for healthy sleep especially in early adolescent girls.
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Affiliation(s)
- Xianchen Liu
- Center for Public Health Initiatives, University of Pennsylvania, Philadelphia, PA, USA
| | - Zhen-Zhen Liu
- School of Psychology, Northeast Normal University, Changchun, China
| | - Yanyun Yang
- Department of Educational Psychology and Learning Systems, Florida State University, Tallahassee, FL, USA
| | - Cun-Xian Jia
- Department of Epidemiology, School of Public Health, Cheeloo Medical College, Shandong University, Jinan, China
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Robles-Ramamurthy B, Zaki S, Sandoval JF, Dube AR, Hlozek S, Fortuna LR, Williamson AA. Improving adolescent sleep in long-term Juvenile correctional settings: case examples with clinical, research, and policy implications. SLEEP ADVANCES : A JOURNAL OF THE SLEEP RESEARCH SOCIETY 2024; 5:zpae006. [PMID: 38425455 PMCID: PMC10904105 DOI: 10.1093/sleepadvances/zpae006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 12/30/2023] [Indexed: 03/02/2024]
Abstract
Poor sleep during adolescence is a public health concern that may be especially important to address among youth in juvenile correctional facilities, who tend to experience greater mental health challenges, substance use disorders, and traumatic stress exposure. However, evidence for addressing sleep in correctional settings is limited. Using de-identified composite clinical cases, this paper describes challenges and opportunities for addressing sleep disorders (i.e. insomnia) and promoting sleep health (i.e. improving duration, regularity, and behaviors) among adolescents in long-term juvenile correctional facilities. These clinical cases highlight common presenting problems and underscore the need for integrated sleep and mental health interventions as well as adaptations to enhance feasibility and efficacy of behavioral sleep treatment and sleep health promotion in juvenile correctional contexts. We conclude by summarizing clinical, research, and policy implications for addressing adolescent sleep problems and promoting sleep health and well-being in these contexts.
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Affiliation(s)
- Barbara Robles-Ramamurthy
- Department of Psychiatry and Behavioral Sciences, University of Texas Health San Antonio, San Antonio, TX, USA
| | - Saadia Zaki
- Department of Psychiatry and Behavioral Sciences, University of Texas Health San Antonio, San Antonio, TX, USA
| | - Jessica F Sandoval
- Department of Psychiatry and Behavioral Sciences, University of Texas Health San Antonio, San Antonio, TX, USA
| | - Anish R Dube
- Department of Psychiatry, Charles R. Drew University College of Medicine and Science, Los Angeles, CA, USA
| | - Steven Hlozek
- Department of Internal Medicine, University of Texas Health San Antonio, San Antonio, TX, USA
| | - Lisa R Fortuna
- Department of Psychiatry and Neurosciences, University of California Riverside, School of Medicine, Riverside, CA, USA
| | - Ariel A Williamson
- Ballmer Institute for Children’s Behavioral Health, University of Oregon, Portland, OR, USA
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Liu X, Liu ZZ, Yang Y, Jia CX. Prevalence and Associated Factors of Premenstrual Syndrome in Chinese Adolescent Girls. Child Psychiatry Hum Dev 2023:10.1007/s10578-023-01624-8. [PMID: 37964097 DOI: 10.1007/s10578-023-01624-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/16/2023] [Indexed: 11/16/2023]
Abstract
Epidemiological data on premenstrual syndrome (PMS) in Chinese adolescents are limited. This study reported the prevalence and associated factors of PMS in a large sample of Chinese adolescents. A total of 5099 adolescent girls who had menarche participated in the baseline survey of Shandong Adolescent Behavior and Health Cohort study in Shandong, China. A self-administered questionnaire was used to ask about PMS, age at menarche, menstrual cycle interval, menstrual flow length, menstrual regularity, period pain, body weight and height, trait anger, stressful life events, and demographics. The mean age of the sample was 15.19 years (SD = 1.32). The overall prevalence of PMS was 24.6%. The prevalence rates of PMS-anxiety, PMS-water retention, PMS-craving, and PMS-depression were 18.9%, 4.0%, 7.9%, and 11.5%, respectively. The most common symptoms were premenstrual irritability (54%) and fatigue (52.5%). Stepwise logistic regression showed that high levels of life stress (OR 2.26), high levels of trait anger (OR 4.65), alcohol consumption (OR 1.28), menstrual cycle interval ≤ 24 days (OR 1.45), and mild (OR 1.50), moderate (OR 2.57) or severe period pain (OR 4.84) were all significantly associated with increased likelihood of PMS. In conclusion, approximately 1 in 4 Chinese adolescent girls suffered from PMS. Multiple psychosocial and menstrual factors were associated with PMS. Further research is needed to understand developmental changes of PMS and its long-term impacts on psychosocial wellbeing in Chinese adolescent girls.
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Affiliation(s)
- Xianchen Liu
- Center for Public Health Initiatives, University of Pennsylvania, Philadelphia, PA, 19104, USA.
- Department of Epidemiology, School of Public Health, Cheeloo Medical College, Shandong University, Jinan, China.
| | - Zhen-Zhen Liu
- School of Psychology, Northeast Normal University, Changchun, China
| | - Yanyun Yang
- Department of Educational Psychology and Learning Systems, Florida State University, Tallahassee, FL, USA
| | - Cun-Xian Jia
- Department of Epidemiology, School of Public Health, Cheeloo Medical College, Shandong University, Jinan, China
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Associations of social jetlag and insomnia symptoms with depressive symptoms among Chinese adolescents: A large population-based study. Sleep Med 2023; 104:98-104. [PMID: 36917899 DOI: 10.1016/j.sleep.2023.02.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/31/2023] [Accepted: 02/27/2023] [Indexed: 03/06/2023]
Abstract
OBJECTIVE This study aimed to evaluate the associations of social jetlag and insomnia symptoms with depressive symptoms among adolescents. METHODS A total of 37,871 junior high students completed an online survey between May 24th and Jun 5th, 2022. Insomnia symptoms were assessed by three items based on the Diagnostic and Statistical Manual of Mental Disorders criteria. Social jetlag and depressive symptoms were evaluated by the Munich Chronotype Questionnaire and the Patient Health Questionnaire, respectively. Restricted cubic splines were used to explore the relationship between social jetlag and depressive symptoms. Joint effects of social jetlag and insomnia symptoms on depressive symptoms were estimated using additive interaction models. RESULTS The prevalence of depressive symptoms was 13.1%. Depressive symptoms were more common in adolescents with social jetlag ≥2 h (OR: 1.51, 95% CI: 1.39-1.65) and insomnia symptoms (OR: 6.91, 95% CI: 6.41-7.44). There was a J-shaped relationship between social jetlag and depressive symptoms when we took social jetlag as a continuous variable. Moreover, a positive additive interaction of social jetlag ≥2 h and insomnia symptoms on depressive symptoms was found in female adolescents (RERI: 2.30, 95% CI: 0.11-4.49). CONCLUSIONS Our findings suggested that social jetlag ≥2 h and insomnia are related to the occurrence of depressive symptoms in adolescents. Their coexistence additively enhances the strength of the association with depressive symptoms. Early screening and intervention for insomnia, as well as methods to reduce social jetlag, should be comprised as part of preventive strategies for depression in adolescents.
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Kaluza J, Lozynska K, Rudzinska J, Granda D, Sicinska E, Szmidt MK. Mediterranean-Style Diet and Other Determinants of Well-Being in Omnivorous, Vegetarian, and Vegan Women. Nutrients 2023; 15:nu15030725. [PMID: 36771431 PMCID: PMC9920499 DOI: 10.3390/nu15030725] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/25/2023] [Accepted: 01/27/2023] [Indexed: 02/04/2023] Open
Abstract
Due to the lack of studies comparing the determinants of well-being in omnivores and vegetarians, we examined associations of socio-demographic and lifestyle factors, including adherence to a Mediterranean-style diet, in relation to well-being in omnivorous, vegetarian, and vegan women. Well-being was assessed using a validated WHO-5 Well-Being Index. Adherence to the Mediterranean-style diet was determined using a modified Mediterranean diet score. The study was conducted on 636 women (23.9 ± 5.7 years), of whom 47.3% were omnivores, 33.2% vegetarians, and 19.5% vegans. The good well-being group (WHO-5 Index ≥ 13 points) comprised 30.9% of the omnivores, 46.0% of the vegetarians, and 57.3% of the vegans. The remaining participants were classified as belonging to the poor well-being group (<13 points). Compared to the omnivores, the vegetarians and vegans had a 1.6-fold (95% CI: 1.04-2.42) and a 2.4-fold (95% CI: 1.45-3.99) higher probability of having good well-being, respectively. In omnivores, the predictors of good well-being were adherence to the Mediterranean-style diet (a 1-score increment was associated with a 17% higher probability of good well-being, P-trend = 0.016), higher self-perceived health status, and lower levels of stress. In vegetarians and vegans, it was older age, higher physical activity (≥3 h/week), 7-8 h sleep time, and similarly to omnivores' higher self-perceived health status and lower stress level. Our findings indicate that following a Mediterranean-style diet was associated with better well-being in omnivores. Furthermore, we identified that different determinants were associated with well-being in omnivorous and vegetarian and vegan women.
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Affiliation(s)
- Joanna Kaluza
- Department of Human Nutrition, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences (WULS-SGGW), Nowoursynowska 166, 02-787 Warsaw, Poland
| | - Katarzyna Lozynska
- Department of Human Nutrition, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences (WULS-SGGW), Nowoursynowska 166, 02-787 Warsaw, Poland
| | - Julia Rudzinska
- Department of Human Nutrition, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences (WULS-SGGW), Nowoursynowska 166, 02-787 Warsaw, Poland
| | - Dominika Granda
- Department of Nutrition Physiology and Dietetics, Institute of Sport, National Research Institute, Trylogii 2/16, 01-982 Warsaw, Poland
| | - Ewa Sicinska
- Department of Human Nutrition, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences (WULS-SGGW), Nowoursynowska 166, 02-787 Warsaw, Poland
| | - Maria Karolina Szmidt
- Department of Human Nutrition, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences (WULS-SGGW), Nowoursynowska 166, 02-787 Warsaw, Poland
- Correspondence: ; Tel.: +48-(22)-5937119
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