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Original Article
The relationship between poor sleep quality measured by the Pittsburgh Sleep Quality Index and smoking status according to sex and age: an analysis of the 2018 Korean Community Health Survey
Jun Hyun Hwang, Soon-Woo Park
Epidemiol Health. 2022;44:e2022022.   Published online February 14, 2022
DOI: https://doi.org/10.4178/epih.e2022022
  • 10,834 View
  • 454 Download
  • 5 Web of Science
  • 5 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
Multiple studies have found that cigarette smokers are more likely to experience sleep disturbances than non-smokers. This study aimed to examine various associations between smoking and sleep quality according to sex and age, which have yet to be sufficiently examined in prior studies.
METHODS
Data analysis was conducted using a nationally representative sample of 224,986 Korean adults who participated in the 2018 Korea Community Health Survey. Sleep quality, as the dependent variable, was measured using the Pittsburgh Sleep Quality Index (PSQI), with PSQI scores indicating either good (≤4 points) or poor (>5 points) sleep quality. Multiple logistic regression analysis was performed considering socio-demographic factors, health behaviors, comorbidities, and psychological factors as covariates.
RESULTS
The overall weighted prevalence of poor sleep quality was 39.4% (95% confidence interval, 39.1 to 39.7). In the multivariate model that excluded psychological factors, poor sleep quality positively correlated to smoking for both sexes and all age groups except for male aged ≥65 years. However, in the full model that included psychological factors, statistically significant odds ratios (approximately 1.5) for poor sleep quality according to smoking status were only observed for female under 65 years of age.
CONCLUSIONS
The relationship between poor sleep quality and smoking status differed according to sex and age. In order to improve the quality of sleep, it is necessary to intervene smoking cessation along with solving psychological problems, especially female in middle age and younger.
Summary
Korean summary
한국 성인의 39.4%는 수면의 질(피츠버그 수면의 질 지수(PSQI) 기준)이 낮았다. 성별 및 연령에 따라 흡연과 수면의 질 사이의 관련성은 다르게 나타났다. 구체적으로는 65세 이하의 여성에서 흡연은 수면의 질 악화와 관련성이 있었으나, 남성 또는 65세 이상 여성에서는 흡연과 수면의 질 간 유의한 관련성을 보이지 않았다.
Key Message
In order to improve the quality of sleep, it is necessary to intervene smoking cessation along with solving psychological problems, especially female in middle age and younger.

Citations

Citations to this article as recorded by  
  • Association between consumption of tryptophan with sleep quality in King Saud University students
    Nora Alafif
    Journal of King Saud University - Science.2024; 36(2): 103046.     CrossRef
  • The Microbiota–Gut–Brain Axis in Metabolic Syndrome and Sleep Disorders: A Systematic Review
    Adriano dos Santos, Serena Galiè
    Nutrients.2024; 16(3): 390.     CrossRef
  • The association between passive smoking and sleep quality in a Chinese hypertensive population: A cross-sectional study
    Niuniu Sun+, Yang Ni+, Yuqian Deng, Jiale Qi, Zhenjie Yu, Chang Wu, Juan He, Yibo Wu
    Tobacco Induced Diseases.2024; 22(February): 1.     CrossRef
  • Network analysis of smoking-related sleep characteristics in Chinese adults
    Yuting Xie, Peiyuan Sun, Huang Huang, Jianjun Wu, Yue Ba, Guoyu Zhou, Fangfang Yu, Daming Zhang, Yaqun Zhang, Ranran Qie, Zhuolun Hu, Kaiyong Zou, Yawei Zhang
    Annals of Medicine.2024;[Epub]     CrossRef
  • The associations between working conditions and subjective sleep quality among female migrant care workers
    I-Ming Chen, Tzu-Yun Lin, Yi-Ling Chien, Jennifer Yi-Ying Chen, Jen-Hui Chan, Shih-Cheng Liao, Po-Hsiu Kuo, Hsi-Chung Chen
    Frontiers in Public Health.2023;[Epub]     CrossRef
Health Statisticses
A comparison of breast cancer survival across different age groups: a multicentric database study in Penang, Malaysia
King Fang Tan, Farzaana Adam, Hasmah Hussin, Noor Mastura Mohd Mujar
Epidemiol Health. 2021;43:e2021038.   Published online May 25, 2021
DOI: https://doi.org/10.4178/epih.e2021038
  • 13,689 View
  • 379 Download
  • 11 Web of Science
  • 11 Crossref
AbstractAbstract AbstractSummary PDF
Abstract
This study compared breast cancer survival and the prognostic factors across different age groups of women in Penang, Malaysia. Data on 2,166 women with breast cancer who had been diagnosed between 2010 and 2014 were extracted from the Penang Breast Cancer Registry and stratified into 3 age groups: young (< 40 years old), middle-aged (40-59 years old), and elderly (≥ 60 years). The overall and relative survival rates were calculated using the life table method, median survival time was calculated using the Kaplan-Meier method, and comparisons between groups were conducted using the log-rank test. Prognostic factors were analyzed using a Cox proportional hazards model. The 5-year overall and breast cancer-specific survival rates for women with breast cancer in Penang were 72.9% and 75.2%, with a mean survival time of 92.5 months and 95.1 months, respectively. The 5-year breast cancer-specific survival rates for young, middle-aged, and elderly women were 74.9%, 77.8%, and 71.4%, respectively, with a mean survival time of 95.7 months, 97.5 months, and 91.2 months. There was a significant difference in breast cancer survival between age groups, with elderly women showing the lowest survival rate, followed by young and middle-aged women. Disease stage was the most prominent prognostic factor for all age groups. Survival rates and prognostic factors differed according to age group. Treatment planning for breast cancer patients should be age-specific to promote better cancer care and survival.
Summary
Key Message
The relationship between breast cancer survival and age at diagnosis has been explored, but information between survival at different age groups remains unclear, in addition to conflicting study results. This multicentre study was conducted to compare breast cancer survival across different age groups in an Asian setting.

Citations

Citations to this article as recorded by  
  • Illuminating the breast cancer survival rates among Southeast Asian women: A systematic review and meta-analysis spanning four decades
    Duc Tran Quang, Thanh Luong Thi, Khanh Nguyen Di, Chi Vu Thi Quynh, Huyen Nguyen Thi Hoa, Quang Phan Ngoc
    Current Problems in Cancer.2024; 48: 101062.     CrossRef
  • Clinical characteristics and prognostic factors of male breast cancer in China
    Han Lei, Baojie Hua, Yingying Mao, Wei Cui, Caiping Mao, Shaoxue Yang, Jiayu Li
    Frontiers in Oncology.2024;[Epub]     CrossRef
  • Five-year survival prognosis of young, middle-aged, and elderly adult female invasive breast cancer patients by clinical and lifestyle characteristics
    Yu-Tung Teng, Yong Alison Wang, Yaa-Hui Dong, Jason J. Liu
    Breast Cancer Research and Treatment.2024; 205(3): 619.     CrossRef
  • Extracellular Vesicles in Breast Cancer: From Intercellular Communication to Therapeutic Opportunities
    Barathan Muttiah, Sook Luan Ng, Yogeswaran Lokanathan, Min Hwei Ng, Jia Xian Law
    Pharmaceutics.2024; 16(5): 654.     CrossRef
  • Cancer–related symptoms among young and middle–aged women undergoing chemotherapy for breast cancer: Application of latent class analysis and network analysis
    Tingting Cai, Tingting Zhou, Qingmei Huang, Fulei Wu, Feixia Ni, Changrong Yuan
    European Journal of Oncology Nursing.2023; 63: 102287.     CrossRef
  • myBeST—A Web-Based Survival Prognostic Tool for Women with Breast Cancer in Malaysia: Development Process and Preliminary Validation Study
    Mohd Nasrullah Nik Ab Kadir, Suhaily Mohd Hairon, Najib Majdi Yaacob, Siti Norbayah Yusof, Kamarul Imran Musa, Maya Mazuwin Yahya, Seoparjoo Azmel Mohd Isa, Muhammad Hafizuddin Mamat Azlan, Imi Sairi Ab Hadi
    International Journal of Environmental Research and Public Health.2023; 20(4): 2985.     CrossRef
  • Clinical Features and Outcomes of Triple-Negative Breast Cancer Among Latin American Adolescents and Young Adults Compared to Middle-Aged and Elder Females: A Cohort Analysis Over 15 Years
    Bryan Valcarcel, J. Smith Torres-Roman, Daniel Enriquez-Vera, Gabriel De-la-Cruz-Ku
    Journal of Adolescent and Young Adult Oncology.2023; 12(5): 625.     CrossRef
  • Metastasis pattern and prognosis of large cell neuroendocrine carcinoma: a population-based study
    Tongchao Jiang, Haishuang Sun, Na Li, Tongcui Jiang
    Journal of Cancer Research and Clinical Oncology.2023; 149(15): 13511.     CrossRef
  • The prognostic impact of body mass index on female breast cancer patients in underdeveloped regions of northern China differs by menopause status and tumor molecular subtype
    Lijun Ma, Ailan Liu, Jinnan Gao, Haoliang Zhao
    Open Life Sciences.2023;[Epub]     CrossRef
  • A Metabolic Gene Signature to Predict Breast Cancer Prognosis
    Jun Lu, Pinbo Liu, Ran Zhang
    Frontiers in Molecular Biosciences.2022;[Epub]     CrossRef
  • Development of Predictive Models for Survival among Women with Breast Cancer in Malaysia
    Mohd Nasrullah Nik Ab Kadir, Najib Majdi Yaacob, Siti Norbayah Yusof, Imi Sairi Ab Hadi, Kamarul Imran Musa, Seoparjoo Azmel Mohd Isa, Balqis Bahtiar, Farzaana Adam, Maya Mazuwin Yahya, Suhaily Mohd Hairon
    International Journal of Environmental Research and Public Health.2022; 19(22): 15335.     CrossRef
Changing trends in the incidence (1999-2011) and mortality (1983-2013) of cervical cancer in the Republic of Korea
Yoon Park, Champadeng Vongdala, Jeongseon Kim, Moran Ki
Epidemiol Health. 2015;37:e2015024.   Published online May 29, 2015
DOI: https://doi.org/10.4178/epih/e2015024
  • 24,794 View
  • 246 Download
  • 20 Web of Science
  • 14 Crossref
AbstractAbstract AbstractSummary PDF
Abstract
Cervical cancer is a well-known preventable cancer worldwide. Many countries including Korea have pursued the positive endpoint of a reduction in mortality from cervical cancer. Our aim is to examine changing trends in cervical cancer incidence and mortality after the implementation of a national preventive effort in Korea. Cervical cancer incidence data from 1999 to 2011 and mortality data from 1983 to 2013 were collected from the Korean Statistical Information Service. Yearly age-standardized rates (ASR) per 100,000 were compared using two standards: the 2005 Korean population and the world standard population, based on Segi’s world standard for incidence and the World Health Organization for mortality. In Korea, the age-standardized incidence of cervical cancer per 100,000 persons declined from 17.2 in 2000 to 11.8 in 2011. However, the group aged 25 to 29 showed a higher rate in 2011 (ASR, 6.5) than in 2000 (ASR, 3.6). The age-standardized mortality rate per 100,000 persons dropped from 2.81 in 2000 to 1.95 in 2013. In the worldwide comparison, the incidence rates remained close to the average incidence estimate of more developed regions (ASR, 9.9). The decreasing mortality trend in Korea approached the lower rate observed in Australia (ASR, 1.4) in 2010. Although the incidence rate of cervical cancer is continuously declining in Korea, it is still high relative to other countries. Moreover, incidence and mortality rates in females aged 30 years or under have recently increased. It is necessary to develop effective policy to reduce both incidence and mortality, particularly in younger age groups.
Summary
Korean summary
한국의 자궁경부암 발생률과 사망률은 꾸준히 감소하고 있는 추세이다. 그러나 한국의 발생률은 여러 선진국에 비해 여전히 높은 수준에 머무르고 있다. 또한, 지난 10년 동안 자궁경부암 사망률은 상대적으로 큰 감소를 보이지 않았다. 특히 35세 미만에서는 자궁경부암 발생률이 감소하지 않았고, 사망률은 오히려 높아진 것으로 나타났다. 젊은 연령층의 자궁경부암 예방과 관리가 필요하다.

Citations

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  • Income-based disparities in the risk of distant-stage cervical cancer and 5-year mortality after the introduction of a National Cancer Screening Program in Korea
    Erdenetuya Bolormaa, Seung-Ah Choe, Mia Son, Myung Ki, Domyung Paek
    Epidemiology and Health.2022; 44: e2022066.     CrossRef
  • Effect of Pap smears on the long-term survival of cervical cancer patients: a nationwide population-based cohort study in Korea
    Xuan Quy Luu, Kyeongmin Lee, Jae Kwan Jun, Mina Suh, kyu-won Jung, Myong Cheol Lim, Kui Son Choi
    Epidemiology and Health.2022; 44: e2022072.     CrossRef
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    International Journal of Cancer Management.2021;[Epub]     CrossRef
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Epidemiol Health : Epidemiology and Health