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6 "Case-control studies"
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Original Articles
Social Contact Patterns Associated With Tuberculosis: A Case-control Study in Southwest Iran
Neda Amoori, Bahman Cheraghian, Payam Amini, Seyed Mohammad Alavi
J Prev Med Public Health. 2022;55(5):485-491.   Published online September 30, 2022
  • 2,278 View
  • 106 Download
  • 3 Web of Science
  • 3 Crossref
AbstractAbstract PDFSupplementary Material
Tuberculosis (TB) is a major public health concern worldwide. Social contact patterns can affect the epidemiology and risk of airborne diseases such as TB. This study was designed to investigate the social contact patterns associated with TB.
In this case-control study, groups of participants with and without TB were matched by age and sex. Participants reported the nature, location, frequency, and average duration of social contacts over 1 month. The duration and number of social and spatial contacts were compared between groups using the chi-square test and the t-test. Odds ratios (ORs) with 95% confidence intervals (CIs) were used to quantify the relationship between social contact time and TB status. Data were analyzed using Stata version 11 statistical software. A p-value of <0.05 was considered to indicate statistical significance.
In this study, 80 patients with TB and 172 control participants were included, and a total of 3545 social contacts were registered. Social contact with family members (OR, 1.72; 95% CI, 1.10 to 2.40), contact with a person with TB (OR, 1.53; 95% CI, 1.16 to 2.01), and contact at the participant’s home (OR, 1.42; 95% CI, 1.19 to 1.82) were significantly associated with TB status.
The duration of long-term social contact, rather than the number of contacts, may be the main contact-related factor associated with TB transmission in this population. The focus of contact-tracing efforts should be on finding and treating both family members and long-term contacts in non-household settings.


Citations to this article as recorded by  
  • Collaboration and involvement of village heads, public health officer, and village midwives in improving adherence of tuberculosis patients
    Nixson Manurung, R. Hamdani Harahap, Fazidah A. Siregar, Lita Sri Andayani
    Clinical Epidemiology and Global Health.2024; 26: 101528.     CrossRef
  • Trends and risk factors for drug-resistant tuberculosis among children in Sichuan, China: A 10-year retrospective analysis, 2013–2022
    Maoying Li, Bin Deng, Yuhong Huang, Qiong Li, Jing Han, Shenjie Tang, Lei Chen
    Medicine.2024; 103(15): e37643.     CrossRef
  • Investigating the intensity of social contacts associated with tuberculosis: a weighted networks model
    Neda Amoori, Payam Amini, Bahman Cheraghian, Seyed Mohammad Alavi
    BMC Pulmonary Medicine.2023;[Epub]     CrossRef
Housing Conditions Contribute to Underweight in Children: An Example From Rural Villages in Southeast Sulawesi, Indonesia
Tasnim Tasnim, Gouranga Dasvarma, Lillian Mwanri
J Prev Med Public Health. 2017;50(5):328-335.   Published online September 7, 2017
  • 6,604 View
  • 198 Download
  • 4 Crossref
AbstractAbstract PDF
The prevalence of underweight in children under 5 years of age is anomalously high in Konawe District, Southeast Sulawesi Province, Indonesia. This state of affairs may be related to poor housing conditions, such as limited access to clean water, the absence of a sanitary latrine, and the use of poor housing materials. Therefore, this study aimed to examine the effect of housing conditions on underweight in under-5 children in Konawe District. Methods: This study was conducted in 2013 in 5 health centres in Konawe District, Southeast Sulawesi Province, and used a case-control study design. The study recruited 400 under-5 children, including 100 of whom were cases and 300 of whom were age-matched controls (1:3). Cases were underweight children, while the controls were children with a normal nutritional status. The independent variables were the availability and types of water and latrine facilities and housing materials (roof, wall, and floor). The statistical analysis used Cox regression. Results: A lack of water availability (odds ratio [OR], 5.0; 95% confidence interval [CI], 2.7 to 9.5; p<0.001), a lack of latrine availability in the home (OR, 2.5; 95% CI, 1.5 to 4.0; p<0.001), and poor-quality roofing materials (OR, 1.7; 95% CI, 1.1 to 2.7; p<0.02) significantly contributed to underweight in children. In contrast, the walls and the floors did not contribute to under-5 year children being underweight (p=0.09 and p=0.71, respectively). Conclusions: Sanitation facilities and roofing were identified as important factors to address in order to improve children’s nutritional status. Children’s health status was directly impacted by food intake via their nutritional status.


Citations to this article as recorded by  
  • Stunting incident prevention: a systematic literature review
    Fitri Rachmillah Fadmi, Kuntoro Kuntoro, Bambang Otok Widjanarko, Soenarnatalina Melaniani
    Journal of Public Health in Africa.2023;[Epub]     CrossRef
  • Achieving Zero Stunting: A Sustainable Development Goal Interlinkage Approach at District Level
    Ahmad Komarulzaman, Robi Andoyo, Zuzy Anna, Aisyah Amatul Ghina, Putri Riswani Halim, Herlina Napitupulu, Monica Ruth Karunia, Annisa Andriani
    Sustainability.2023; 15(11): 8890.     CrossRef
  • Korelasi Karakteristik Fisik Rumah dan Tingkat Kerentanan Sosio-Ekonomi di Tepian Sungai Kapuas Pontianak
    Ely Nurhidayati, Trida Ridho Fariz
    Jurnal Wilayah dan Lingkungan.2021; 9(1): 50.     CrossRef
  • Demographic and Social-Economic Determinants of Malnutrition among Children (0-23 Months Old) in Kenya
    Teresia Mbogori, James Muriuki
    International Journal of Child Health and Nutrition.2021; 10(3): 80.     CrossRef
Brief Reports
Month and Season of Birth as a Risk Factor for Alzheimer’s Disease: A Nationwide Nested Case-control Study
Anna-Maija Tolppanen, Riitta Ahonen, Marjaana Koponen, Piia Lavikainen, Maija Purhonen, Heidi Taipale, Antti Tanskanen, Jari Tiihonen, Miia Tiihonen, Sirpa Hartikainen
J Prev Med Public Health. 2016;49(2):134-138.   Published online March 23, 2016
  • 7,595 View
  • 134 Download
  • 9 Crossref
AbstractAbstract PDF
Season of birth, an exogenous indicator of early life environment, has been related to higher risk of adverse psychiatric outcomes but the findings for Alzheimer’s disease (AD) have been inconsistent. We investigated whether the month or season of birth are associated with AD.
A nationwide nested case-control study including all community-dwellers with clinically verified AD diagnosed in 2005 to 2012 (n=70 719) and up to four age- sex- and region of residence-matched controls (n=282 862) residing in Finland. Associations between month and season of birth and AD were studied with conditional logistic regression.
Month of birth was not associated with AD (p=0.09). No strong associations were observed with season (p=0.13), although in comparison to winter births (December-February) summer births (June-August) were associated with higher odds of AD (odds ratio, 1.03; 95% confidence interval, 1.00 to 1.05). However, the absolute difference in prevalence in winter births was only 0.5% (prevalence of those born in winter were 31.7% and 32.2% for cases and controls, respectively).
Although our findings do not support the hypothesis that season of birth is related to AD/dementia risk, they do not invalidate the developmental origins of health and disease hypothesis in late-life cognition. It is possible that season does not adequately capture the early life circumstances, or that other (postnatal) risk factors such as lifestyle or socioeconomic factors overrule the impact of prenatal and perinatal factors.


Citations to this article as recorded by  
  • Risk factors for the alzheimer's disease. Systematic review and meta-analysis
    G. R. Khasanova, M. Sh. Muzaffarova
    Fundamental and Clinical Medicine.2024; 8(4): 101.     CrossRef
  • Do prenatal factors shape the risk for dementia?: A systematic review of the epidemiological evidence for the prenatal origins of dementia
    Aline Marileen Wiegersma, Amber Boots, Miranda W. Langendam, Jacqueline Limpens, Susan D. Shenkin, Aniko Korosi, Tessa J. Roseboom, Susanne R. de Rooij
    Social Psychiatry and Psychiatric Epidemiology.2023;[Epub]     CrossRef
  • Season of birth and vulnerability to the pathology of Alzheimer's disease: an in vivo positron emission tomography study
    Fumihiko Yasuno, Hiroyuki Minami
    Psychogeriatrics.2022; 22(4): 445.     CrossRef
  • Season-of-birth phenomenon in health and longevity: epidemiologic evidence and mechanistic considerations
    Alexander Vaiserman
    Journal of Developmental Origins of Health and Disease.2021; 12(6): 849.     CrossRef
  • Understanding the Link Between Maternal Overnutrition, Cardio-Metabolic Dysfunction and Cognitive Aging
    Daria Peleg-Raibstein
    Frontiers in Neuroscience.2021;[Epub]     CrossRef
  • Season of birth and the risk of dementia in the population‐based Rotterdam Study
    Sanne S. Mooldijk, Silvan Licher, Elisabeth J. Vinke, Meike W. Vernooij, Mohammad Kamran Ikram, Mohammad Arfan Ikram
    European Journal of Epidemiology.2021; 36(5): 497.     CrossRef
  • Month of birth and mental disorders: A population‐based study and validation using global meta‐analysis
    Chih‐Wei Hsu, Ping‐Tao Tseng, Yu‐Kang Tu, Pao‐Yen Lin, Chi‐Fa Hung, Chih‐Sung Liang, Yun‐Yu Hsieh, Yao‐Hsu Yang, Liang‐Jen Wang, Hung‐Yu Kao
    Acta Psychiatrica Scandinavica.2021; 144(2): 153.     CrossRef
  • Association Between Season of Birth and Cognitive Aging in Older Adults: Pan-European Population-Based Study on 70,000 Individuals
    Matej Kucera, Katrin Wolfova, Pavla Cermakova
    Journal of Alzheimer's Disease.2021; 82(4): 1703.     CrossRef
  • Season of birth and dementia: Findings from Chinese elderly based on a nationwide data
    Ruoxi Ding, Ping He, Xinming Song, Xiaoying Zheng
    American Journal of Human Biology.2020;[Epub]     CrossRef
Is Caffeine Intake Associated With Urinary Incontinence in Japanese Adults?
Fumi Hirayama, Andy H. Lee
J Prev Med Public Health. 2012;45(3):204-208.   Published online May 31, 2012
  • 9,340 View
  • 78 Download
  • 11 Crossref
AbstractAbstract PDF

To investigate whether caffeine intake is associated with urinary incontinence (UI) among Japanese adults.


A total of 683 men and 298 women aged 40 to 75 years were recruited from the community in middle and southern Japan. A validated food frequency questionnaire was administered face-to-face to obtain information on dietary intake and habitual beverage consumption. Urinary incontinence status was ascertained using the International Consultation on Incontinence Questionnaire-Short Form.


Mean daily caffeine intake was found to be similar between incontinent subjects (men 120 mg, women 94 mg) and others without the condition (men 106 mg, women 103 mg), p=0.33 for men and p=0.44 for women. The slight increases in risk of UI at the highest level of caffeine intake were not significant after adjusting for confounding factors. The adjusted odds ratios (95% confidence interval) were 1.36 (0.65 to 2.88) and 1.12 (0.57 to 2.22) for men and women, respectively.


No association was evident between caffeine intake and UI in middle-aged and older Japanese adults. Further studies are required to confirm the effect of caffeine in the prevention of UI.



Citations to this article as recorded by  
  • Clinical Guidelines for Female Lower Urinary Tract Symptoms (second edition)
    Satoru Takahashi, Mineo Takei, Hirotaka Asakura, Momokazu Gotoh, Osamu Ishizuka, Kumiko Kato, Masayasu Koyama, Masami Takeyama, Hikaru Tomoe, Tomonori Yamanishi, Osamu Yokoyama, Masaki Yoshida, Yasukuni Yoshimura, Tsuyoshi Yoshizawa
    International Journal of Urology.2021; 28(5): 474.     CrossRef
  • Caffeine as a Factor Influencing the Functioning of the Human Body—Friend or Foe?
    Kamil Rodak, Izabela Kokot, Ewa Maria Kratz
    Nutrients.2021; 13(9): 3088.     CrossRef
  • Coffee intake, health-related quality of life, and associated factors of overactive bladder in older Korean women living in rural South Korea
    Jeongok Park, Young Joo Lee, Kyunghwa Lee, SoMi Park
    Journal of Women & Aging.2019; 31(5): 367.     CrossRef
  • Harninkontinenz bei geriatrischen Patienten, Diagnostik und Therapie

    Aktuelle Urologie.2019; 50(S 01): s11.     CrossRef
  • Prospective study on the effects of regular and decaffeinated coffee on urinary symptoms in young and healthy volunteers
    Andrea Staack, Brian Distelberg, Amy Schlaifer, Joan Sabaté
    Neurourology and Urodynamics.2017; 36(2): 432.     CrossRef
  • No Association of Caffeinated Beverage or Caffeine Intake with Prevalence of Urinary Incontinence Among Middle-Aged Japanese Women: A Multicenter Cross-Sectional Study
    Masafumi Saito, Satomi Kobayashi, Hiroyuki Uchida, Hitomi Suga, Jun Kobayashi, Satoshi Sasaki, the Three-Generation Study of Women
    Journal of Women's Health.2017; 26(8): 860.     CrossRef
  • Impact of Caffeine on Overactive Bladder Symptoms
    Imari-Ashley F. Palma, Andrea Staack
    Current Bladder Dysfunction Reports.2016; 11(1): 1.     CrossRef
  • Coffee and caffeine intake and risk of urinary incontinence: a meta-analysis of observational studies
    Shenyou Sun, Dongbin Liu, Ziyao Jiao
    BMC Urology.2016;[Epub]     CrossRef
  • Caffeine Intake Is Associated with Urinary Incontinence in Korean Postmenopausal Women: Results from the Korean National Health and Nutrition Examination Survey
    Jong Min Baek, Jae Yen Song, Sung Jong Lee, Eun Kyung Park, In Cheul Jeung, Chan Joo Kim, Yong Seok Lee, Jayoung Kim
    PLOS ONE.2016; 11(2): e0149311.     CrossRef
  • Caffeine Intake and its Association with Urinary Incontinence in United States Men: Results from National Health and Nutrition Examination Surveys 2005–2006 and 2007–2008
    Nicole J. Davis, Camille P. Vaughan, Theodore M. Johnson, Patricia S. Goode, Kathryn L. Burgio, David T. Redden, Alayne D. Markland
    Journal of Urology.2013; 189(6): 2170.     CrossRef
  • Selected Literature Watch

    Journal of Caffeine Research.2012; 2(2): 99.     CrossRef
Original Articles
A Case-Control Study on the Relationship between Obesity and Female Colorectal Cancer.
Aesun Shin, Hachung Yoon, Keun Young Yoo
Korean J Prev Med. 2002;35(2):147-152.
  • 2,390 View
  • 72 Download
AbstractAbstract PDF
A hospital-based case-control study was conducted to evaluate the role of obesity in the development of colorectal cancer. METHODS: Three hundred and twenty four histologically confirmed female colorectal cancer cases and 26,998 non-cancer controls were selected from patients invited to the Aichi Cancer Center, Nagoya, Japan between 1989 and 1995. Information concerning demographic factors, medical history, family medical history, reproductive factors and dietary factors were obtained from self-administered questionnaires and medical records. The effects of weight and body mass index to colorectal cancer were examined using multiple logistic regression to control for other risk factors. RESULTS: There was no significant association between female colorectal cancer and obesity. Heavier weight adjusted for height or body mass index did not increase the risk of colorectal cancer. CONCLUSIONS: These results suggest that there is no associa-tion between colorectal cancer risk and obesity in women.
Risk Factors for Cerebrovascular Disorders in Koreans.
Jong Ku Park, Ki Soon Kim, Chun Bae Kim, Tae Yong Lee, Duk Hee Lee, Kwang Wook Koh, Kang Sook Lee, Sun Ha Jee, Il Suh, So Yeon Ryu, Kee Ho Park
Korean J Prev Med. 2001;34(2):157-165.
  • 2,204 View
  • 24 Download
AbstractAbstract PDF
To identify the risk factors of cerebrovascular disorders(CVD) in Koreans using a nested case-control study. METHODS: The cohort consisted of beneficiaries who had taken health examinations of the Korea Medical Insurance Corporation (KMIC cohort: 115,600 persons) in 1990 and 1992 consecutively. Four hundred and twenty five (425) cases were selected following the validation of diagnosis among 2,026 reported CVD (I60-I68) inpatients during the year from 1993 to 1997. Controls were matched (1:1) with age and gender of the cases among inpatients without CVD during the same period. The source of data in this study were the files of the 1990 health examinations and the 1992 health questionnaires, as well as an additional telephone survey undertaken from March to November 1999. RESULTS: In a bivariate analysis and multiple logistic regression analysis, risk factors for total CVD were hyperglycemia and hypertension. Unrespectively, the odds ratio of ex-smoker was significantly lower than that of those who had never smoked. The risk factors for ischemic CVD also were hyperglycemia and hypertension. However, only blood pressure was found to be a risk factor for hemorrhagic CVD. Hypercholesterolemia was not a risk factor for total CVD, ischemic CVD, and hemorrhagic CVD. CONCLUSION: We concluded that the most important risk factor for CVD (including subtype) in Koreans was hypertension.

JPMPH : Journal of Preventive Medicine and Public Health