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Volume 44(2); March 2023

Editorial

Association between Coffee and Green Tea Consumption and Iron Deficiency Anemia in Korea
Jungun Lee
Korean J Fam Med 2023;44(2):69-70.   Published online March 20, 2023
DOI: https://doi.org/10.4082/kjfm.44.2E

Citations

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  • Anemia status and associated factors among adolescent girls under weekly iron and folic acid supplementation (WIFAS) and non-WIFAS programs in public schools in Janamora district, Northwest Ethiopia 2023; a comparative cross-sectional study
    Thomas Kidanemariam Yewodiaw, Meron Asmamaw Alemayehu, Destaw Fetene Teshome
    BMC Nutrition.2025;[Epub]     CrossRef
  • Association between green tea and coffee consumption and body iron storage in Japanese men and women: a cross-sectional study from the J-MICC Study Saga
    Hinako Nanri, Megumi Hara, Yuichiro Nishida, Chisato Shimanoe, Chiharu Iwasaka, Yasuki Higaki, Keitaro Tanaka
    Frontiers in Nutrition.2023;[Epub]     CrossRef
  • Sustainable practice: Sustainable prescribing of iron replacement therapy
    Myles Sergeant, Jennifer Do, Ana Hategan
    BMJ.2023; : e075741.     CrossRef
  • 5,373 View
  • 250 Download
  • 5 Web of Science
  • 3 Crossref

Review Articles

Management of Sarcopenia in Primary Care Settings
Chang Won Won
Korean J Fam Med 2023;44(2):71-75.   Published online March 20, 2023
DOI: https://doi.org/10.4082/kjfm.22.0224
With aging, loss of skeletal muscle mass and muscle function increases, resulting in an increased risk of falls, fractures, long-term institutional care, cardiovascular and metabolic diseases, and even death. Sarcopenia, which is derived from the Greek words “sarx” or flesh+“penia” or loss, is defined as a condition characterized by low muscle mass and low muscle strength and performance. In 2019, the Asian Working Group for Sarcopenia (AWGS) published a consensus paper on the diagnosis and treatment of sarcopenia. The AWGS 2019 guideline, specifically, presented strategies for case-finding and assessment to help diagnose “possible sarcopenia” in primary care settings. For case finding, the AWGS 2019 guideline proposed an algorithm that recommends calf circumference measurement (cut-off <34 cm in men, <33 cm in women) or the SARC-F (strength, assistance with walking, rising from a chair, climbing stairs, and falls) questionnaire (cut-off ≥4). If this case finding is confirmed, handgrip strength (cutoff <28 kg in men, <18 kg in women) or the 5-time chair stand test (≥12 seconds) should be performed to diagnose “possible sarcopenia.” If an individual is diagnosed as “possible sarcopenia,” AWGS 2019 recommends that the individual should start lifestyle interventions and related health education for primary healthcare users. Because no medication is available to treat sarcopenia, exercise and nutrition is essential for sarcopenia management. Many guidelines, recommend physical activity, with a focus on progressive resistance (strength) training, as a first-line therapy for the management of sarcopenia. It is essential to educate older adults with sarcopenia on the need to increase protein intake. Many guidelines recommended that older people should consume at least 1.2 g of proteins/kg/d. This minimum threshold can be increased in the presence of catabolic or muscle wasting. Previous studies reported that leucine, a branched-chain amino acid, is essential for protein synthesis in muscle, and a stimulator for skeletal muscle synthesis. A guideline conditionally recommends that diet or nutritional supplements should be combined with exercise intervention for older adults with sarcopenia.

Citations

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  • Evaluating sarcopenia and nutritional status in outpatients with liver cirrhosis: concordance of diagnostic methods
    Marina Demas Rezende Gischewski, Fernanda Lívia Cavalcante Araujo, Aryana Isabelle De Almeida Neves Siqueira, Alina Joana da Silva Wallraf, João Araújo Barros Neto, Nassib Bezerra Bueno Nassib, Juliana Célia de Farias Santos, Fabiana Andréa Moura
    Nutrición Hospitalaria.2025;[Epub]     CrossRef
  • Update on the Complications and Management of Liver Cirrhosis
    Hiba Fadlallah, Diala El Masri, Hisham F. Bahmad, Wassim Abou-Kheir, Jad El Masri
    Medical Sciences.2025; 13(1): 13.     CrossRef
  • Diabetes and Sarcopenia: Intersection of Co Morbid Conditions
    Byron J. Hoogwerf
    OBM Geriatrics.2025; 09(01): 1.     CrossRef
  • Prevalence and Associated Factors of Dynapenia, Pre-Sarcopenia, and Sarcopenia in Korean Adults: A Cross-Sectional Epidemiological Study
    Do-Youn Lee
    Medicina.2025; 61(4): 575.     CrossRef
  • The Prognostic Significance of Handgrip Strength in Cirrhosis: Simplicity Is the Ultimate Sophistication
    Binxin Cui, Ziyi Yang, Chao Sun
    Portal Hypertension & Cirrhosis.2025; 4(2): 100.     CrossRef
  • Guidelines for obesity clinic consultations in primary healthcare clinics
    Jee-Hyun Kang, Kyoung-Kon Kim
    Journal of the Korean Medical Association.2024; 67(4): 240.     CrossRef
  • Guidelines for physical activity counseling in primary healthcare clinics
    Yun Jun Yang
    Journal of the Korean Medical Association.2024; 67(4): 265.     CrossRef
  • Whole Genome Linkage and Association Analyses Identify DLG Associated Protein-1 as a Novel Positional and Biological Candidate Gene for Muscle Strength: The Long Life Family Study
    Adam J Santanasto, Sandeep Acharya, Mary K Wojczynski, Ryan K Cvejkus, Shiow Lin, Michael R Brent, Jason A Anema, Lihua Wang, Bharat Thyagarajan, Kaare Christensen, E Warwick Daw, Joseph M Zmuda, Lewis A Lipsitz
    The Journals of Gerontology, Series A: Biological Sciences and Medical Sciences.2024;[Epub]     CrossRef
  • Predictors of hip fracture in 15 European countries: a longitudinal study of 48,533 geriatric adults using SHARE dataset
    M. Azhar Hussain, Rizwan Qaisar, Asima Karim, Firdos Ahmad, Fabio Franzese, Atif Awad, Abeer A. Al-Masri, Mohammed Alsaeed, Shaea A. Alkahtani
    Archives of Osteoporosis.2024;[Epub]     CrossRef
  • Open, Active-Controlled Clinical Study to Evaluate the Correlation between Whole Body DEXA and BIA Muscle Measurements
    Yong-Chan Ha, Shinjune Kim, Jun-Il Yoo
    Journal of Bone Metabolism.2024; 31(3): 219.     CrossRef
  • Doctor and patient perceptions of sarcopenia in community-based primary care clinics: a questionnaire survey
    Jungha Park, Daehyun Lee, Jae Young Jang, Jung-Ha Kim, Jae Uk Baek, Myungkwan Jeong, Sungwouk Kim, Moonbae Kyoung, Miji Kim, Chang Won Won
    European Geriatric Medicine.2024; 15(6): 1827.     CrossRef
  • Frequency of clinical signs in patients with Cushing's syndrome and mild autonomous cortisol secretion: overlap is common
    Leah T Braun, Frederick Vogel, Elisabeth Nowak, German Rubinstein, Stephanie Zopp, Katrin Ritzel, Felix Beuschlein, Martin Reincke
    European Journal of Endocrinology.2024; 191(4): 473.     CrossRef
  • Efficacy of a combined exercise and nutrition intervention study for outpatients with possible sarcopenia in community-based primary care clinics (ENdSarC): study protocol for a multicenter single-blinded randomized controlled trial
    Woohyuk Ji, Daehyun Lee, Minjin Kim, Nahyun Lim, Jae-Young Lim, Jae Uk Baek, Sungwouk Kim, Choong Hyung Lee, Miji Kim, Chang Won Won
    BMC Geriatrics.2024;[Epub]     CrossRef
  • Age-related increase in the excitability of mouse layer V pyramidal neurons in the primary motor cortex is accompanied by an increased persistent inward current
    Jose A. Viteri, Nikolaus Bueschke, Joseph M. Santin, W. David Arnold
    GeroScience.2024; 47(2): 2199.     CrossRef
  • The Effect of Long Chain n-3 Fatty Acid Supplementation on Muscle Strength in Older Adults: A Systematic Review and Meta-Analysis
    Maha Timraz, Ahmad Binmahfoz, Terry J. Quinn, Emilie Combet, Stuart R. Gray
    Nutrients.2023; 15(16): 3579.     CrossRef
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  • 15 Crossref
Risk-Reducing Measures for Cancer Prevention
Israel Oluwasegun Ayenigbara
Korean J Fam Med 2023;44(2):76-86.   Published online March 20, 2023
DOI: https://doi.org/10.4082/kjfm.22.0167
Cancer, or malignancy, continues to be one of the most serious health problems in the world, leading to death and disability. Unlike in previous years, where new cases of cancer were predominant in developed nations, the number of cases of cancer and the resultant deaths are increasing in low- and middle-income countries. This is partially attributable to the current trend of adopting a Western lifestyle, substantial urbanization, and the rise in infections, such as the human papillomavirus (HPV) and hepatitis B virus (HBV), which together account for over 30% of cancer cases in underdeveloped and developing nations. The deleterious impact of cancer, as cases multiply worldwide, is multi-dimensional. Cancer exerts serious physical, psychological, and monetary burdens, not only on cancer patients but also on their family members, close friends, health care systems, and society at large. Importantly, over half of all cancer types can be prevented globally by mitigating the risk and causative factors as well as prompt adherence to scientifically recommended prevention measures. This review provides various scientifically based and people-centered strategies that every individual could adopt to reduce their risk of developing cancer in the future. It is recommended that, for these cancer prevention strategies to be effective, there should be a strong political will from the governments of individual countries to enact specific laws and implement policies that will significantly reduce sedentary lifestyles and unhealthy eating among the general public. Likewise, HPV and HBV vaccines, as well as cancer screenings, should be made available, affordable, and accessible on a timely basis for those who are eligible to take them. Finally, intensified campaigns and numerous informative and educational programs that promote cancer prevention should be initiated globally.

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  • Vegan Diet: A Novel Trend in Healthy Living
    Gaithaongamliu Kamei, Prasad Rasane, Jyoti Singh, Sawinder Kaur, Mahendra Gunjal, Jaspreet Kaur, Raghav Gupta, Dipendra Kumar Mahato, Sushma Gurumayum, Sunil Kumar Dwivedi
    Current Nutrition & Food Science.2024; 20(8): 952.     CrossRef
  • Rising potentials of epigallocatechin gallate (EGCG) loaded lipid-based delivery platforms for breast cancer
    Sagnik Nag, Adrija Bhunia, Sourav Mohanto, Mohammed Gulzar Ahmed, Vetriselvan Subramaniyan
    Discover Applied Sciences.2024;[Epub]     CrossRef
  • Exploring the Role of Artificial Light and Tanning for Skin Cancer
    Muhammad Majid, Abdul Qayoom, Ali Haider
    Indus Journal of Bioscience Research.2024; 2(2): 1506.     CrossRef
  • Exploring the Role of Artificial Light and Tanning for Skin Cancer
    Muhammad Majid, Abdul Qayoom, Ali Haider
    Indus Journal of Bioscience Research.2024; 2(2): 1584.     CrossRef
  • Application of Machine Learning and Deep Learning Models in Prostate Cancer Diagnosis Using Medical Images: A Systematic Review
    Olusola Olabanjo, Ashiribo Wusu, Mauton Asokere, Oseni Afisi, Basheerat Okugbesan, Olufemi Olabanjo, Olusegun Folorunso, Manuel Mazzara
    Analytics.2023; 2(3): 708.     CrossRef
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  • 2 Web of Science
  • 5 Crossref

Original Articles

Association of Coffee or Green Tea with Ferritin or Hemoglobin in Premenopausal Women
Dagyeong Lee, Wonyoung Jung, Dong Wook Shin
Korean J Fam Med 2023;44(2):87-94.   Published online March 20, 2023
DOI: https://doi.org/10.4082/kjfm.22.0133
Background
This study aimed to examine the association between coffee or green tea consumption and ferritin or hemoglobin levels in premenopausal women.
Methods
We used the fifth Korea National Health and Nutrition Examination Survey (2010–2012), and a total of 4,322 individuals were surveyed. In women of reproductive age, average ferritin and hemoglobin levels were calculated according to coffee or green tea consumption. Covariates included in the analysis were demographic variables, such as age, body mass index, education, drinking, smoking, history of hypertension, history of diabetes diagnosis, physical activity, total energy intake, and daily iron intake.
Results
In 4,322 participants, the average hemoglobin level was 12.90±0.02 g/dL, and the average level of ferritin was 31.95±0.67 ng/mL. As a result of testing, correlation between ferritin and coffee intake and difference in ferritin levels according to coffee consumption was significant (P<0.05). In this study, a post hoc test indicated that ferritin level significantly differed between one and two cups, two and three cups, and three and one cup groups (overall P<0.001). Additionally, there was a negative correlation between ferritin level and coffee intake; ferritin level decreased by 2.09 ng/mL with a one-cup increase in daily coffee consumption.
Conclusion
In premenopausal women, coffee intake is associated with low serum ferritin levels. Our results indicate that drinking >2 cups of coffee significantly affect ferritin levels in Korean premenopausal women.

Citations

Citations to this article as recorded by  
  • Accurate determination of aflatoxins in coffee by isotope dilution–ultrahigh-performance liquid chromatography–tandem mass spectrometry
    Yared Getachew Lijalem, Hyeonwoo Yu, So Young Woo, Hyang Sook Chun, Kihwan Choi, Byungjoo Kim
    Journal of Food Composition and Analysis.2025; 145: 107836.     CrossRef
  • Women’s Health and Primary Care
    Seung-Won Oh
    Korean Journal of Family Medicine.2024; 45(1): 1.     CrossRef
  • Guidelines for nutrition counseling in primary healthcare clinics
    Gyeongsil Lee, Seung-Won Oh
    Journal of the Korean Medical Association.2024; 67(4): 278.     CrossRef
  • Dietary diversity and preferences among pregnant women and its association with anaemia
    Benedicta Twum - Dei, Richmond Aryeetey, Linda Nana Esi Aduku
    Nutrition & Food Science .2024; 54(4): 805.     CrossRef
  • Association Between Tea Drinking and Anemia in Women of Reproductive Age: A Cross-Sectional Study From the Mekran Division, Balochistan, Pakistan
    Noman Sadiq, Yasmeen Gul, Muhammad M Bilal, Muhammad Afzal, Nasrin Mumtaz, Abdul Wahid
    Cureus.2024;[Epub]     CrossRef
  • Does tea intake increase the risk of anemia? Evidence from a large prospective cohort and Mendelian randomization study
    Rui Hang Zhang, Wei Sen Zhang, Chao Qiang Jiang, Feng Zhu, Ya Li Jin, Shiu Lun Au Yeung, Tai Hing Lam, Lin Xu, Jiao Wang
    Food & Function.2024; 15(18): 9552.     CrossRef
  • A Comparative Study of the Effect Coffee and Tea on Some Parameters in the Rats Blood
    Sadiq Al-Mansury, Suhad J. Hadi, Hawraa H. Naji, Adnan M. Jassim, Shatha M. Abbas, Nada Khazal K. Hindi
    Medical Journal of Babylon.2024; 21(3): 627.     CrossRef
  • Association between Coffee and Green Tea Consumption and Iron Deficiency Anemia in Korea
    Jungun Lee
    Korean Journal of Family Medicine.2023; 44(2): 69.     CrossRef
  • 5,036 View
  • 143 Download
  • 7 Web of Science
  • 8 Crossref
The Associations between Bone Mineral Density and Oxidative Stress Biomarkers in Postmenopausal Women
Sanaz Malekian, Mojgan Mirghafourvand, Farzad Najafipour, Alireza Ostadrahimi, Nafiseh Ghassab-Abdollahi, Azizeh Farshbaf-Khalili
Korean J Fam Med 2023;44(2):95-101.   Published online March 20, 2023
DOI: https://doi.org/10.4082/kjfm.22.0022
Background
Oxidative stress plays an essential role in bone health among postmenopausal women. This study aimed to compare the oxidative stress biomarkers among postmenopausal women aged 50–65 years with normal bone mineral density, osteopenia, and osteoporosis.
Methods
In this observational study, 120 women with normal bone mineral density, 82 with osteopenia, and 86 with osteoporosis were selected based on the densitometry data obtained from the dual-energy X-ray absorptiometry method. The serum total antioxidant capacity (TAC), superoxide dismutase (SOD) activity, and malondialdehyde (MDA) levels were measured using biochemical methods. A binary logistic regression model adjusted for confounders was used to estimate the risk of osteopenia and osteoporosis. The P-value of <0.05 was considered statistically significant.
Results
There were significant differences between the three groups in age, menopausal age, body mass index, and education (P<0.05). According to the binary logistic regression model, higher SOD activity and serum TAC levels were associated with a lower risk of osteoporosis (adjusted odds ratio [aOR], 0.991; 95% confidence intervals [CI], 0.986 to 0.996; and aOR, 0.373; 95% CI, 0.141 to 0.986, respectively). MDA was a significant risk factor for osteopenia in postmenopausal women (aOR, 1.702; 95% CI, 1.125 to 2.576).
Conclusion
Higher SOD activity and serum TAC levels in the studied postmenopausal women were associated with a significantly lower risk of osteoporosis. Moreover, the risk of osteopenia increased significantly with higher serum MDA levels.

Citations

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  • Exploring the application of dietary antioxidant index for disease risk assessment: a comprehensive review
    Hossein Pourmontaseri, Sina Bazmi, Matin Sepehrinia, Ayda Mostafavi, Reza Arefnezhad, Reza Homayounfar, Farhad Vahid
    Frontiers in Nutrition.2025;[Epub]     CrossRef
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    Seung-Won Oh
    Korean Journal of Family Medicine.2024; 45(1): 1.     CrossRef
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    Gadis Meinar Sari, Idha Kusumawati, Yoga Akbar Arifandi, Julian Benedict Swannjo
    Current Research in Physiology.2024; 7: 100128.     CrossRef
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    Yuancheng Li, Huaqian Qi, Xin Huang, Gang Lu, Huashan Pan
    Frontiers in Physiology.2024;[Epub]     CrossRef
  • Proteomic Biomarkers Associated with Low Bone Mineral Density: A Systematic Review
    Adriana Becerra-Cervera, Anna D. Argoty-Pantoja, Diana I. Aparicio-Bautista, Priscilla López-Montoya, Berenice Rivera-Paredez, Alberto Hidalgo-Bravo, Rafael Velázquez-Cruz
    International Journal of Molecular Sciences.2024; 25(14): 7526.     CrossRef
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  • 6 Web of Science
  • 5 Crossref
Split Tummy Exercise Program for Reducing Diastasis Recti in Postpartum Primigravidae: A Randomized Controlled Trial
Suhaila Shohaimi, Nik Rosmawati Nik Husain, Faizah Mohd. Zaki, Ixora Kamisan Atan
Korean J Fam Med 2023;44(2):102-108.   Published online March 20, 2023
DOI: https://doi.org/10.4082/kjfm.22.0035
Background
Diastasis rectus abdominis (DRA) involves the separation of the midline abdominal muscles and linea alba and affects more than half of postpartum women. This study aimed to assess the effect of a split tummy exercise program (STEP) on DRA closure in postpartum mothers.
Methods
A randomized controlled trial was conducted from 2008 to 2020 at the Obstetrics and Gynaecology Clinic of the Universiti Kebangsaan Malaysia Medical Centre. Primigravida mothers diagnosed with DRA were selected and randomly assigned to the intervention (n=21) or control (n=20) group. The intervention group underwent a home-based STEP consisting of three phases of nine abdominal exercises. DRA size was assessed at baseline and at 8 weeks postpartum using two-dimensional ultrasound.
Results
The mean age of the participants was 28 years (standard deviation, 3.6), with the majority of Malay ethnicity (87.8%) and working mothers (78%). After 8 weeks, the intervention group showed a significant reduction in DRA size of up to 27% (mean difference, 6.17 mm; 95% confidence interval, 3.7–8.7; P<0.001). No significant intergroup DRA changes were observed after 8 weeks of follow-up.
Conclusion
Early postpartum screening for DRA should be advocated to allow early STEP intervention to ensure favorable outcomes. STEP intervention is an effective postnatal training program for managing DRA.

Citations

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  • Impact of postpartum exercise on pelvic floor disorders and diastasis recti abdominis: a systematic review and meta-analysis
    Nicole F Beamish, Margie H Davenport, Muhammad Usman Ali, Matthew J Gervais, Talia Noel Sjwed, Gyanjot Bains, Allison Sivak, Rita E Deering, Stephanie-May Ruchat
    British Journal of Sports Medicine.2025; 59(8): 562.     CrossRef
  • Comparative Efficacy and Acceptability of Non-surgical Treatments with or without Exercise for Diastasis Recti Abdominis in Postpartum Women: A Network Meta-Analysis of Randomized Controlled Trials
    Wen-Chieh Wu, Wen-Hong Wu, Ming-Fen Lee, Pei-Yu Wu, Yu-Kang Tu, Hsuan Lin, Chien-Yi Chan, Chun-Yin Huang
    Sports Medicine.2025; 55(4): 937.     CrossRef
  • Comparative Efficacy of Abdominal Exercises and Abdominal Binding on Diastasis Recti Abdominis Reduction in Postpartum Women: A Systematic Review and Meta‐Analysis of Randomized Controlled Trials
    Abdullah, Khawaja Abdul Rehman, Bilal Ahmad, Muhammad Khubaib Arshad, Humza Saeed, Mahnoor Asghar Keen, Amna Anwar, Noor ul ain Saleem, Umm E. Salma Shabbar Banatwala, Zara Bilal, Maryam Shahzad, Pakeeza Shakoor, Muhammad Ahsen Niazi
    Physiotherapy Research International.2025;[Epub]     CrossRef
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    Laís Campos de Oliveira, Laura Isabel Martins de Almeida, Maria Clara Fagundes Lucio, Jorge Furtado de Campos Júnior, Raphael Gonçalves de Oliveira
    Medicine.2025; 104(23): e42723.     CrossRef
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    Umberto Bracale, Cesare Stabilini, Giuseppe Cavallaro, Francesca Pecchini, Gerardo Sarno, Ferdinando Agresta, Michele Carlucci, Simona Rocchetti, Alberto Sartori, Alberto Di Leo, Jacopo Andreuccetti, Giusto Pignata, Ernesto Tartaglia, Carlo Sagnelli, Dieg
    Hernia.2025;[Epub]     CrossRef
  • Recomendaciones médicas desde atención primaria sobre ejercicio físico en el posparto
    L.M. Gallo-Galán, M.A. Gallo-Vallejo, J.L. Gallo-Vallejo
    Medicina de Familia. SEMERGEN.2024; 50(3): 102148.     CrossRef
  • Intra‐ and Interimage Reliability of Inter‐Rectus Distance Measurements Determined via Ultrasound Imaging by the Same or Different Testers in Women in the Early Postpartum Period
    Qing Jiang, Ya Gao, Shuyu Xia, Yuefan Gu, Jun Gu, Jianfeng Guo, Guannan Feng, Qifeng Deng, Xuedong Deng
    Journal of Ultrasound in Medicine.2024; 43(6): 1037.     CrossRef
  • FISIOTERAPIA NA DIÁSTASE DOS MÚSCULOS RETOS ABDOMINAIS NO PÓS-PARTO: REVISÃO INTEGRATIVA
    Ana Clara Moreira de Jesus, Andresa Santos Souza, Gabrielle Barreto Menezes, Jisielle Oliveira dos Santos, Luiz André Santos Silva, Elisama de Campos Guimarães, Isabela da Silva Vasconcelos Rodrigues, Grace Kelly Melo de Almeida
    Revista Contemporânea.2024; 4(7): e5102.     CrossRef
  • Comparison of Health Parameters in Postpartum Diastasis Recti: A Randomized Control Trial of SEMG Biofeedback-Assisted Core Strengthening Exercises with Kinesiotaping vs. Non-Assisted Exercises
    Ujala Afzal, Quratulain Saeed, Muhammad Nabeel Anwar, Sanna Pervaiz, Manahil Shahid, Rimsha Javed, Muhammad Umair Ali, Seung Won Lee
    Healthcare.2024; 12(16): 1567.     CrossRef
  • Effect of hypopressive and conventional abdominal exercises on postpartum diastasis recti: A randomized controlled trial
    Mercedes Soto-González, Iria Da Cuña-Carrera, Eva María Lantarón-Caeiro, Augusto Gil Pascoal, Shabnam ShahAli
    PLOS ONE.2024; 19(12): e0314274.     CrossRef
  • 5,095 View
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  • 10 Web of Science
  • 10 Crossref
Development and Psychometric Properties of an Extended Theory of Planned Behavior Questionnaire for Childbearing Intentions and Behaviors in Iran
Babak Moeini, Amir Erfani, Majid Barati, Amin Doosti-Irani, Hatam Hosseini, Mokhtar Soheylizad
Korean J Fam Med 2023;44(2):109-116.   Published online March 20, 2023
DOI: https://doi.org/10.4082/kjfm.22.0066
Background
Childbearing is the most important determinant of population fluctuations, and its study is more important than other population phenomena. Owing to the lack of a valid questionnaire based on the extended theory of planned behavior, this mixed-method study was conducted to determine the validity and reliability of a questionnaire designed to examine related belief-based factors on the intention to bear children in Iranian society.
Methods
This study was conducted in two phases in Hamadan city, western Iran, in 2021. Phase 1 consisted of an extensive literature review and a qualitative study using a directed content analysis approach to generate an item pool. Psychometrics were measured in phase 2, including content, face, and construct validity. Reliability was assessed based on internal consistency and stability. The collected data were analyzed using IBM SPSS and AMOS ver. 24.0.
Results
Mean content validity ratio and content validity index were 0.7 and 0.85, respectively. Exploratory factor analysis of the 32 items identified an eight-factor solution. These factors jointly accounted for 79.1% of the observed variance in the outcome variables. Confirmatory factor analysis indicated a good fit for the data. The internal consistency based on Cronbach’s α was 0.85 (0.71–0.93). In addition, stability was confirmed using the test-retest method and intraclass correlation coefficient (0.74–0.94).
Conclusion
The designed questionnaire is a valid and reliable instrument for evaluating related belief-based factors on the intention and behavior of childbearing among married men and women in Iran.

Citations

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  • An integrated theory based-educational intervention to change intention to have a child: study protocol of a cluster randomized controlled trial
    Maryam Moridi, Maryam Damghanian, Sedigheh Keshaverz
    Reproductive Health.2024;[Epub]     CrossRef
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    Zhongyi Gong, Mei Ge
    Finance Research Letters.2024; 63: 105286.     CrossRef
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Association between Sleep Duration and Presbycusis in Korean Adults: Korea National Health and Nutrition Examination Survey
Min Ju Kang, Youngin Lee, Yun Jin Kim, Sang Yeoup Lee, Jeong Gyu Lee, Yu Hyeon Yi, Young Hye Cho, Young Jin Tak, Eun Ju Park, Seung Hun Lee, Gyu Lee Kim, Jung In Choi, Young Jin Ra, Sae Rom Lee, Ryuk Jun Kwon, Soo Min Son, Yea Ji Lee, Young Eun Choi
Korean J Fam Med 2023;44(2):117-123.   Published online March 20, 2023
DOI: https://doi.org/10.4082/kjfm.22.0137
Background
Sleep duration is associated with hearing loss, especially presbycusis, which is the most common type of hearing loss; however, there is limited evidence regarding this association among the Korean population. We aimed to determine the relationship between sleep duration and high-frequency hearing loss in Korean adults aged ≥40 years.
Methods
We examined 5,547 Korean adults aged ≥40 years who completed audiometric tests and questionnaires regarding sleep duration during the 2010–2012 cycle of the Korea National Health and Nutrition Examination Survey. Mild presbycusis was defined as >25 decibels (dB) and <40 dB, whereas moderate-to-severe presbycusis was defined as >40 dB pure tone averages at high frequencies (3,000, 4,000, and 6,000 Hz) for both ears. Additionally, the sleep duration was divided into quartiles. Odds ratios and 95% confidence intervals were estimated using multivariable logistic regression after adjusting for covariates.
Results
The prevalence of presbycusis in South Korean adults was 62.1%, of which 61.4% showed moderate to severe presbycusis. The incidence of moderate-to-severe, but not mild, presbycusis showed a significant positive correlation with sleep duration.
Conclusion
Our findings suggest that sleep duration is associated with the prevalence of presbycusis.

Citations

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  • Joint association of sleep duration and depression with new-onset hearing loss: a national cohort study
    Fang Wang, Yu-Jun Xiong, Da-Ming Shao, Tian Lv, Shiqin Chen, Qian-Yuan Zhu
    Frontiers in Nutrition.2025;[Epub]     CrossRef
  • Sleep characteristics and hearing loss in middle-aged and older adults: The National Health and Nutrition Examination Survey 2015–2018
    Kening Jiang, Adam P. Spira, Nicholas S. Reed, Frank R. Lin, Jennifer A. Deal
    Sleep Epidemiology.2024; 4: 100082.     CrossRef
  • Age-related hearing loss and its potential drug candidates: a systematic review
    Shiyu Hu, Qingru Sun, Fei Xu, Ninghua Jiang, Jianli Gao
    Chinese Medicine.2023;[Epub]     CrossRef
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  • 2 Web of Science
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Letter
Promoting Health Literacy: Preparing for Future Health Crises
Dalmacito A. Cordero Jr.
Korean J Fam Med 2023;44(2):124-125.   Published online March 20, 2023
DOI: https://doi.org/10.4082/kjfm.22.0169

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