Browsing by Author "Gokdemir, Ozden"

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Evaluation of Vitamin D and Vitamin B12 Levels in Patients with and Without Hashimoto's Thyroiditis: A Case-Control Study
(Lippincott Williams & Wilkins, 2025) Aygun, Olgu; Asma Sakalli, Ayca; Kucukerdem, H. Seda; Gokdemir, Ozden
Hashimoto's thyroiditis (HT) is a common autoimmune thyroid disorder whose pathogenesis may be influenced by various biochemical and immunological parameters. Recent evidence suggests that vitamin D and B12 levels may play a role in autoimmune diseases. This study aimed to evaluate vitamin D and B12 levels in patients with HT and to examine their associations with disease pathogenesis and clinical features. This retrospective case-control study included patients who visited a family medicine outpatient clinic. The case group consisted of patients diagnosed with HT confirmed by positive anti-thyroid peroxidase antibody (anti-TPO) and/or anti-thyroglobulin antibody (anti-Tg). The control group included individuals without chronic diseases and with negative thyroid autoantibodies. Data on age, gender, history of hypothyroidism, vitamin D, vitamin B12, anti-TPO, and anti-Tg levels were collected and analyzed. Binary logistic regression was used to identify predictors of HT. A statistically significant correlation was found between vitamin D levels and HT, age, history of hypothyroidism, anti-TPO, anti-Tg, and vitamin B12 levels. There was no significant association between vitamin D and gender. Logistic regression analysis revealed that older age, female gender, and lower vitamin D and B12 levels were independently associated with an increased risk of HT. Vitamin D and B12 deficiencies appear to be associated with the presence and progression of HT. These findings highlight the potential role of nutritional and immunological markers in the disease's clinical course. Further prospective studies are warranted to confirm causality and inform clinical management.
Citation - Scopus: 6
Harnessing the Potential of Uploading Health Educational Materials on Medical Institutions' Social Media for Controlling Emerging and Re-Emerging Disease Outbreaks
(Wolters Kluwer Medknow Publications, 2020) Bhattacharya, Sudip; Sharma, Neha; Hoedebecke, Kyle; Hossain, Md Mahbub; Gokdemir, Ozden; Singh, Amarjeet
Smartphone Addiction and Health Promotion Lifestyle in University Students: A Cross-Sectional Analytical Study
(Cambridge University Press, 2026) Serim, Yasin; Limnili, Gizem; Gokdemir, Ozden; Ozcakar, Nilgun
Objectives: Smartphones have become essential, making our daily lives more manageable; however, excessive use may cause problems. University students are particularly vulnerable to smartphone addiction. This study examines the relationship between smartphone addiction and health-promoting lifestyles among university students. Methods: A cross-sectional study was conducted with 911 students at Dokuz Eylul University, Izmir, Turkey. Data were collected via Smartphone Addiction Scale-Short Version (SAS-SV) and Health Promotion Lifestyle Profile II (HPLP II). The printed forms were used, and the researcher administered the survey in person and recorded the responses. Results: Prevalence of smartphone addiction was 34.1%. Several factors were significantly associated, including female gender (p = 0.049), being single (p = 0.042), self-perceived smartphone addiction (p < 0.001), daytime sleepiness (p < 0.001), and poor sleep quality (p < 0.001). Students with smartphone addiction had significantly lower HPLP II scores (p = 0.001). Logistic regression analysis showed that gender was no longer a significant factor. Those without a partner (OR: 1.47, 95% CI: 1.07-2.03), those who considered themselves smartphone addicts (OR: 6.86, 95% CI: 4.99-9.42), and those with daytime sleepiness (OR: 1.52, 95% CI: 1.08-2.14) had higher odds of smartphone addiction. Higher HPLP II scores were protective against smartphone addiction (OR: 0.99, 95% CI: 0.98-0.99). Conclusions: This study highlights that students with smartphone addiction engage in less health-promoting behaviours and experience poor sleep quality and daytime sleepiness. Self-perceived smartphone addiction was strongly associated with actual addiction, while a healthier lifestyle appeared to have a protective effect. There is a need for strategies to promote healthy habits and reduce smartphone addiction among university students.