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Epidemiologia

Epidemiologia is an international, peer-reviewed, open access journal on epidemiologic research published quarterly online by MDPI.
The Italian Society of Environmental Medicine (SIMA) is affiliated with Epidemiologia, and its members receive discounts on article processing charges.
Indexed in PubMed | Quartile Ranking JCR - Q2 (Public, Environmental and Occupational Health)

All Articles (256)

Gaps in Vitamin D Intake and Status in Moroccan Women

  • Noura Zouine,
  • Ilham Lhilali and
  • Abdelhai Messaoudi
  • + 2 authors

Background: Vitamin D is essential for women’s health, yet deficiency is widespread among Moroccan premenopausal women. Objectives: This study examined vitamin D intake, dietary sources, determinants, and predictors of serum 25-hydroxyvitamin D [25(OH)D3] in 355 women aged 18–49 years in Meknes, Morocco. Methods: Intake and sun exposure were assessed with validated questionnaires, and serum 25(OH)D3 was measured by chemiluminescence immunoassay. Multivariable and penalized regression (LASSO) were applied to deseasonalized values. Results: Median intake was 2.89 µg/day, and fewer than 20% of participants met the 5 µg/day recommendation. Fish (48%), dairy (24.39%), and meat (9.40%) were the main sources. Intake varied by age and residence: women aged 18–25 had significantly lower intakes (p = 0.027), while rural women consumed less than urban women (2.73 vs. 3.18 µg/day, p = 0.014), with inadequacy in 67.70% vs. 32.30% (p = 0.018). In adjusted regression, quartiles Q2–Q4 (1.76–16.60 µg/day) were associated with ~+3 ng/mL higher serum 25(OH)D compared to Q1 (0.20–1.76 µg/day, p < 0.05). Increments plateaued beyond Q2, and deficiency (<20 ng/mL) persisted in all quartiles (>59%, including 64% in Q4), reflecting limited sun exposure and high adiposity. Sun exposure was a strong positive predictor (β = 0.35, p < 0.001), while BMI was inversely associated (β = −0.37, p < 0.001). In LASSO, only sun exposure remained, explaining ~3% of variance. Conclusion: In this population, improving sun exposure (≥20 min/day) should be prioritized, alongside increasing vitamin D intake through richer food sources and fortification, while also addressing obesity, with a focus on women at risk of deficiency.

17 October 2025

Food sources contribution in the total estimated vitamin D intake.

Background and Aim: Opioid use disorder (OUD) during pregnancy has become a major public health issue, with its prevalence rising significantly in recent years. The incidence of neonatal abstinence syndrome (NAS) has also surged, from 1.5 cases per 1000 hospital births in 1999 to 6.0 cases per 1000 in 2013. This study aims to identify and analyze the concerns faced by pregnant people in accessing OUD treatment on time, specifically focusing on New York. Methods: The pooled sample of 225,275 individuals represents pregnant patients with OUD who received treatment at substance use disorder (SUD) facilities across New York State between 2016 and 2020, using data from the TEDS-D database. This dataset includes all pregnant individuals diagnosed with OUD, with consistent criteria for treatment eligibility applied. Results: The adjusted odds ratio (AOR) for medication-assisted treatment (MAT) for OUD was 1.41 (95% CI 1.15, 1.72; p = 0.0008) for full-time employees and 1.11 (95% CI 0.91, 1.34; p = 0.32) for part-time employees, compared to unemployed individuals. Regarding marital status, the AOR for treatment access was 1.51 (95% CI 1.34, 1.70; p < 0.0001) for currently married individuals and 1.85 (95% CI 1.67, 2.06; p < 0.0001) for those who are divorced or widowed, compared to individuals who have never married. Discussion: Our study highlights key sociodemographic barriers that affect early access to care for pregnant individuals in New York. OUD continues to be a critical public health issue, particularly among pregnant people, who are exposed to heightened health risks for both themselves and their babies, due to societal perceived stigma related to use during pregnancy.

16 October 2025

  • Case Report
  • Open Access

Background: Feminizing adrenocortical tumors (FATs) are an exceedingly rare subset of adrenal neoplasms, typically affecting adult men and characterized by an excess of estrogen, suppressed gonadotropins, and gynecomastia. Most FATs are malignant, with a poor prognosis and a high risk of recurrence. Case Presentation: We report the case of a 24-year-old male with bilateral gynecomastia, abdominal mass symptoms, and one year of unexplained infertility. A hormonal evaluation revealed elevated estradiol (90.1 pg/mL) and suppressed ACTH (2.6 pg/mL), with inappropriately normal cortisol levels (12.1 µg/dL). Imaging identified a right adrenal mass. The patient underwent open adrenalectomy, and histopathology confirmed stage II adrenocortical carcinoma (T2NxM0) with autonomous estradiol secretion, negative margins, and a Ki-67 index of 10%. Postoperatively, gonadal function normalized, and infertility resolved at two months. The multidisciplinary tumor board considered but did not initiate adjuvant mitotane, given the completely resected low-stage disease. Conclusions: This case illustrates the rare presentation of feminizing adrenocortical carcinoma with reversible infertility and highlights the importance of early recognition and close surveillance. In addition, our literature review of 12 male cases reported between 2015 and 2025 emphasizes gynecomastia as the hallmark presentation and discusses emerging evidence supporting active surveillance as a potential alternative to adjuvant mitotane in selected low-risk patients.

15 October 2025

Positive Impact of Vaccinal Status Among Notified Measles Cases in Romania in 2020–2024

  • Valerian-Ionuț Stoian,
  • Iulia Chiscop and
  • Aurora Stănescu
  • + 7 authors

Background and Objectives: Measles is a highly contagious but vaccine-preventable disease with significant morbidity in the European region, including Romania, especially in the post-COVID-19 era with low vaccination rates which no longer provide herd immunity. The current study aims to show how vaccination reduces the disease burden. Methods: A study using 29,148 cases with measles-compatible features in Romania from the 2020–2024 period was performed, analyzing symptoms, complications, and hospitalization rates comparatively between vaccinated and non-vaccinated groups. Results: Our findings show substantial hospitalization rates reduction among vaccinated cases with an over 12% decrease—depending on the number of MMR doses—as well as reduced severity of clinical features, but no significant effect on disease duration. Conclusions: MMR vaccination provides protection beyond primary disease prevention, as it reduces the disease burden among measles cases by reducing disease-related hospitalizations and improving clinical outcomes.

11 October 2025

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Epidemiologia - ISSN 2673-3986Creative Common CC BY license