Search Results (1 to 10 of 2829 Results)
Download search results: CSV END BibTex RIS
Skip search results from other journals and go to results- 732 Journal of Medical Internet Research
- 542 JMIR Research Protocols
- 338 JMIR Formative Research
- 198 JMIR mHealth and uHealth
- 138 JMIR Public Health and Surveillance
- 122 JMIR Mental Health
- 104 Online Journal of Public Health Informatics
- 92 JMIR Medical Informatics
- 74 JMIR Human Factors
- 60 JMIR Cancer
- 55 JMIR Pediatrics and Parenting
- 43 JMIR Dermatology
- 41 JMIR Aging
- 39 JMIR Medical Education
- 35 Iproceedings
- 33 JMIR Diabetes
- 33 JMIR Serious Games
- 25 JMIR Cardio
- 21 Interactive Journal of Medical Research
- 21 JMIR Infodemiology
- 16 JMIR Rehabilitation and Assistive Technologies
- 14 JMIRx Med
- 12 Journal of Participatory Medicine
- 10 JMIR Perioperative Medicine
- 8 JMIR AI
- 7 JMIR Nursing
- 5 JMIR XR and Spatial Computing (JMXR)
- 4 JMIR Biomedical Engineering
- 2 JMIR Neurotechnology
- 2 JMIRx Bio
- 1 Asian/Pacific Island Nursing Journal
- 1 JMIR Bioinformatics and Biotechnology
- 1 Medicine 2.0
- 0 iProceedings
- 0 JMIR Preprints
- 0 JMIR Challenges
- 0 JMIR Data
- 0 Transfer Hub (manuscript eXchange)
Go back to the top of the page Skip and go to footer section
Go back to the top of the page Skip and go to footer section
Go back to the top of the page Skip and go to footer section
Go back to the top of the page Skip and go to footer section
Go back to the top of the page Skip and go to footer section

To assess the association between COVID-19 infection during pregnancy and preterm birth, we used the frequencies of these 2 categorical variables in a 2 × 2 contingency table to calculate the odds ratio (OR) with a 95% CI, where OR = (A/B) / (C/D) (Table 2).
J Med Internet Res 2025;27:e66097
Download Citation: END BibTex RIS
Go back to the top of the page Skip and go to footer section
Go back to the top of the page Skip and go to footer section
Go back to the top of the page Skip and go to footer section
Go back to the top of the page Skip and go to footer section