No Relation Between 2D:4D Index and Various Factors in Women
Author Information
Author(s): Tapio Vehmas, Svetlana Solovieva, Päivi Leino-Arjas
Primary Institution: The Finnish Institute of Occupational Health
Hypothesis
Is the radiographic 2D:4D index a predictor of various features in females?
Conclusion
The study found no significant relationships between the 2D:4D index and the variables examined.
Supporting Evidence
- The 2D:4D index ranged from 0.845 to 0.981 with a mean of 0.925.
- No significant differences were found between the clusters in any studied dimension.
- The study included a large sample size of 490 participants.
- Radiographic measurements were taken to ensure accuracy.
- Cluster analysis was used to explore relationships between the 2D:4D index and various factors.
- Previous studies have reported positive associations, suggesting potential publication bias.
- The study controlled for osteoarthritis effects in the analysis.
- Findings suggest that soft tissue characteristics may be more relevant than bony measurements.
Takeaway
The length of your fingers doesn't seem to tell us anything about your health or behavior.
Methodology
Radiographic measurements of finger lengths were taken from 490 female dentists and teachers, and various factors were analyzed for correlation with the 2D:4D index.
Potential Biases
There may be publication bias as mostly positive findings have been reported in previous studies.
Limitations
The study may not account for all potential confounding factors related to finger length and hormone exposure.
Participant Demographics
Participants were 271 female dentists and 219 female teachers aged 45 to 63 years.
Statistical Information
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website