Familial Clustering of Hypochondriasis in a Swedish Population Cohort, 1950-2008

Supplementary material for a population-based cohort study investigating the familial and genetic contributions to hypochondriasis. The study analyzed 5,809,325 individuals born in Sweden between 1950 and 2008, identifying 3,202 diagnosed cases. The material was authored by a figshare admin for Karger and last updated in April 2026.

Use Cases

• Assessing familial risk patterns based on hazard ratios for full siblings, half siblings, and cousins
• Replicating statistical methods described, such as Cox regression models with time-varying exposures
• Studying the clinical epidemiology of hypochondriasis based on ICD-10 diagnoses from a national patient register

Strengths

• Study is based on a large cohort of over 5.8 million individuals with linked family data
• Provides specific hazard ratios (e.g., 9.5 for full siblings) quantifying familial risk
• Uses validated ICD-10 diagnoses from the Swedish National Patient Register

Limitations

• The dataset is a 136.6 KB DOCX file, suggesting it contains supplementary text rather than the primary analysis data
• Row count and column-level documentation are absent; data structure must be inferred after download
• Data may reflect geographic and healthcare system bias inherent to the Swedish population

Provenance

Source

Swedish National Patient Register (NPR)

Collection Method

Population-based cohort study using registry data and Cox regression models.

Time Range

Covers individuals born between 1950 and 2008, with diagnoses identified through the NPR.

Freshness

Last updated 2026-04-22 09:55:09; freshness should be verified.

Geography

Sweden