Project X-69

SND-ID: EXT 0167

This study is part of the collection Swedish Cohort Consortium (

Creator/Principal investigator(s)

Marieann Högman - Uppsala University, Department of Medical Sciences


Health assessments were performed on subjects living in a city area. In total was 24 179 invited and 18 543 responded. Of the responders were 5 885 later examined. The results of the ECG, X-ray and medical examinations created the X-69 database and its continuation, the X-71, when they were performed gathered knowledge of conditions associated with population health and morbidity in the short term. At the same time gave the two surveys opportunity to create a basis for so-called prospective, prospective, epidemiological studies. The population studied the development of illness and diseases are therefore in the years after the original the examinations at different times and with different orientations followed and related to the original measurement results.
When the X-69 and X-71 was carried out it led to vast amounts of data and large computer technology was utilized which in turn required high and specific professional skills in the computer field. This was met through cooperation with Uppsala University computer centre, UDAC. In connection with a reorganization 1997 - 1998 some parts of t

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Research principal, contributors, and funding

Research principal

Uppsala University

Protection and ethical review
Method and time period

Unit of analysis

Sampling procedure

Geographic coverage
Topic and keywords

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Palmer M, Adami HO, Bergström R, Jakobsson S, Akerström G, Ljunghall S. Survival and renal function in untreated hypercalcaemia. Population-based cohort study with 14 years of follow-up. Lancet. 1987 Jan 10;1(8524):59-62.

Lind L, Jakobsson S, Lithell H, Wengle B, Ljunghall S. Relation of serum calcium concentration to metabolic risk factors for cardiovascular disease. BMJ. 1988 Oct 15;297(6654):960-3.
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Project X-69

Data format / data structure


Creator/Principal investigator(s)

Marieann Högman - Uppsala University, Department of Medical Sciences

Data collection

  • Mode of collection: Physical measurements and tests
  • Time period(s) for data collection: 1969–1971
  • Source of the data: Registers/Records/Accounts: Medical/Clinical

Contact for questions about the data

Published: 2015-04-30
Last updated: 2019-11-13