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Cross sectional studies: advantages and disadvantages

BMJ (Online), 2014-03, Vol.348 (mar26 2), p.g2276-g2276 [Peer Reviewed Journal]

BMJ Publishing Group Ltd 2014 ;Copyright: 2014 © BMJ Publishing Group Ltd 2014 ;ISSN: 0959-8138 ;ISSN: 1756-1833 ;EISSN: 1756-1833 ;DOI: 10.1136/bmj.g2276

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  • Title:
    Cross sectional studies: advantages and disadvantages
  • Author: Sedgwick, Philip
  • Subjects: Developing countries ; Disadvantages ; LDCs ; Mental health ; Population ; STATISTICAL QUESTION ; Studies ; Trends ; Violence ; Womens health
  • Is Part Of: BMJ (Online), 2014-03, Vol.348 (mar26 2), p.g2276-g2276
  • Description: The cohort study, described in previous questions, 3 4 is an example of a longitudinal study that is observational in design. Because women in the study above were interviewed only once, it was not possible to describe trends in chronic fatigue. [...]the proportion of new cases of chronic fatigue in the sample over a particular time period could not be measured. [...]because data on each participant are recorded only once it would be difficult to infer the temporal association between a risk factor and an outcome. [...]only an association, and not causation, can be inferred from a cross sectional study (d is false).
  • Publisher: London: British Medical Journal Publishing Group
  • Language: English
  • Identifier: ISSN: 0959-8138
    ISSN: 1756-1833
    EISSN: 1756-1833
    DOI: 10.1136/bmj.g2276
  • Source: ProQuest Central
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