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prevalence
(redirected from Period prevalence)

    Also found in: Dictionary/thesaurus, Medical, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.


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We determined period prevalence of asthma at baseline by taking the number of definition 1 or 2 asthma cases occurring from birth to 12 months after the index BLL and dividing it by the total number of children in the cohort at that time.
Blood lead level and risk of asthma by Johnson, Christine Cole / Environmental Health Perspectives
[6] Period prevalence is measured over a specified time period, usually 1 year (ie, those people who report having had LBP in the past 12 months).
The Prevalence of Low Back Pain in Adults: A Methodological Review of ... by Stratford, Paul W / Physical Therapy
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