Contraceptive Use and Respiratory Conditions Among Scottish Women
NCT ID: NCT02039102
Last Updated: 2021-06-21
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
3257 participants
OBSERVATIONAL
2013-12-31
2018-09-30
Brief Summary
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In the present study, the investigators utilize data from the Scottish Health Survey, a national representative sample, to investigate the associations between current use of hormonal contraceptives and the prevalence of self-reported doctor-diagnosed current asthma and wheezing symptoms in Scottish women. The investigators hypothesize that while current use of any hormonal contraceptives and combined oral pills are associated with higher prevalence of asthma and asthma outcomes, current use of progesterone-only contraceptives is not associated with asthma. A secondary aim of the current study is to examine whether there is evidence of any biological interaction between use of hormonal contraceptives and BMI in relation to the risk of asthma and asthma outcomes.
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Detailed Description
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Conditions
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Study Design
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OTHER
CROSS_SECTIONAL
Study Groups
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Non-users of hormonal contraceptives
No interventions assigned to this group
Users of hormonal contraceptives
No interventions assigned to this group
Eligibility Criteria
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Inclusion Criteria
* Woman
* 16-45 years old
Exclusion Criteria
* Man
* Younger than 16 years or older than 45 years old
16 Years
45 Years
FEMALE
No
Sponsors
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University of Edinburgh
OTHER
Responsible Party
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Locations
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University of Ediburgh
Edinburgh, , United Kingdom
Countries
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References
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Macsali F, Real FG, Omenaas ER, Bjorge L, Janson C, Franklin K, Svanes C. Oral contraception, body mass index, and asthma: a cross-sectional Nordic-Baltic population survey. J Allergy Clin Immunol. 2009 Feb;123(2):391-7. doi: 10.1016/j.jaci.2008.10.041. Epub 2009 Jan 3.
Lange P, Parner J, Prescott E, Ulrik CS, Vestbo J. Exogenous female sex steroid hormones and risk of asthma and asthma-like symptoms: a cross sectional study of the general population. Thorax. 2001 Aug;56(8):613-6. doi: 10.1136/thorax.56.8.613.
Salam MT, Wenten M, Gilliland FD. Endogenous and exogenous sex steroid hormones and asthma and wheeze in young women. J Allergy Clin Immunol. 2006 May;117(5):1001-7. doi: 10.1016/j.jaci.2006.02.004.
Other Identifiers
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75764
Identifier Type: -
Identifier Source: org_study_id
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