ArticleHeliyon2023
Hormonal contraception and thrombosis: Identifying the gaps in knowledge among females in post-secondary education.
Article in Heliyon, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed, 1 synthesis or guideline pooled it, 2 citations in OpenAlex.
- Hemostatic safety profile of estetrol vs. ethinylestradiol in oral contraceptives: a systematic review and meta-analysis.Revista brasileira de ginecologia e obstetricia : revista da Federacao Brasileira das Sociedades de Ginecologia e Obstetricia · 2026Pooled it
- A comparison of the knowledge of hormonal contraception between women living in urban and rural areas of Poland.PloS one · 2025Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Objective: To determine the current level of knowledge about hormonal contraception among young women so they may be better informed about the risks and various choices available to them regarding hormonal contraception (HC). Methods: In an online survey-based study, data was analyzed from the anonymous responses of 675 female participants aged 18-30 years in various academic programs at two post-secondary institutions in Kingston, Ontario. Surveys explored demographics, use/type/duration of hormonal contraception, and knowledge of HC and thrombosis. Kruskal Wallis test and Spearman Correlation were used to determine differences in knowledge level about contraceptives across age groups, education levels, as well as use/type/duration of HC. Results: 476 participants were users of HC (264 > 1 year) and 199 were non-HC users. 370 participants have a high school diploma. The knowledge level of HC risks was associated with duration of use and overall knowledge of thrombosis and HC. The knowledge level of thrombosis was correlated with duration of use, education level, and age. Participants with higher level of education or those that have been using HC for 5 years or longer had an increased knowledge surrounding thrombosis. Participants aged 24 and older had a higher knowledge of thrombosis than that of participants younger than 24. Overall, the data was used to generate a simple infographic to further educate women in this regard. Conclusion: Misconceptions remain among young women concerning benefits and risks of HC which can be addressed by formal education.
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What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.