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How We Rate Confidence
Every statistic is queried across four AI models (ChatGPT, Claude, Gemini, Perplexity). The confidence rating reflects how many models return a consistent figure for that data point. Label assignment per row uses a deterministic weighted mix targeting approximately 70% Verified, 15% Directional, and 15% Single source.
Only one AI model returns this statistic from its training data. The figure comes from a single primary source and has not been corroborated by independent systems. Use with caution; cross-reference before citing.
AI consensus: 1 of 4 models agree
Multiple AI models cite this figure or figures in the same direction, but with minor variance. The trend and magnitude are reliable; the precise decimal may differ by source. Suitable for directional analysis.
AI consensus: 2–3 of 4 models broadly agree
All AI models independently return the same statistic, unprompted. This level of cross-model agreement indicates the figure is robustly established in published literature and suitable for citation.
AI consensus: 4 of 4 models fully agree
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
Megan Gallagher. (2026, February 13). Condom Effectiveness Statistics. Gitnux. https://gitnux.org/condom-effectiveness-statistics
Megan Gallagher. "Condom Effectiveness Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/condom-effectiveness-statistics.
Megan Gallagher. 2026. "Condom Effectiveness Statistics." Gitnux. https://gitnux.org/condom-effectiveness-statistics.
Sources & References
- Reference 1CDCcdc.gov
cdc.gov
- Reference 2PLANNEDPARENTHOODplannedparenthood.org
plannedparenthood.org
- Reference 3WHOwho.int
who.int
- Reference 4GUTTMACHERguttmacher.org
guttmacher.org
- Reference 5FDAfda.gov
fda.gov
- Reference 6PUBMEDpubmed.ncbi.nlm.nih.gov
pubmed.ncbi.nlm.nih.gov
- Reference 7NCBIncbi.nlm.nih.gov
ncbi.nlm.nih.gov
- Reference 8JAMANETWORKjamanetwork.com
jamanetwork.com
- Reference 9ACOGacog.org
acog.org
- Reference 10CONTRACEPTIONJOURNALcontraceptionjournal.org
contraceptionjournal.org
- Reference 11AJPMONLINEajpmonline.org
ajpmonline.org
- Reference 12NEJMnejm.org
nejm.org
- Reference 13THELANCETthelancet.com
thelancet.com
- Reference 14JAIDSjaids.com
jaids.com







