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. 2010 Jan 1;8(1):49–65. doi: 10.1177/147470491000800106

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© 2010 SAGE Publications Inc.

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 3.0 License (https://creativecommons.org/licenses/by-nc/3.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page(http://www.uk.sagepub.com/aboutus/openaccess.htm).

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Figure 1. — Scatter plot of male and female participants on PC1 on PC2.

Note. A. Male participants. B. Female participants. Black squares represent individuals who reported ages at first sexual intercourse at 16 years (median) or less and open triangles represent individuals who reported ages at first sexual intercourse after age 16 years.