. Author manuscript; available in PMC: 2010 Jun 8.

Published in final edited form as: Am J Hum Biol. 2009 May-Jun;21(3):365–370. doi: 10.1002/ajhb.20892

TABLE 2.

Level of intraobserver agreement when determining digit ratios from physical measurments, photocopies, printed scanned images, and computer-assisted image analysis

Intraclass correlation coefficient
Observer	Physical	Photocopy	Printed scan	Computer assisted
1	0.873	0.928	0.822	0.916
2	0.934	0.925	0.861	0.962
3	0.969	0.964	0.843	0.994
Mean	0.925^a,b	0.939^a	0.842^b	0.957^a

Significant differences for within row comparisons are denoted by different letters (P < 0.05).