Table 3.

Overall and age-group-specific logistic regression formulae and associated statistics for sex estimation (0 = male, 1 = female) in the Australian sample

	Logistic regression (LR) formula (sex =)	95% CI	LR	LR
		of GSN	p-value	Pseudo-R2
Total sample without age	− 2.930*GSN + 6.552	− 3.42	< 0.0001	0.5772
		to
		− 2.441
Total sample with age	− 3.029*GSN + 0.021*age + 5.679	− 3.535	< 0.0001	0.5892
		to
		− 2.523
Total sample with age group	− 3.029*GSN + 0.051*age group 2 + 1.344*age group 3 + 6.448	− 3.54	< 0.0001	0.5959
		to
		− 2.518
18–49 years	− 3.824*GSN + 8.078	− 4.965	< 0.0001	0.6562
		to
		− 2.682
50–69 years (age group 2)	− 2.446*GSN + 5.226	− 3.128	< 0.0001	0.5111
		to
		− 1.764
70 + years (age group 3)	− 3.079*GSN + 7.915	− 4.139	< 0.0001	0.6016
		to
		− 2.019