Table 3. DFA structure matrix showing pooled within-groups correlations between discriminating variables and the first four standardized canonical discriminant functions with eigenvalues >1 (explaining 85.7% of the variance).

Acoustic measures	Discriminant functions
	1	2	3	4
F4	0.826	−0.365	−0.175	0.018
ΔF	0.726	0.441	−0.005	−0.355
F6	0.364	0.530	0.358	−0.450
F5	0.515	0.307	−0.545	−0.241
F3	0.276	0.194	−0.047	0.297
F1	0.162	−0.024	−0.066	−0.100
F2	0.383	0.130	−0.201	0.110
Ampvar	0.048	0.247	0.258	0.537
Mean F0	−0.083	0.062	−0.346	0.284
Maximum F0	0.024	0.149	−0.193	0.370
Duration	0.086	0.001	0.178	−0.135
Minimum F0	−0.038	−0.029	−0.041	−0.086
Jitter	0.015	0.057	0.187	0.192
Eigenvalue	10.3	2.6	2.0	1.2
% of Variance	55.0	13.8	10.7	6.1
Cumulative %	55.0	68.8	79.6	85.7

Discriminating variables are ordered by absolute size of correlation within function. Correlation coefficients >0.3 are in bold.