From: Acoustic and language analysis of speech for suicidal ideation among US veterans
Variables | Overall mean (std) | Non-suicidal mean (std) | Suicidal mean (std) | p-adj | ϵ2 |
---|---|---|---|---|---|
Time between GCIs - mean | 0.0039 (0.0009) | 0.0038 (0.0009) | 0.0043 (0.0011) | 0.03 | 0.03 |
Time between GCIs - std | 0.0072 (0.0028) | 0.0074 (0.0029) | 0.0060 (0.0019) | 0.05 | 0.03 |
Energy contour for voiced segments - std | 2.8089 (0.9230) | 2.8806 (0.9270) | 2.3614 (0.7624) | < 0.001 | 0.04 |
Energy contour for voiced segments - skewness | −0.6763 (0.3286) | −0.7059 (0.3288) | − 0.4916 (0.2613) | < 0.001 | 0.05 |
Energy contour for voiced segments - kurtosis | 0.0866 (0.7950) | 0.1583 (0.8101) | −0.3609 (0.5018) | < 0.001 | 0.06 |
Energy contour for voiced segments - average tilt of a linear estimation | −34.9081 (24.2386) | −36.2156 (24.4906) | −26.7487 (20.9610) | 0.04 | 0.03 |
Energy contour for voiced segments - average MSE of a linear estimation | 5.7945 (3.4302) | 6.0285 (3.4929) | 4.3348 (2.5833) | 0.01 | 0.03 |
Delta energy entropy - std | 0.3577 (0.0788) | 0.3631 (0.0759) | 0.3240 (0.0878) | 0.04 | 0.03 |
Delta MFCC11 - std | 0.1881 (0.0172) | 0.1893 (0.0169) | 0.1805 (0.0169) | < 0.001 | 0.04 |
Delta MFCC12 - std | 0.1823 (0.0154) | 0.1832 (0.0152) | 0.1761 (0.0154) | 0.01 | 0.03 |
Delta MFCC1 - std | 1.0386 (0.2200) | 1.0525 (0.2112) | 0.9515 (0.2528) | 0.05 | 0.03 |