Table 3.
LIWC speech features associated with EE subtypes based on a significant Spearman rank correlation or identification from the Boruta algorithm
| Spearman rank correlation | Cohen’s d (95% CI) | p-value | |
|---|---|---|---|
| Criticism | |||
| Adjectives | −0.20 | 0.41 (0.03, 0.78) | 0.02 |
| Adverb | −0.18 | 0.26 (−0.12, 0.63) | 0.04 |
| Anger* | 0.41 | −0.90 (−1.29, −0.51) | <0.001 |
| Anxiety* | 0.05 | 0.01 (−0.36, 0.38) | 0.55 |
| Differentiation | 0.18 | −0.37 (−0.74, 0.00) | 0.04 |
| Female references | −0.18 | 0.39 (0.01, 0.76) | 0.04 |
| Informal language* | −0.20 | 0.41 (0.03, 0.78) | 0.03 |
| Insight* | −0.17 | 0.41 (0.04, 0.79) | 0.06 |
| Male references | 0.20 | −0.47 (−0.85, −0.10) | 0.03 |
| Negate* | 0.20 | −0.32 (−0.70, 0.05) | 0.02 |
| Negative emotions | 0.25 | −0.41 (−0.78, −0.03) | 0.005 |
| Nonfluencies | −0.19 | 0.34 (−0.03, 0.71) | 0.04 |
| Risk | 0.18 | −0.35 (−0.72, 0.03) | 0.05 |
| Tentative* | 0.28 | −0.52 (−0.90, −0.15) | 0.002 |
| Tone (emotional tone) | −0.19 | 0.36 (−0.01, 0.74) | 0.04 |
| Emotional Overinvolvement | |||
| Affect words* | 0.22 | −0.44 (−0.83, −0.05) | 0.01 |
| Auxiliary verbs* | 0.26 | −0.60 (−0.99, −0.21) | 0.004 |
| Biological processes* | 0.24 | −0.64 (−1.03, −0.24) | 0.007 |
| Function words* | 0.19 | −0.41 (−0.80, −0.03) | 0.03 |
| Informal language* | −0.27 | 0.61 (0.22, 1.00) | 0.003 |
| Male references* | 0.19 | −0.32 (−0.71, 0.07) | 0.04 |
| Nonfluencies* | −0.24 | 0.62 (0.23, 1.01) | 0.007 |
| Perceptual processes* | 0.31 | −0.68 (−1.08, −0.29) | <0.001 |
| Personal pronouns* | 0.23 | −0.51 (−0.90, −0.12) | 0.01 |
| Positive emotions* | 0.18 | 0.52 (0.13, 0.91) | 0.05 |
| See* | 0.28 | −0.67 (−1.06, −0.28) | 0.002 |
| Six-letter words* | −0.17 | 0.43 (0.05, 0.82) | 0.07 |
| Tentative* | −0.22 | 0.52 (0.13, 0.91) | 0.02 |
| Verbs* | 0.19 | −0.45 (−0.84, −0.06) | 0.04 |
| Warmth | |||
| Affiliation | 0.18 | −0.33 (−0.80, 0.14) | 0.04 |
| Anxiety* | −0.23 | 0.50 (−0.07, 0.87) | 0.01 |
| Body | −0.22 | 0.54 (0.07, 1.01) | 0.01 |
| Filler | 0.14 | −0.36 (−0.83, 0.11) | 0.12 |
| Negate* | −0.25 | 0.63 (0.15, 1.10) | 0.007 |
| Negative emotions* | −0.28 | 0.75 (0.28, 1.23) | 0.002 |
| Nonfluencies* | 0.02 | −0.10 (−0.57, 0.36) | 0.81 |
| Positive emotions* | 0.10 | −0.18 (−0.65, −0.28) | 0.28 |
| Tone | 0.22 | −0.56 (−1.04, −0.09) | 0.02 |
| Word count | 0.20 | −0.47 (−0.94, −0.00) | 0.03 |
indicates speech features used in final SVM classification for that EE subtype