Table 1.
LIWC speech features and their correlation with concurrent A-LIFE depression scores.
| Speech feature | Abbreviation | Example words | A-LIFE depression correlation |
|---|---|---|---|
| Affective processes | affect | Happy, cried | −0.17 |
| Positive emotion | posemo | Love, nice, sweet | −0.13 |
| Negative emotion | negemo | Hurt, ugly, nasty | −0.10 |
| Social processes | social | Mate, talk, they | 0.12 |
| Family | family | Daughter, dad, aunt | −0.07 |
| Friends | friend | Buddy, neighbor | 0.01 |
| Drives | drives | −0.11 | |
| Affiliation | affiliation | Ally, friend, social | −0.06 |
| Achievement | achieve | Win, success, better | 0.09 |
| Power | power | Superior, bully | 0.02 |
| Reward | reward | Take, prize, benefit | −0.11 |
| Risk | risk | Danger, doubt | −0.13 |
| Personal concerns | |||
| Work | work | Job, majors | −0.07 |
| Leisure | leisure | Cook, chat, movie | −0.21 |
| Home | home | Kitchen, landlord | −0.10 |
| Informal language | informal | −0.12 | |
| Nonfluencies | nonflu | Er, hm, umm | −0.15 |
| Time orientation | |||
| Past focus | focuspast | Ago, did, talked | −0.29 |
| Present focus | focuspresent | Today, is, now | 0.21 |
| Future focus | focusfuture | May, will, soon | 0.02 |
This table presents the twenty LIWC speech features (of 93 total) selected for use in this study. The sample includes 253 speech recordings from 44 adolescent subjects. The bolded values represent correlations between speech feature and concurrent A-LIFE depression scores with a p < 0.1.