Depression and Self-Harm Risk Assessment in Online Forums
Table 2: Performance identifying depressed users on the Reddit test set. The differences between the CNN and baselines are statistically significant (McNemar’s test, p<0.05).
['Method', 'Precision', 'Recall', 'F1']
Results. Our proposed model outperforms the baselines by a large margin in terms of recall and F1 on the diagnosed users (increases of 41% and 16%, respectively), but performs worse in terms of precision. As described later in the analysis section, the CNN identifies language associated with negative sentiment across a user’s posts.