Before revision:  Further research needs to be done in order to translate our quantitative and qualitative findings into features, as it may improve overall performance.abstract 
After revision:  Further research needs to be done in order to translate our quantitative and qualitative findings into features, as it may improve overall performance.abstract \%), which is the most severe class. Six salient linguistic characteristics were found when analysing the crisis post; 1) posts expressing hopelessness, 2) short posts expressing concise negative emotional responses, 3) long posts expressing variations of emotions, 4) posts expressing dissatisfaction with available health services, 5) posts utilising storytelling, and 6) posts expressing users seeking advice from peers during a crisis. Conclusion: It is possible to build a competitive triage classifier using features derived only from the textual content of the post. Further research needs to be done in order to translate our quantitative and qualitative findings into features, as it may improve overall performance.