B. All labels used to describe 10 k-means clustering results for the r/Depression subreddit

Cluster label	Occurrence of labels in 10 kmeans	Overlapping vocabularies (in %)
misc.	10	18.48
birthday	10	78.93
need for depression	10	65.29
school	10	88.13
sleep	10	99.60
talking to friends	10	78.58
depressed times	9	64.61
gratitude	9	80.61
feelings of depression	8	60.86
love and depression	8	78.14
work	8	84.86
positive emotion	7	52.10
understanding depressed individual	7	80.86
congratulation	5	80.60
games	5	72.80
friends and family	4	68.00
loss and depression	4	83.67
negative emotion	4	62.67
suicide	4	89.00
medication	2	48.00
reddit	2	92.00
music	1
talking	1
social	1
weather	1