A. All labels used to describe 10 k-means clustering results for r/Anxiety subreddit.

Cluster label	Occurrence of labels in 10 k-means	Overlapping vocabularies (in %)
medication	10	89.42
misc.	10	41.40
panic attack	10	94.18
sleep	10	88.13
therapy/therapist	10	80.83
work	10	90.93
living with anxiety	9	74.94
positive emotion	9	71.39
social anxiety	9	94.28
how others think of you	8	62.76
want/need help	8	65.64
what do you think	8	77.79
congratulation	7	84.57
school	7	70.48
anxious feeling	6	68.13
heart attack and panic attack	3	82.67
gratitude	2	90.00
medication and symptoms	2	66.00
symptoms of anxiety disorder	2	80.00
animal	1
anxiety and relationship	1
anxiety symptoms	1
depression	1
different medication experiences	1
do I have anxiety	1
driving	1
mental disorder	1
need help	1
school and driving	1