Table 4.

Linguistic changes in members from r/happy, r/ibs, and r/diabetes. Variables are reported as the mean, median, and 95% CIs of word usage change of each dimension for all members.

Linguistic dimensions		r/happy mean, median (CI) n=8130	r/diabetes mean, median (CI) n=4539	r/ibs mean, median (CI) n=923
Psychological processes
	Positive emotion	0.005, 0.004 (0.0005-0.01)	0.01, 0.01 (-0.01 to 0.02)	0.02, 0.02 (-0.005 to 0.05)
	Negative emotion	-0.01, -0.01 (-0.03 to 0.001)	-0.02, -0.02 (-0.04 to 0.003)	-0.005, -0.02 (-0.05 to 0.03)
	Anxiety	0.002, -0.003 (-0.06 to 0.06)	-0.26, -0.15 (-0.35 to -0.17)	-0.18, -0.08 (-0.31 to -0.04)
	Anger	-0.02, -0.02 (-0.06 to 0.02)	-0.11, -0.04 (-0.18 to -0.03)	-0.13, -0.06 (-0.27 to 0.01)
	Sadness	0.01, -0.003 (-0.04 to 0.07)	-0.18, -0.10 (-0.25 to -0.10)	-0.15, -0.11 (-0.33 to 0.04)
Linguistic processes
	First person singular	-0.01, -0.01 (-0.02 to -0.01)	-0.09, -0.04 (-0.11 to -0.07)	-0.03, -0.03 (-0.06 to -0.008)
	Negation	-0.02, -0.01 (-0.04 to 0.01)	0.02, 0.002 (-0.02 to 0.05)	-0.008, -0.01 (-0.08 to 0.06)
	Swear words	-0.03, -0.02 (-0.09 to 0.03)	-0.01, 0.005 (-0.20 to 0.18)	-0.06, -0.01 (0.44 to 0.33)
Personal concerns
	Death	-0.52, -0.17 (-0.69 to -0.36)	-0.93, -0.22 (-1.35 to -0.51)	-0.98, -0.56 (-1.73 to -0.23)
Spoken categories
	Assent	0.02, 0.01 (-0.01 to 0.05)	-0.03, 0.05 (-0.10 to 0.05)	0.04, 0.02 (-0.09 to 0.18)