Table 3.

LDA topics associated with posts by users who self-declared to be family members or friends of individuals with or that had cancer (ie, the “family or friend” group) compared with posts by users in the “has cancer” group.

LDAa topic themes	Highly correlated words in topics	Cohen d
Losing family member	mom, day, passed, lost, home, didn't, love, hospital, wanted, made	0.702
Caring for family member	sister, brother, family, wife, home, work, parents, mother, live, care	0.373
Diagnosis of family member	dad, he’s, father, diagnosed, stage, ago, found, lung, today, pancreatic	0.339
Diagnosis of family member	mom, stage, breast, diagnosed, advice, she's, friend, ovarian, grandma, lung	0.179
Talk around support	time, life, family, things, make, support, care, health, long, difficult	0.159

^aLDA: latent Dirichlet allocation.