. 2021 Nov 10;23(11):e26310. doi: 10.2196/26310

Table 2.

Regression results based on user engagement measures as the criteria (N=16,651).

Variables		Number of retweets^a, β^b	Number of comments^c, β^b	Number of likes^d, β^b
Intercept		.001	.001	0
Control variables
	Noun count	.118^e	–.005^e	.056^e
	Inclusion of a URL	.066^e	–.050^e	.014^e
	Inclusion of a username mention	.044^e	.028^e	.023^f
	Inclusion of a hashtag	.114^e	.057^e	.126^e
	The message was news	.144^e	.042^e	.108^e
Topics
	Social support	.262^e	.361^e	.337^e
	Cancer treatment	.125^e	.097^e	.116^e
	Cancer prevention	.033^e	.016^e	.023^e
	Women’s cancers	.054^e	.038^e	.059^e
	Smoking and skin cancer	.110^e	.084^e	.123^e

^aThe R² value for the number of retweets is 0.066 (P<.001).

^bIndicates the β weights or standardized regression weights.

^cThe R² value for the number of comments is 0.089 (P<.001).

^dThe R² value for the number of likes is 0.075 (P<.001).

^eSignificant at the P<.001 level.

^fP=.002