Table 4.

Survival analysis showing influence of covariates in two models

	Model 1		Model 2
Covariates	Hazard Ratio	Standard Error	Hazard Ratio	Standard Error
Total number of posts	0.91**	0.034	0.92**	0.034
Total number of first replies provided	0.92**	0.032	0.92**	0.031
Total number of first replies received	0.83*	0.091	0.84	0.091
Total number of original threads	0.75**	0.095	0.74**	0.094
Vocabulary similarity scores			0.95***	0.008

^***p<0.001,

^**p<0.01,

^*p<0.05