. Author manuscript; available in PMC: 2019 Aug 16.

Published in final edited form as: Proc SIGCHI Conf Hum Factor Comput Syst. 2017 May;2017:6363–6375. doi: 10.1145/3025453.3026008

Table 3.

Survival Analysis predicting how long members continue to participate in the community.

Predictors	Model 1	Model 2	Model 3	Model 4
Has profile	0.717^***	0.719^***	0.740^***	0.739^***
Tenure	0.440^***	0.436^***	0.440^***	0.434^***
Comments received	0.826^***	0.811^***	0.652^***	0.616^***
Informational support received			1.149^***	1.187^***
Emotional support received			1.107^***	1.139^***
Comments received x Tenure		0.949^***		0.873^***
Informational support received x Tenure				1.078^***
Emotional support received x Tenure				1.044^***
Supported Hypotheses	H2	H3B	Not H2	H3A; Not H4

Note cell entries are hazard ratios associated with a unit increase in an independent variable.

^***

Here, p<0.001

^**

p<0.01

p<0.05

Number of users = 52,076. Number of observations (user-month records) = 115,404