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Table 10 Results of Cox proportional hazards model for interval between a Facebook post and its last activity. The Coefficient (SE), hazard ratio (HR), z and p-values (*p < 0.05, **p < 0.01, ***p < 0.001) for various independent variables are shown

From: Social media engagement analysis of U.S. Federal health agencies on Facebook

  Interval between Facebook Post & Last Activity
Coefficient (SE) HR z p
Log-transformed page likes −0.424 (0.008) 0.654 −54.583 ***
Link −0.142 (0.128) 0.868 −1.103  
Music −0.211 (0.172) 0.810 −1.228  
Photo −0.435 (0.129) 0.647 −3.377 ***
Question 0.221 (0.173) 1.248 1.28  
Status −0.105 (0.129) 0.900 −0.816  
Video −0.291 (0.131) 0.748 −2.214 *
Positive Sentiment −0.022 (0.007) 0.979 −2.989 **
Negative Sentiment 0.007 (0.005) 1.007 1.437  
Activities & Behaviors −0.03 (0.01) 0.971 −2.925 **
Anatomy −0.004 (0.017) 0.996 −0.207  
Chemicals & Drugs −0.011 (0.012) 0.989 −0.935  
Concepts & Ideas −0.023 (0.01) 0.977 −2.376 *
Devices 0.137 (0.053) 1.147 2.593 **
Disorders 0.012 (0.011) 1.012 1.101  
Genes & Molecular Sequences −0.146 (0.051) 0.864 −2.876 **
Geographic Areas −0.004 (0.014) 0.996 −0.295  
Living Beings 0 (0.01) 1.000 0.02  
Objects 0.02 (0.012) 1.020 1.66 .
Occupations 0.042 (0.016) 1.043 2.578 **
Organizations 0.054 (0.014) 1.056 3.846 ***
Phenomena −0.068 (0.014) 0.935 −4.988 ***
Physiology −0.005 (0.011) 0.995 −0.434  
Procedures −0.028 (0.012) 0.973 −2.296 *