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Table 3 Hazard ratios for NPI and explanatory variables

From: Survival analysis of factors affecting the timing of COVID-19 non-pharmaceutical interventions by U.S. universities

Survival analysis models with explanatory variables Relative risk
(95% confidence interval)
P
Move Online
 Private / Public 0.79 (0.64:0.98) 0.031
 Democrat/Republican Governor 0.80 (0.73:0.88) < 0.001
 Democrat/Republican Congressional House 0.64 (0.52:0.78) < 0.001
 More / Less Diverse Faculty 0.76 (0.60:0.95) 0.017
 More / Less Diverse Students 1.09 (0.87:1.37) 0.466
 No/ Yes Health infrastructure 0.89 (0.72:1.09) 0.257
 Fewer/more foreign students 1.22 (1.02:1.46) 0.029
 City-Suburb / Town-Rural 0.92 (0.72:1.18) 0.517
 Enrollment < 20 k / > 20 k 1.25 (0.99:1.57) 0.059
 State Case Prevalence, Quartile 1 1  
  Quartile 2 0.82 (0.64:1.05) 0.124
  Quartile 3 0.39 (0.30:0.50) < 0.001
  Quartile 4 0.53 (0.40:0.69) < 0.001
Campus Housing
 Private / Public 0.50 (0.38:0.65) < 0.001
 Religious / Not Religious 1.26 (0.90:1.77) 0.171
 Democrat/Republican Congressional House 0.70 (0.57:0.86) < 0.001
 No/ Yes Health infrastructure 0.99 (0.81:1.19) 0.879
 Fewer/more foreign students 0.94 (0.77:1.13) 0.495
 City-Suburb / Town-Rural 0.76 (0.58:1.00) 0.048
 State Case Prevalence, Quartile 1 1  
  Quartile 2 0.54 (0.42:0.70) < 0.001
  Quartile 3 0.22 (0.16:0.29) < 0.001
  Quartile 4 0.11 (0.08:0.15) < 0.001
Cancel Travel
 Private / Public 0.83 (0.67:1.03) 0.087
 Democrat/Republican Congressional House 0.61 (0.50:0.73) < 0.001
 Fewer/more foreign students 1.00 (0.83:1.20) 0.994
 State Case Prevalence, Quartile 1 1  
  Quartile 2 0.41 (0.32:0.53) < 0.001
  Quartile 3 0.30 (0.23:0.39) < 0.001
  Quartile 4 0.14 (0.10:0.18) < 0.001
Campus Closed
 Religious / Not Religious 1.37 (1.03:1.82) a0.032
 Democrat/Republican Governor 0.77 (0.70:0.85) < 0.001
 Democrat/Republican Congressional House 0.67 (0.54:0.83) < 0.001
 More / Less Diverse Faculty 0.65 (0.53:0.80) < 0.001
 State Case Prevalence, Quartile 1 1  
  Quartile 2 0.32 (0.25:0.42) < 0.001
  Quartile 3 0.21 (0.16:0.27) < 0.001
  Quartile 4 0.11 (0.08:0.16) < 0.001
Remote Work
 Democrat/Republican Governor 0.68 (0.62:0.75) < 0.001
 Democrat/Republican Congressional House 0.77 (0.62:0.94) 0.011
 More / Less Diverse Faculty 0.69 (0.54:0.88) 0.003
 More / Less Diverse Students 0.86 (0.67:1.10) 0.226
 No/ Yes Health infrastructure 0.89 (0.72:1.09) 0.262
 City-Suburb / Town-Rural 0.76 (0.58:0.99) 0.043
 Enrollment < 20 k / > 20 k 1.34 (1.07:1.67) 0.010
 State Case Prevalence, Quartile 1 1  
  Quartile 2 0.52 (0.40:0.67) < 0.001
  Quartile 3 0.25 (0.19:0.33) < 0.001
  Quartile 4 0.16 (0.12:0.21) < 0.001
  1. Statistically significant results in bold text
  2. aCampus closure, Religious / Not Religious was not statistically significant (p = 0.087) when adjusting for spring break as a time varying covariate