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Table 4 Logistic regression results

From: Using overbooking to manage no-shows in an Italian healthcare center

Variable Magnetic Resonance All wards (average)
Intercept   −1.684 (−42.67)***
Patient’s intrinsic factors   
Gender Female 0.113 (7.62) *** 50%
Age group 0–18 −0.003 (− 0.09) 43%
19–45 0.105 (6.2) *** 71%
65–79 −0.118 (−5.39) *** 57%
80+ 0.066 (1.38) 29%
Insurance status Private 0.371 (4.3) *** 100%
Rate of previous cancellations   0.198 (5.82) *** 29%
Rate of previous no-shows   1.465 (19.97) *** 71%
Type of patient Returned patient − 0.45 (−28.27) *** 100%
Booking confirmation Confirmed −0.98 (−53.38) *** 100%
Type of booking Web 0.933 (9.5) *** 29%
Exogenous factors   
Day of the week Monday 0.065 (2.63) ** 14%
Tuesday 0.04 (1.61) 57%
Thursday 0.063 (2.53) * 14%
Friday 0.008 (0.32) 0%
Saturday 0.085 (3.11) ** 43%
Sunday 0.337 (9.79) *** 50%
Month of the year January −0.033 (−0.98) 0%
February 0.052 (1.59) 0%
April −0.054 (−1.53) 0%
May −0.087 (−2.63) ** 0%
June 0.037 (1.1) 14%
July 0.001 (0.03) 0%
August −0.029 (−0.74) 0%
September −0.099 (−2.91) ** 0%
October 0.067 (1.53) 0%
November −0.22 (−3.35) *** 14%
December 0.046 (0.63) 0%
Year 2013 −0.122 (−6.07) *** 17%
2014 −0.395 (−12.68) *** 29%
Time of the day 6 AM–8 AM 0.165 (6.31) *** 100%
1 PM–8 PM 0.235 (13.58) *** 57%
8 PM-2 AM (+1d) 0.507 (20.42) *** 100%
Long weekend Yes −0.041 (−1.9) 0%
Weather forecast Rain 0.056 (3.13) ** 29%
Storm 0.027 (1.23) 0%
Text message reminder service Activated but not sent 0.063 (1.84) 0%
Sent −0.178 (−4.9) *** 67%
Factors associated with the examination   
 No NHS coverage period Yes 0.27 (4.6) *** 86%
 Contrast agent Yes 0.018 (0.97) 0%
 Price of the examination   −0.002 (−7.14) *** 50%
 Waiting list   0.024 (21.79) *** 71%
 Time allowed   0.002 (5.7) *** 43%
Goodness of fit measures Magnetic Resonance All wards(average)
 R2 0.05 0.19
 Hosmer-Lemeshow 25.76 15.11
 AIC 59,787.9 16,085.55
 AUC 0.66 0.77
Goodness of fit measures – Out of Sample Magnetic Resonance All wards (average)
 Hosmer-Lemeshow 38.31 26.52
 AUC 0.65 0.75
  1. For the MR ward, estimated parameters, z-value (in parentheses) and significance symbols are reported. For the remaining wards, we reported how many times, in percentage, each variable is significant at α = 0.05. Significance codes: 0’***’ 0.001’**’ 0.01’*’ 0.05