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 | |