# Table 4 OLS regressions predicting total number of readmissions, and number of days until readmission, among those with at least one readmission (n = 677)

Regression against “total number of readmissions” variable (n = 677) Regression against “number of days till first readmission” variable (n = 677)
B SE B β B SE B β
Diagnosis variables
Patient also had assault diagnosis at time of index episode (0 = no, 1 = yes) -.352 .302 -.049   -38.252 73.977 -.021
Patient also had other substance use diagnosis at time of index episode (0 = no, 1 = yes) -.164 .213 -.030   83.849 52.153 .062
Patient also had injury diagnosis at time of index episode (0 = no, 1 = yes) -.347 .233 -.066   -7.836 57.167 -.006
Patient also had other mental health diagnosis at time of index episode (0 = no, 1 = yes) .163 .229 .028   -71.524 56.274 -.050
Patient also had self-harm diagnosis at time of index episode (0 = no, 1 = yes) -.032 .175 -.009   -60.333 42.976 -.071
Patient also had “undetermined intent” diagnosis at time of index episode (0 = no, 1 = yes) -.534 .674 -.031   427.671 165.296 .099 *
Patient’s primary diagnosis at index admission was alcohol related (0 = no, 1 = yes) -.207 .178 -.063   -65.637 43.610 -.081
Demographic variables
Average level of wealth of the patient’s area of residence at time of index admission -.023 .025 -.037   5.199 6.087 .034
Age at start of index admission (within the 12-18 year age band) .053 .042 .057   -20.931 10.189 -.092 *
Patient was treated during index admission in an urban PCT (0 = no, 1 = yes) -.027 .137 -.008   43.768 33.586 .052
Patient was male (0 = no, 1 = yes) -.072 .135 -.022   125.755 33.167 .153 ***
Address missing at time of index admission (0 = not missing, 1 = missing) .384 .477 .031   103.224 116.940 .034