Table 5

Negative binomial regression with bootstrapped SEs (1000 replications) without stratification for length of stay due to unscheduled admissions

VariableCoef.SEZ-statP value(95% CI)
Intervention−0.10350.0746−1.390.165−0.2498 to 0.0428
After−0.15060.0983−1.530.125−0.3432 to 0.0420
Intervention*after−0.13320.1240−1.070.283−0.3761 to 0.1098
Female0.23000.06253.6800.1075 to 0.3525
Age 16–24−0.08180.1856−0.440.659−0.4456 to 0.2820
Age 25–34−0.06750.1784−0.380.705−0.4171 to 0.2822
Age 35–440.00330.17580.020.985−0.3414 to 0.3479
Age 45–54−0.12040.1719−0.70.484−0.4573 to 0.2165
Age 55–64−0.01760.1729−0.10.919−0.3564 to 0.3213
Age 65–740.14840.17140.870.387−0.1875 to 0.4844
Age 75 upReference group
SIMD Quintile 1−0.31930.1156−2.760.006−0.5460 to −0.0927
SIMD Quintile 2−0.08920.1150−0.780.438−0.3146 to 0.1362
SIMD Quintile 3−0.25300.1219−2.080.038−0.4920 to −0.0141
SIMD Quintile 40.10890.13120.830.406−0.1482 to 0.3661
SIMD Quintile 5Reference group
SPARRA score at entry0.03450.002315.1200.0301 to 0.0390
Intercept−0.13170.2710−0.490.627−0.6629 to 0.3995
  • Number of obs=2654.

  • Log likelihood=−8168.7977 Pseudo R2=0.0324.

  • SIMD, Scottish Index of Multiple Deprivation; SPARRA, Scottish Patients at Risk of Readmission and Admission.