Table 2

Regression results: probability of healthcare resources utilisation and cost estimation

CovariatesProbability
(first modelling part)
Cost ratios
(second modelling part)
Coefficient (95% CI)SECoefficient (95% CI)SE
Age group (years)
 0–49Reference
 50–540.329 (0.260 to 0.398)0.0350.036 (−0.016 to 0.087)0.026
 55–590.388 (0.326 to 0.450)0.0310.081 (0.036 to 0.127)0.023
 60–640.464 (0.407 to 0.521)0.0290.124 (0.082 to 0.166)0.021
 65–690.486 (0.432 to 0.540)0.0280.157 (0.116 to 0.198)0.021
 70–740.479 (0.426 to 0.533)0.0270.213 (0.174 to 0.252)0.020
 75–790.536 (0.482 to 0.590)0.0270.222 (0.183 to 0.260)0.020
 80–840.431 (0.375 to 0.486)0.0280.286 (0.246 to 0.326)0.020
 85–890.378 (0.318 to 0.437)0.0300.375 (0.332 to 0.417)0.021
 90—max0.150 (0.083 to 0.217)0.0340.516 (0.468 to 0.564)0.025
Sex
 MaleReference
 Female0.045 (0.028 to 0.062)0.0090.054 (0.044 to 0.064)0.005
Date of admission0.169 (0.167 to 0.171)0.001−0.024 (−0.025 to −0.023)0.001
SIMD quintile
 1Reference
 20.027 (−0.018 to 0.071)0.023−0.055 (−0.080 to −0.031)0.012
 3−0.041 (−0.086 to 0.003)0.023−0.080 (−0.106 to −0.054)0.013
 4−0.046 (−0.091 to −0.002)0.023−0.116 (−0.141 to −0.090)0.013
 5−0.072 (−0.117 to −0.027)0.023−0.147 (−0.172 to −0.122)0.013
Geography
 Large urbanReference
 Other urban−0.130 (−0.156 to −0.105)0.013−0.023 (−0.037 to −0.009)0.007
 Accessible small towns−0.153 (−0.187 to −0.119)0.017−0.041 (−0.060 to −0.022)0.010
 Accessible rural−0.197 (−0.230 to −0.165)0.016−0.043 (−0.062 to −0.024)0.010
 Remote small towns−0.145 (−0.197 to −0.093)0.0270.009 (−0.023 to 0.041)0.016
 Remote rural−0.288 (−0.335 to −0.241)0.024−0.036 (−0.065 to −0.007)0.015
 Very remote small towns−0.380 (−0.459 to −0.300)0.041−0.057 (−0.107 to −0.006)0.026
 Very remote rural−0.346 (−0.407 to −0.284)0.031−0.061 (−0.102 to −0.020)0.021
Health boards
 Great Glasgow and ClydeReference
 Lothian−0.044 (−0.075 to −0.014)0.016−0.033 (−0.049 to −0.017)0.008
 Lanarkshire−0.005 (−0.038 to 0.029)0.017−0.063 (−0.081 to −0.045)0.009
 Ayrshire and Arran−0.358 (−0.394 to −0.321)0.019−0.046 (−0.068 to −0.024)0.011
 Grampian0.017 (−0.019 to 0.054)0.019−0.059 (−0.078 to −0.039)0.010
 Tayside−0.402 (−0.436 to −0.368)0.018−0.083 (−0.103 to −0.062)0.010
 Fife−0.059 (−0.101 to −0.017)0.022−0.009 (−0.033 to 0.016)0.012
 Highland−0.175 (−0.225 to −0.124)0.026−0.046 (−0.077 to −0.015)0.016
 Forth Valley−0.477 (−0.518 to −0.436)0.021−0.109 (−0.135 to −0.082)0.013
 Dumfries and Galloway−0.303 (−0.352 to −0.253)0.025−0.134 (−0.164 to −0.104)0.015
 Borders−0.501 (−0.554 to −0.449)0.027−0.086 (−0.120 to −0.052)0.017
 Western Isles−1.072 (−1.171 to −0.974)0.0500.457 (0.381 to 0.533)0.039
 Orkney−0.362 (−0.492 to −0.232)0.066−0.029 (−0.117 to 0.059)0.045
 Shetland−0.495 (−0.622 to −0.368)0.065−0.076 (−0.171 to 0.018)0.048
Mortality within 5 years
 AliveReference
 Dead0.418 (0.376 to 0.461)0.0220.652 (0.630 to 0.674)0.011
Comorbidity
 No comorbiditiesReference
 1 comorbidity0.666 (0.567 to 0.766)0.0510.374 (0.299 to 0.450)0.038
 >1 comorbidities1.205 (1.021 to 1.390)0.0940.990 (0.910 to 1.070)0.041
  • SIMD, Scottish Index of Multiple Deprivation.