Skip to main content

Table 5 Estimates from Multivariate Regression Models 1–3

From: Factors influencing the variation in GMS prescribing expenditure in Ireland

Variables Model 1 Model 2 Model 3
  β C1 95 % t-stat β C1 95 % t-stat β CI 95 % t-stat
Constant 3.339    3.288    3.324   
Sex (F) 0.107 (0.103;0.112) a47.84 0.018 (0.015;0.022) a10.07 0.025 (0.021;0.029) a13.66
Age 0.044 (0.044;0.045) a1043.44 0.015 (0.015;0.015) a306.74    
Dublin ML 0.026 (0.019;0.032) a7.76 −0.003 (−0.008;0.002) a-1.16 −0.003 (−0.009;0.002) −1.20
West −0.017 (−0.024;-0.011) a-5.16 0.008 (0.003;0.014) a3.07 0.009 (0.003;0.014) a3.21
South 0.056 (0.050;0.063) a17.08 0.038 (0.033;0.043) a14.21 0.037 (0.032;0.043) a14.00
Alimentary     0.911 (0.907;0.915) a440.64 0.903 (0.899;0.907) a436.51
Cardiovascular     1.229 (1.224;1.234) a478.42 1.193 (1.188;1.198) a452.28
Nervous     0.927 (0.923;0.931) a456.61 0.947 (0.943;0.951) a454.63
<5        0.117 (0.106;0.128) a21.57
5–11        0.103 (0.092;0.113) a19.23
16–24        0.237 (0.227;0.247) a45.55
25–34        0.370 (0.360;0.381) a72.09
35–44        0.475 (0.465;0.485) a92.06
45–54        0.706 (0.696;0.717) a131.29
55–64        0.957 (0.946;0.968) a172.64
65–69        1.071 (1.059;1.083) a173.49
70–74        1.126 (1.114;1.137) a189.07
>75        1.195 (1.184;1.206) a215.44
Adjusted R2   0.402   0.604    0.605   
  1. aStatistically significant at 5 % level
  2. The dependent variable was the logarithim of annual total GMS cost (€) per claimant
  3. Baseline - Males, age category 12–15, Dublin NE and ATC ‘R’. (least cost variables)