Table 2

Results of hurdle regression models

Log modelStrokeMICOPDGIC
for zero countsEst (95% CI)Es. (95% CI)Est (95% CI)Est (95% CI)
Intercept0.173 (0.083 to 0.262)0.178 (0.084 to 0.273)0.027 (0.000 to 0.193)0.217 (0.121 to 0.314)
After0.062 (0.000 to 0.129)0.074 (0.000 to 0.163)0.190 (0.087 to 0.293)0.230 (0.159 to 0.301)
Men1.802 (1.731 to 1.872)1.841 (1.760 to 1.922)2.160 (2.028 to 2.292)1.609 (1.525 to 1.693)
Men* after0.965 (0.879 to 1.052)0.894 (0.789 to 0.999)0.755 (0.609 to 0.900)0.895 (0.801 to 0.988)
Age 70–790.528 (0.438 to 0.619)0.465 (0.375 to 0.555)0.597 (0.444 to 0.751)0.458 (0.360 to 0.557)
Age 80–890.347 (0.247 to 0.446)0.278 (0.170 to 0.386)0.435 (0.244 to 0.626)0.287 (0.168 to 0.407)
Age 90+0.321 (0.143 to 0.499)0.265 (0.049 to 0.480)0.658 (0.134 to 1.183)0.230 (0.000 to 0.538)
NB model
for positive counts
Stroke
Est (95% CI)
MI
Est (95% CI)
COPD
Est (95% CI)
GIC
Est (95% CI)
Intercept3.634 (3.615 to 3.654)3.535 (3.513 to 3.558)5.126 (5.101 to 5.152)3.463 (3.437 to 3.490)
lin spl (Temp Dist)10.944 (0.933 to 0.955)0.948 (0.935 to 0.961)0.910 (0.896 to 0.925)0.871 (0.856 to 0.887)
lin spl (Temp  Dist)20.872 (0.861 to 0.884)0.877 (0.863 to 0.890)0.801 (0.787 to 0.816)0.787 (0.771 to 0.802)
After1.727 (1.715 to 1.739)1.638 (1.624 to 1.652)1.291 (1.275 to 1.307)1.350 (1.331 to 1.368)
lin spl (Temp Dist)1*after0.937 (0.922 to 0.951)0.944 (0.928 to 0.961)1.056 (1.037 to 1.075)1.062 (1.040 to 1.084)
lin spl(Temp Dist)2*after0.983 (0.968 to 0.998)0.955 (0.938 to 0.972)1.241 (1.221 to 1.261)1.166 (1.142–1.189)
Men0.821 (0.806 to 0.836)0.796 (0.778 to 0.814)0.855 (0.832 to 0.878)0.859 (0.838 to 0.881)
Men*after1.113 (1.102 to 1.124)1.112 (1.099 to 1.124)1.078 (1.063 to 1.093)1.097 (1.079 to 1.114)
Age 70–791.116 (1.097 to 1.135)1.143 (1.123 to 1.163)1.079 (1.053 to 1.105)1.132 (1.106 to 1.157)
Age 80–891.161 (1.141 to 1.181)1.240 (1.217 to 1.263)1.097 (1.066 to 1.129)1.216 (1.187 to 1.246)
Age 90+1.129 (1.094 to 1.164)1.230 (1.186 to 1.274)1.070 (0.981 to 1.158)1.277 (1.206 to 1.348)
Number  of observations217 000157 68088 712114 961
Number of groups24 14617 218986514 393
VAR Ind RE Log Model4.603.906.053.87
VAR Ind RE NB Model0.230.240.250.28
Overdisp Par NB Model11.2015.5013.908.55
  • COPD, chronic obstructive pulmonary disease; GIC, gastrointestinal cancers; lin spl, linear spline, MI, myocardial infarction; Temp Dis, temporal distance to hospital admission; Est, estimate; VAR Ind RE, variance individual random effect; NB Model, negative bionomial model; Overdisp Par, overdispersion.