Table 2 Regression results from two-part models
(1) Basic Model AIC: 18332417 | (2) Mortality-adjusted Model AIC: 18033849 | (3) Morbidity- and Mortality-adjusted Model AIC: 17781023 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
logit estimate | t-value | glm estimate | t-value | logit estimate | t-value | glm estimate | t-value | logit estimate | t-value | glm estimate | t-value | |
Female sex | 0.293*** | -25.04 | -0.202*** | -29.08 | 0.308*** | -11 | -0.108*** | -9.17 | 0.341*** | -12.25 | -0.0887*** | -10.36 |
Age at baseline | ||||||||||||
Age at baseline per year increase | 0.0551*** | -14.55 | 0.0346*** | -15.01 | 0.0550*** | -7.42 | 0.0284*** | -9.12 | 0.0533*** | -7.21 | 0.0293*** | -11.61 |
Age at baseline 2 | 0.000355 | -1.58 | -0.0000115 | -0.1 | 0.0000633 | -0.12 | -0.00022 | -1.2 | -0.000202 | -0.38 | -0.000371** | -2.75 |
Int. age at baseline # female sex | -0.00657*** | -3.75 | 0.00926*** | -10.03 | -0.00467 | -1.15 | 0.0127*** | -8.79 | -0.00734 | -1.81 | 0.00825*** | -7.75 |
Calendar year | ||||||||||||
1997 | Ref. | Ref. | Ref. | |||||||||
1998 | 0.110*** | -4.68 | 0.0412* | -2.29 | 0.107*** | -6.46 | 0.0300* | -2.13 | 0.104*** | -6.02 | 0.0235 | 1.47 |
1999 | 0.246*** | -10.07 | 0.0694*** | -3.84 | 0.246*** | -13.54 | 0.0638*** | -4.21 | 0.238*** | -12.78 | 0.0479** | -3.05 |
2000 | 0.410*** | -16.12 | 0.0443* | -2.46 | 0.409*** | -20.69 | 0.0480** | -3.14 | 0.392*** | -19.42 | 0.0225 | -1.44 |
2001 | 0.417*** | -16.23 | 0.0663*** | -3.68 | 0.414*** | -20.39 | 0.0592*** | -3.84 | 0.386*** | -18.6 | 0.0289 | -1.82 |
2002 | 0.291*** | -11.64 | -0.122*** | -6.73 | 0.290*** | -14.29 | -0.145*** | -8.93 | 0.257*** | -12.4 | -0.189*** | -11.45 |
2003 | 0.671*** | -24.2 | 0.151*** | -8.34 | 0.669*** | -28.72 | 0.157*** | -9.65 | 0.677*** | -28.66 | 0.178*** | -10.86 |
2004 | 0.801*** | -27.59 | 0.208*** | -11.43 | 0.799*** | -32.01 | 0.199*** | -12.34 | 0.751*** | -29.58 | 0.142*** | -8.82 |
2005 | 0.925*** | -30.53 | 0.233*** | -12.79 | 0.924*** | -35.03 | 0.213*** | -12.86 | 0.871*** | -32.61 | 0.146*** | -8.74 |
2006 | 1.004*** | -31.9 | 0.298*** | -16.21 | 1.000*** | -35.91 | 0.276*** | -16.53 | 0.952*** | -33.72 | 0.215*** | -12.92 |
2007 | 1.129*** | -34.14 | 0.366*** | -19.87 | 1.125*** | -38.03 | 0.335*** | -20.33 | 1.081*** | -36.07 | 0.287*** | -17.45 |
2008 | 1.300*** | -36.68 | 0.387*** | -20.91 | 1.297*** | -40.08 | 0.361*** | -21.66 | 1.241*** | -37.88 | 0.301*** | -17.78 |
2009 | 1.382*** | -37.33 | 0.455*** | -24.32 | 1.383*** | -40.79 | 0.392*** | -23.83 | 1.325*** | -38.57 | 0.324*** | -19.82 |
2010 | 1.485*** | -37.98 | 0.452*** | -24.02 | 1.481*** | -41.04 | 0.410*** | -24.75 | 1.420*** | -38.9 | 0.341*** | -20.55 |
2011 | 1.593*** | -38.66 | 0.525*** | -27.69 | 1.585*** | -41.09 | 0.457*** | -27.54 | 1.527*** | -39.07 | 0.403*** | -24.27 |
Int. age at baseline & calendar year | ||||||||||||
1998 # Age at baseline | 0.000516 | -0.16 | -0.00227 | -1 | 0.000259 | -0.11 | -0.00153 | -0.91 | -0.000105 | -0.04 | -0.00178 | -0.93 |
1999 # Age at baseline | 0.00759* | -2.19 | -0.000617 | -0.27 | 0.00739** | -2.86 | -0.000701 | -0.39 | 0.00646* | -2.45 | -0.00162 | -0.84 |
2000 # Age at baseline | 0.00806* | -2.22 | 0.00232 | -1.02 | 0.00721* | -2.54 | 0.00104 | -0.56 | 0.00555 | -1.91 | -0.000218 | -0.11 |
2001 # Age at baseline | 0.0181*** | -4.83 | -0.000646 | -0.28 | 0.0171*** | -5.68 | -0.000981 | -0.53 | 0.0148*** | -4.83 | -0.00354 | -1.84 |
2002 # Age at baseline | 0.0135*** | -3.72 | -0.000105 | -0.05 | 0.0121*** | -4.08 | -0.00117 | -0.6 | 0.00922** | -3.04 | -0.00398* | -1.97 |
2003 # Age at baseline | 0.0156*** | -3.82 | -0.000623 | -0.27 | 0.0135*** | -3.88 | -0.00201 | -1.03 | 0.0121*** | -3.43 | -0.00363 | -1.83 |
2004 # Age at baseline | 0.0178*** | -4.11 | -0.00119 | -0.51 | 0.0157*** | -4.1 | -0.00127 | -0.65 | 0.0123** | -3.18 | -0.00459* | -2.29 |
2005 # Age at baseline | 0.0146** | -3.22 | -0.000473 | -0.2 | 0.0118** | -2.9 | -0.00159 | -0.8 | 0.00715 | -1.74 | -0.00606** | -2.96 |
2006 # Age at baseline | 0.0193*** | -4.01 | 0.00219 | -0.92 | 0.0157*** | -3.6 | 0.000028 | -0.01 | 0.0107* | -2.4 | -0.00460* | -2.26 |
2007 # Age at baseline | 0.0175*** | -3.43 | -0.000538 | -0.22 | 0.0138** | -2.96 | -0.00224 | -1.12 | 0.00842 | -1.78 | -0.00760*** | -3.77 |
2008 # Age at baseline | 0.0157** | -2.83 | 0.00281 | -1.16 | 0.0107* | -2.07 | -0.000687 | -0.34 | 0.0045 | -0.86 | -0.00518* | -2.49 |
2009 # Age at baseline | 0.0170** | -2.89 | 0.00357 | -1.44 | 0.0128* | -2.33 | -0.00128 | -0.63 | 0.00498 | -0.89 | -0.00694*** | -3.37 |
2010 # Age at baseline | 0.0198** | -3.12 | 0.00625* | -2.48 | 0.0145* | -2.41 | -0.00153 | -0.75 | 0.00622 | -1.02 | -0.00765*** | -3.68 |
2011 # Age at baseline | 0.0161* | -2.37 | 0.00374 | -1.46 | 0.00892 | -1.35 | -0.00219 | -1.07 | -0.000527 | -0.08 | -0.00915*** | -4.36 |
Survival status | ||||||||||||
Death in same calendar year | 1.490*** | -10.27 | 2.562*** | -89.94 | 1.154*** | -7.62 | 2.304*** | -71.74 | ||||
Death in next calendar year | 0.830*** | -7.52 | 1.704*** | -55.97 | 0.477*** | -4.26 | 1.516*** | -46.82 | ||||
Survivor | Ref. | Ref. | ||||||||||
Int. survival status # age at baseline | ||||||||||||
Death in same calendar year # Age at baseline | -0.00624 | -0.66 | -0.0560*** | -37.21 | -0.00807 | -0.84 | -0.0452*** | -27 | ||||
Death in next calendar year # Age at baseline | 0.0108 | -1.49 | -0.0463*** | -34.1 | 0.0101 | -1.37 | -0.0400*** | -25.95 | ||||
Int. calendar year # survival status | ||||||||||||
1998 # Death in same calendar year | 0.24 | -1.25 | -0.0431 | -1.21 | 0.225 | -1.16 | -0.035 | -0.87 | ||||
1998 # Death in next calendar year | 0.0686 | -0.48 | -0.0212 | -0.51 | 0.0634 | -0.44 | -0.0215 | -0.5 | ||||
1999 # Death in same calendar year | 0.0198 | -0.1 | -0.0682 | -1.91 | -0.0202 | -0.11 | -0.0662 | -1.74 | ||||
1999 # Death in next calendar year | -0.264 | -1.93 | -0.0658 | -1.66 | -0.291* | -2.09 | -0.0393 | -0.94 | ||||
2000 # Death in same calendar year | 0.0206 | -0.1 | -0.140*** | -4.02 | -0.0131 | -0.07 | -0.122** | -3.27 | ||||
2000 # Death in next calendar year | 0.029 | -0.19 | -0.0541 | -1.44 | -0.0419 | -0.28 | -0.106** | -2.69 | ||||
2001 # Death in same calendar year | -0.0107 | -0.05 | -0.158*** | -4.61 | -0.119 | -0.6 | -0.192*** | -5.1 | ||||
2001 # Death in next calendar year | 0.0993 | -0.64 | -0.137*** | -3.61 | 0.0289 | -0.18 | -0.193*** | -4.95 | ||||
2002 # Death in same calendar year | 0.214 | -1.07 | -0.0730* | -2.12 | 0.0921 | -0.46 | -0.0944* | -2.44 | ||||
2002 # Death in next calendar year | -0.19 | -1.4 | -0.242*** | -6.23 | -0.242 | -1.74 | -0.289*** | -6.94 | ||||
2003 # Death in same calendar year | 0.0375 | -0.18 | -0.332*** | -9.23 | 0.0281 | -0.13 | -0.296*** | -7.81 | ||||
2003 # Death in next calendar year | 0.0587 | -0.37 | -0.224*** | -6.09 | 0.0712 | -0.44 | -0.244*** | -6.31 | ||||
2004 # Death in same calendar year | 0.143 | -0.64 | -0.341*** | -10.55 | -0.0105 | -0.05 | -0.348*** | -9.35 | ||||
2004 # Death in next calendar year | -0.158 | -1.02 | -0.270*** | -7.62 | -0.217 | -1.38 | -0.312*** | -8.22 | ||||
2005 # Death in same calendar year | -0.169 | -0.82 | -0.331*** | -9.83 | -0.323 | -1.56 | -0.324*** | -8.47 | ||||
2005 # Death in next calendar year | -0.00632 | -0.04 | -0.274*** | -7.59 | -0.0598 | -0.36 | -0.307*** | -7.87 | ||||
2006 # Death in same calendar year | 0.18 | -0.77 | -0.361*** | -10.67 | 0.0315 | -0.13 | -0.350*** | -9.09 | ||||
2006 # Death in next calendar year | -0.0632 | -0.38 | -0.311*** | -8.77 | -0.157 | -0.94 | -0.339*** | -8.94 | ||||
2007 # Death in same calendar year | 0.00000638 | 0 | -0.418*** | -12.94 | -0.151 | -0.66 | -0.382*** | -10.43 | ||||
2007 # Death in next calendar year | -0.208 | -1.3 | -0.321*** | -9.24 | -0.283 | -1.74 | -0.347*** | -9.22 | ||||
2008 # Death in same calendar year | -0.164 | -0.74 | -0.484*** | -14.83 | -0.337 | -1.51 | -0.477*** | -12.93 | ||||
2008 # Death in next calendar year | -0.0271 | -0.15 | -0.339*** | -9.86 | -0.133 | -0.75 | -0.372*** | -10.02 | ||||
2009 # Death in same calendar year | -0.879*** | -4.77 | -0.335*** | -7.86 | -1.061*** | -5.68 | -0.329*** | -6.87 | ||||
2009 # Death in next calendar year | -0.0265 | -0.15 | -0.407*** | -12.04 | -0.116 | -0.64 | -0.413*** | -11.41 | ||||
2010 # Death in same calendar year | -0.745*** | -3.83 | -0.427*** | -12.98 | -0.919*** | -4.66 | -0.386*** | -10.32 | ||||
2010 # Death in next calendar year | 0.0311 | -0.17 | -0.454*** | -13.67 | -0.0672 | -0.36 | -0.466*** | -13.14 | ||||
2011 # Death in same calendar year | -0.610** | -3.01 | -0.469*** | -13.9 | -0.763*** | -3.74 | -0.422*** | -10.82 | ||||
2011 # Death in next calendar year | 0.167 | -0.84 | -0.488*** | -14.76 | 0.0776 | -0.39 | -0.486*** | -13.64 | ||||
Morbidity indicators yes/no | ||||||||||||
Hospitalization in prior year | 1.491*** | -47.65 | 0.651*** | -74.7 | ||||||||
Hospitalization in prior year # Age at Baseline | 0.0110* | -2.48 | -0.00777*** | -7.65 | ||||||||
High outpatient drug expenditures in prior year | 4.086*** | -33.7 | 0.893*** | -131.66 | ||||||||
Nursing home stay in prior year | 3.090*** | -26.93 | 0.841*** | -125.92 | ||||||||
Int. hospitalization # survival status | ||||||||||||
Hospitalization in prior year # Death in same calendar year | -0.870*** | -9.12 | -0.250*** | -16.96 | ||||||||
Hospitalization in prior year # Death in next calendar year | 0.653*** | -4.36 | -0.214*** | -16.59 | ||||||||
Constant | 1.460*** | -80.67 | 5.983*** | -435.25 | 1.433*** | -57.82 | 5.772*** | -367.05 | 1.272*** | -51.26 | 5.543*** | -383.59 |