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. 2016 Aug 24;16(1):436. doi: 10.1186/s12913-016-1638-5

Table 3.

Independent variables in the equation of the three indexes and the estimation value of OR

Variable Elderly hospitalization Elderly leaving against medical advice Elderly hospital avoidance
cOR (95 %.CI) aOR (95 %.CI) cOR (95 %.CI) aOR (95 %.CI) cOR (95 %.CI) aOR (95 %.CI)
Per-capita financial level for NCMS a
 Level II (2006) 0.955 (0.384, 2.315) 0.967 (0.359, 2.610) - - 0.653 (0.089, 4.783) 0.648 (0.052,8.076)
 Level III (2008) 1.457 (0.956, 2.222) 1.456 (0.847, 2.504) 0.325 (0.080, 1.316) 0.229 (0.033, 1.607) 0.646 (0.059, 7.105) 0.495 (0.021, 11.912)
 Level IV (2010) 1.641 (0.844, 3.190 1.550 (0.754, 3.185) 0.538 (0.091, 3.194) 0.413 (0.144, 1.185) 0.205 (0.039, 1.081) 0.205 (0.020, 2.139)
 Level V (2012) 2.276 (1.452, 3.567) ** 2.295 (1.401, 3.759) ** 0.093 (0.022, 0.389) ** 0.099 (0.033, 0.293) ** 0.100 (0.006, 1.712) 0.073 (0.003, 1.984)
 Level VI (2014) 3.219 (1.187, 8.732) * 3.045 (1.183, 7.834) * 0.370 (0.115, 1.188) 0.407 (0.102, 1.618) 0.162 (0.047, 0.556) * 0.143 (0.024, 0.875) *
Sex
 Male 0.995 (0.795, 1.246) 0.900 (0.695, 1.165) 0.610 (0.134, 2.772) 1.762 (0.486, 6.391) 0.841 (0.656, 1.078) 1.269 (0.876, 1.837)
Age
 75~ 1.250 (0.685, 2.282) 1.438 (0.690, 2.996) 2.853 (1.265, 6.434) * 0.390 (0.142, 1.070) 1.220 (0.498, 2.986) 1.295 (0.610, 2.751)
 85~ 0.699 (0.501, 0.975) * 0.802 (0.396, 1.621) 0.731 (0.201, 2.662) 1.422 (0.280, 7.224) 2.205 (0.465, 10.475) 2.555 (0.720, 9.072)
Occupation
 No-farmer 1.149 (0.445, 2.967) 0.979 (0.391, 2.450) 0.546 (0.123, 2.429) 0.743 (0.052, 10.696) 0.201 (0.019, 2.169) 0.208 (0.015, 1.872)
Educational level
 Elementary school 1.135 (0.829, 1.555) 1.019 (0.849, 1.222) 0.806 (0.444, 1.463) 1.357 (0.421, 4.372) 0.700 (0.424, 1.155) 1.300 (0.809, 2.092)
 Middle school and above 1.232 (0.858, 1.769) 0.990 (0.716, 1.368) 1.617 (0.209, 12.487) 1.684 (0.545, 5.204) 0.813 (0.285, 2.318) 1.620 (0.735, 3.574)
Marital status
 Unmarried/divorced/widowed 0.699 (0.509, 0.961) * 0.662 (0.419, 1.044) 0.763 (0.267, 2.182) 0.832 (0.218, 3.181) 2.568 (0.603, 10.940) 2.946 (0.762, 11.383)
Labor force (yes) 1.249 (0.962, 1.622) 1.051 (0.697, 1.584) 0.462 (0.166, 1.285) 0.388 (0.110, 1.375) 0.929 (0.295, 2.919) 0.876 (0.405, 1.895)
Chronic disease (yes) 2.069 (1.355, 3.159) ** 2.089 (1.450, 3.011) ** 2.477 (0.607, 10.109) 2.433 (0.542, 10.931) 4.213 (2.007, 8.842) ** 5.759 (2.943, 11.268) **
Per-capita income per year b
 Group II 0.960 (0.654, 1.407) 1.155 (0.638, 2.091) 1.349 (0.300, 9.109) 2.516 (0.805, 7.862) 1.016 (0.454, 2.273) 1.187 (0.358, 3.940)
 Group III 1.059 (0.724, 1.548) 1.089 (0.796, 1.489) 1.812 (0.158, 20.834) 1.920 (0.352, 10.485) 0.428 (0.176, 1.040) 0.762 (0.213, 2.725)
 Group IV 1.365 (0.889, 2.098) 1.033 (0. 695, 1.536) 3.077 (0. 637, 14.869) 6.887 (2.035, 23.303)* 0.600 (0.354, 1.016) 0.932 (0.235, 3.694)
 Group V 1.502 (0.709, 3.186) 1.103 (0.640, 1.900) 3.282 (0.273, 39.525) 2.206 (0.219, 22.238) 0.323 (0.147, 0.708)* 0.464 (0.115, 1.877)

a The survey of leaving against medical advice started in 2006

b The per capita income per year was inflated to the year of 2014 using rural consumer price index and divided into five groups when sorted from low to high (V is the highest)

** p < 0.01, * p < 0.05