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. 2018 Nov 12;13(11):e0206508. doi: 10.1371/journal.pone.0206508

Table 3. Parameters related to estimating LTC cost and informal care cost.

home care service*1 care needed level monthly number of LTC service (home care) users(thousand) probability of people with dementia*2 monthly number of the users with dementia (thousand) average cost (JPY thousand) Relative Ratio (RR) of LTC cost with the dementia against without dementia (ln(RR))*3 informal care time (hrs/week)*4
home-based services home-based support small-scale local services ADL IADL ADL+IADL SV
mean se ln(RR) se ln(RR) se ln(RR) se mean se mean se mean se mean se
1 480 0.193 0.004 93 30 0.339 0.046 0.331 0.017 0.031 0.162 2.39 0.032 7.80 0.023 10.19 0.050 13.50 0.066
2 584 0.153 0.002 90 50 0.339 0.046 0.331 0.017 0.031 0.162 11.11 0.035 10.70 0.025 21.81 0.056 25.37 0.068
3 840 0.459 0.002 386 103 0.339 0.046 0.331 0.017 0.031 0.162 6.55 0.033 12.37 0.024 18.92 0.053 22.96 0.068
4 799 0.444 0.002 355 136 0.339 0.046 0.331 0.017 0.031 0.162 9.71 0.036 12.63 0.025 22.34 0.056 27.63 0.070
5 494 0.554 0.002 273 206 0.339 0.046 0.331 0.017 0.031 0.162 14.37 0.038 12.45 0.026 26.82 0.059 28.19 0.073
6 351 0.638 0.002 224 242 0.339 0.046 0.331 0.017 0.031 0.162 19.19 0.038 14.17 0.027 33.35 0.060 31.56 0.072
7 240 0.799 0.002 192 287 0.339 0.046 0.331 0.017 0.031 0.162 23.66 0.039 14.51 0.027 38.16 0.062 31.35 0.071
total 3,788 0.425 0.001 1,612 131             12.38 0.036 12.59 0.026 24.97 0.057 26.66 0.070
institutional care services*5 care needed level monthly number of LTC service (institutional care) users(thousand) probability of people with dementia*2 monthly number of the users with dementia (thousand) average cost (JPY thousand) Relative Ratio (RR) of LTC cost with the dementia against without dementia (ln(RR))*3  
instituional care  
mean se ln(RR) se                        
1 n/a n/a n/a n/a n/a n/a n/a                        
2 n/a n/a n/a n/a n/a n/a n/a                        
3 52 0.731 0.002 38 245 0.016 0.075                        
4 108 0.798 0.001 86 261 0.016 0.075                        
5 194 0.892 0.001 173 279 0.016 0.075                        
6 280 0.937 0.000 263 301 0.016 0.075                        
7 274 0.974 0.000 267 325 0.016 0.075  
total 908 0.910 0.000 826 296      

*1 home care services include home-based services, home-based support, small-scale local services.

*2 Beta distribution is assumed

*3 Lognormal distribution is assumed

*4 Gamma distribution is assumed

*5 Institutional care services are available only for those categorized in nursing care level (i.e. care needed level 3 and over)

Abbreviation: n/a: not applicable