Effects of the 2018 Japan Floods on long-term care insurance costs in Japan: retrospective cohort study

BMC Public Health

Table 1 Demographic Characteristics

	Victims of the disaster		Non-victims of the disaster		p value
	n = 3024	1.1%	n = 276,554	98.9%	p value
Age, no. (%)
under 65	59	2.0	5696	2.1	0.02*
65–74	314	10.4	26,908	9.7
75–84	1012	33.5	86,869	31.4
over 85	1639	54.2	157,081	56.8
Gender, no. (%)
Male	897	29.7	77,738	28.1	0.075*
Female	2073	68.6	192,987	69.8	0.075*
Missing⁺	54	1.8	5829	2.1
Level of long-term care need, no. (%)
Support need level 1‡	299	9.9	21,555	7.8	< 0.001†
Support need level 2	398	13.2	28,387	10.3
Care need level 1	727	24.0	61,979	22.4
Care need level 2	584	19.3	54,551	19.7
Care need level 3	398	13.2	42,414	15.3
Care need level 4	342	11.3	37,282	13.5
Care need level 5	276	9.1	30,285	11.0
Change in the level of long-term care need at December, no. (%)
Increased	376	12.4	29,074	10.5	< 0.001*
Unchanged (without re-certification)	2047 (1881)	67.7 (62.2)	202,166 (155,845)	73.1 (56.4)
Decreased	174	5.8	12,647	4.6
Missing§	427	14.1	32,667	11.8
Facility residents, no (%)	672	22.2	83,795	30.3	< 0.001*
Facility transfer, no (%)	247	36.7	3028	3.6	< 0.001*
Existence of a total disused month of LTCI service, no (%)
All period	808	26.7	44,181	16.0	< 0.001*
Month
1–3	502	16.6	24,940	9.0	< 0.001*
4–6	564	18.7	37,217	13.5	< 0.001*
Cost of per month, mean (SD)
Home residents	1029	1029	1002	832	< 0.001†
Facility residents	2404	1219	2115	850	< 0.001†
Mean of LTCI service utilizations among home residents per month, no (%)
Home-based service	1399	59.5	137,956	71.6	< 0.001*
Short-stay service	288	12.3	21,906	11.4	< 0.001*
Facility service	165	7.0	4513	2.3	< 0.001*

ISSN: 1471-2458