Relationship between the degree of property damage and changes in red blood cells, hematocrit, and hemoglobin among victims of the Noto Peninsula Earthquake

Omote, Shizuko; Kato, Miho; Kido, Teruhiko; Okamoto, Rie; Ichimori, Akie; Sakakibara, Chiaki; Tsukasaki, Keiko

doi:10.1007/s12199-012-0305-7

Environmental Health and Preventive Medicine

Table 4 Changes in red blood cells from basic health screenings before and after the earthquake sorted by gender, age, BMI, and level of damage experienced

From: Relationship between the degree of property damage and changes in red blood cells, hematocrit, and hemoglobin among victims of the Noto Peninsula Earthquake

Level of damage	Age			RBC
	Age			FY2006		FY2007			FY 2007/2006
	M	SD	n	M	SD	M	SD	p ^a	M	SD	p ^b	Combination of two groups	p ^c
Male (n = 1,911)
Younger than 65 years
BMI ratio ≥1^e
1. Total damage^d	56.4	9.6	5	516.8	14.0	513.0	18.2	0.699	0.993	0.040		1:2
2. Half damage	56.0	6.7	14	460.6	34.5	456.9	38.3	0.376	0.992	0.033	0.919	1:3
3. Partial damage	57.0	5.8	198	470.3	41.5	468.4	41.2	0.276	0.997	0.055		2:3
Average	56.9	6.0	217	470.8	41.3	468.7	41.2	0.205	0.997	0.054
BMI ratio <1^e
1. Total damage^d	57.1	5.9	20	463.8	40.6	458.9	44.1	0.449	0.991	0.063		1:2
2. Half damage	57.7	5.9	9	483.6	40.9	467.4	42.2	0.196	0.969	0.072	0.628	1:3
3. Partial damage	57.1	5.9	165	467.0	43.8	460.4	46.5	0.002**	0.987	0.057		2:3
Average	57.1	5.8	194	467.4	43.3	460.6	45.9	<0.001**	0.986	0.058
Average	57.0	5.9	411	469.2	42.2	464.9	43.6	<0.001**	0.992	0.056
Between 65 and 74 years
BMI ratio ≥ 1
1. Total damage^d	68.0	1.9	9	446.6	30.7	435.4	32.7	0.078	0.975	0.036		1:2
2. Half damage	70.4	2.6	25	445.5	63.9	435.4	65.9	0.013*	0.977	0.048	0.108	1:3
3. Partial damage	69.9	2.8	323	447.3	42.9	446.7	43.1	0.660	1.000	0.064		2:3
Average	69.9	2.8	357	447.2	44.3	445.6	44.8	0.260	0.998	0.063
BMI ratio <1^e
1. Total damage^d	70.5	3.0	20	439.5	39.1	435.0	30.9	0.367	0.992	0.049		1:2
2. Half damage	70.0	2.3	26	441.7	32.3	446.2	39.9	0.401	1.011	0.062	0.268	1:3
3. Partial damage	70.2	2.8	293	449.4	51.1	443.8	50.7	0.002**	0.989	0.065		2:3
Average	70.2	2.8	339	448.2	49.2	443.4	49.0	0.003**	0.991	0.064
Average	70.0	2.8	696	447.7	46.7	444.5	46.9	0.003**	0.995	0.063
75 years or older
BMI ratio ≥1^e
1. Total damage^d	79.7	3.7	23	423.8	44.5	414.3	46.5	0.224	0.980	0.080		1:2
2. Half damage	80.9	4.9	35	411.2	48.3	402.9	49.4	0.120	0.982	0.075	0.637	1:3
3. Partial damage	80.1	4.2	325	427.9	52.6	423.1	54.2	0.001**	0.990	0.062		2:3
Average	80.1	4.2	383	426.1	51.9	420.7	53.6	<0.001**	0.989	0.065
BMI ratio <1^e
1. Total damage^d	79.6	3.6	28	426.6	47.8	413.0	47.3	0.068	0.972	0.091		1:2
2. Half damage	79.9	4.3	36	410.9	52.0	401.4	47.3	0.019*	0.980	0.060	0.293	1:3
3. Partial damage	80.5	4.5	357	419.3	43.9	414.8	49.0	0.002**	0.990	0.064		2:3
Average	80.4	4.4	421	419.0	44.9	413.5	48.8	<0.001**	0.988	0.066
Average	80.2	4.3	804	422.4	48.5	416.9	51.2	<0.001**	0.988	0.065
Average	71.5	9.8	1,911	441.7	50.0	437.3	51.6	<0.001**	0.991	0.063
Female (n = 3,652)
Younger than 65 years
BMI ratio ≥ 1^e
1. Total damaged	56.4	8.2	28	427.7	39.0	426.7	41.3	0.819	0.999	0.056		1:2
2. Half damage	52.7	9.7	31	434.2	31.6	430.0	39.1	0.321	0.990	0.054	0.792	1:3
3. Partial damage	54.5	8.8	481	432.1	34.9	430.3	37.6	0.091	0.997	0.053		2:3
Average	54.5	8.8	540	432.0	34.9	430.1	37.8	0.0584	0.996	0.053
BMI ratio <1^e
1. Total damaged	55.8	7.3	33	426.3	34.3	425.8	37.5	0.911	1.000	0.055		1:2
2. Half damage	59.8	5.0	23	440.1	38.0	429.5	49.1	0.054	0.975	0.057	0.136	1:3
3. Partial damage	55.0	9.0	394	433.5	33.3	431.4	33.5	0.065	0.996	0.052		2:3
Average	55.3	8.8	450	433.3	33.7	430.9	34.7	0.025*	0.996	0.052
Average	54.9	8.8	990	432.6	34.3	430.5	36.4	0.004**	0.996	0.053
Between 65 and 74 years
BMI ratio ≥1^e
1. Total damage^d	71.1	2.8	34	406.1	39.4	398.1	44.3	0.022*	0.980	0.048		1:2
2. Half damage	70.6	2.7	55	406.1	39.4	399.7	46.1	0.153	0.990	0.056	0.250	1:3
3. Partial damage	69.8	2.9	623	413.3	33.5	410.5	36.7	0.001**	0.994	0.051		2:3
Average	69.9	2.9	712	412.2	34.6	409.1	38.0	<0.001**	0.993	0.051
BMI ratio <1^e
1. Total damage^d	70.3	3.1	38	422.2	34.2	407.2	36.3	<0.001**	0.965	0.050		1:2	0.267
2. Half damage	70.1	3.0	68	413.7	35.6	406.3	37.2	0.016*	0.983	0.058	0.011*	1:3	0.013*
3. Partial damage	70.1	2.9	553	414.8	39.7	411.1	40.5	<0.001**	0.993	0.058		2:3	0.415
Average	70.1	2.9	659	415.1	39.0	410.4	39.9	<0.001**	0.990	0.058
Average	70.0	2.9	1,371	413.6	36.79	409.7	38.91	<0.001**	0.992	0.054
75 years or older
BMI ratio ≥1^e
1. Total damage^d	80.1	4.6	39	388.7	36.1	380.8	31.2	0.034*	0.982	0.056		1:2
2. Half damage	79.6	4.6	59	388.3	40.7	380.4	45.3	0.017*	0.980	0.065	0.483	1:3
3. Partial damage	79.8	4.1	536	395.1	43.7	390.0	44.5	<0.001**	0.989	0.057		2:3
Average	79.8	4.2	634	394.0	43.0	388.5	43.9	<0.001**	0.987	0.058
BMI ratio <1^e
1. Total damage^d	80.3	3.8	51	401.6	42.7	390.9	40.6	0.001**	0.975	0.050		1:2
2. Half damage	80.0	4.0	63	396.3	34.5	394.6	40.3	0.668	0.997	0.077	0.193	1:3
3. Partial damage	80.0	4.0	543	397.5	43.1	391.1	45.1	<0.001**	0.985	0.067		2:3
Average	80.0	4.0	657	397.7	42.3	391.4	44.2	<0.001**	0.986	0.067
Average	79.9	4.1	1,291	395.9	42.68	390	44.1	<0.001**	0.987	0.063
Average	69.4	11.3	3,652	412.5	41.0	408.4	43.2	<0.001**	0.991	0.057

* p < 0.05, ** p < 0.01
M mean, SD standard deviation
^aCorresponding t-test for health screenings in FY 2006 and 2007
^bOne-way analysis of variance by the ratio of FY 2007 to FY 2006
^cMultiple comparison by the ratio of FY 2007 to FY 2006
^d“Total damage” includes “near total damage”
^eBMI FY2007/2006

Back to article page

ISSN: 1347-4715

Contact us

General enquiries: info@biomedcentral.com