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 6 Changes in hematocrit 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			Ht
	Age			FY2006		FY2007			FY2007/2006			Combination of two groups	p ^c
	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	47.5	2.7	47.1	1.9	0.762	0.994	0.047		1:2
2. Half damage	56.0	6.7	14	43.9	2.5	43.5	2.7	0.382	0.992	0.033	0.978	1:3
3. Partial damage	57.0	5.8	198	44.5	3.4	43.9	3.2	0.003**	0.990	0.055		2:3
Average	56.9	6.0	217	44.5	3.3	44.0	3.2	0.002**	0.991	0.054
BMI ratio <1^e
1. Total damage^d	57.1	5.9	20	44.2	3.6	43.9	3.8	0.607	0.994	0.068		1:2
2. Half damage	57.7	5.9	9	45.6	4.4	44.3	4.2	0.225	0.973	0.070	0.643	1:3
3. Partial damage	57.1	5.9	165	44.6	3.5	43.9	3.6	<0.001**	0.985	0.054		2:3
Average	57.1	5.8	194	44.6	3.5	43.9	3.6	<0.001**	0.985	0.057
Average	57.0	5.9	411	44.5	3.4	43.9	3.4	<0.001**	0.988	0.055
Between 65 and 74 years
BMI ratio ≥1^e
1. Total damage^d	68.0	1.9	9	44.1	2.7	42.6	3.3	0.015*	0.965	0.034		1:2	0.859
2. Half damage	70.4	2.6	25	42.6	5.4	40.4	7.6	0.087	0.950	0.139	0.004**	1:3	0.387
3. Partial damage	69.9	2.8	323	42.9	3.8	42.7	3.8	0.099	0.996	0.063		2:3	0.005**
Average	69.9	2.8	357	42.9	3.9	42.5	4.2	0.011*	0.992	0.071
BMI ratio <1^e
1. Total damage^d	70.5	3.0	20	41.2	3.5	41.1	2.7	0.936	1.002	0.053		1:2	0.581
2. Half damage	70.0	2.3	26	41.7	4.0	42.4	3.7	0.190	1.021	0.074	0.027*	1:3	0.576
3. Partial damage	70.2	2.8	293	43.2	4.4	42.5	4.3	<0.001**	0.987	0.066		2:3	0.028*
Average	70.2	2.8	339	42.9	4.3	42.4	4.2	0.001**	0.990	0.066
Average	70.0	2.8	696	42.9	4.1	42.5	4.2	<0.001**	0.991	0.069
75 years or older
BMI ratio ≥1^e
1. Total damaged	79.7	3.7	23	40.3	3.5	39.6	4.0	0.171	0.982	0.059		1:2
2. Half damage	80.9	4.9	35	39.5	3.9	38.9	4.1	0.262	0.988	0.075	0.936	1:3
3. Partial damage	80.1	4.2	325	41.2	4.9	40.5	5.0	<0.001**	0.984	0.066		2:3
Average	80.1	4.2	383	41.0	4.7	40.3	4.9	<0.001**	0.984	0.066
BMI ratio <1^e
1. Total damage^d	79.6	3.6	28	40.9	4.6	39.4	4.2	0.036*	0.966	0.100		1:2
2. Half damage	79.9	4.3	36	39.4	4.5	39.1	4.2	0.677	1.000	0.131	0.182	1:3
3. Partial damage	80.5	4.5	357	40.3	3.9	39.8	4.2	<0.001**	0.988	0.062		2:3
Average	80.4	4.4	421	40.3	4.0	39.7	4.2	<0.001**	0.988	0.074
Average	80.2	4.3	804	40.6	4.4	40.0	4.5	<0.001**	0.986	0.070
Average	71.5	9.8	1,911	42.3	4.4	41.7	4.5	<0.001**	0.988	0.067
Female (n = 3,652)
Younger than 65 years
BMI ratio ≥1^e
1. Total damage^d	56.4	8.2	28	39.0	4.0	38.9	3.9	0.937	1.001	0.065		1:2
2. Half damage	52.7	9.7	31	39.8	3.3	39.1	3.4	0.050	0.983	0.050	0.508	1:3
3. Partial damage	54.5	8.8	481	39.8	3.1	39.4	3.2	<0.001**	0.992	0.061		2:3
Average	54.5	8.8	540	39.8	3.1	39.4	3.3	<0.001**	0.992	0.061
BMI ratio <1^e
1. Total damage^d	55.8	7.3	33	38.9	3.5	39.5	2.4	0.317	1.022	0.104		1:2	0.041*
2. Half damage	59.8	5.0	23	40.6	3.7	40.0	4.6	0.187	0.983	0.056	0.016*	1:3	0.019*
3. Partial damage	55.0	9.0	394	39.9	3.1	39.5	2.8	0.001**	0.993	0.053		2:3	0.711
Average	55.3	8.8	450	39.9	3.2	39.6	2.9	0.005**	0.995	0.059
Average	54.9	8.8	990	39.8	3.2	39.5	3.1	<0.001**	0.993	0.060
Between 65 and 74 years
BMI ratio ≥1^e
1. Total damage^d	71.1	2.8	34	37.9	3.5	37.6	3.8	0.303	0.992	0.046		1:2
2. Half damage	70.6	2.7	55	37.9	4.1	37.4	4.1	0.076	0.989	0.052	0.942	1:3
3. Partial damage	69.8	2.9	623	38.7	3.0	38.3	3.3	<0.001**	0.991	0.058		2:3
Average	69.9	2.9	712	38.6	3.1	38.2	3.4	<0.001**	0.991	0.057
BMI ratio <1^e
1. Total damage^d	70.3	3.1	38	38.9	3.7	38.0	3.7	0.009**	0.978	0.050		1:2
2. Half damage	70.1	3.0	68	38.6	3.1	38.2	3.2	0.108	0.990	0.060	0.384	1:3
3. Partial damage	70.1	2.9	553	38.7	3.4	38.3	3.4	<0.001**	0.993	0.064		2:3
Average	70.1	2.9	659	38.7	3.4	38.3	3.4	<0.001**	0.991	0.063
Average	70.0	2.9	1,371	38.7	3.2	38.3	3.4	<0.001**	0.991	0.060
75 years or older
BMI ratio ≥1^e
1. Total damage^d	80.1	4.6	39	36.9	3.2	36.1	2.9	0.013*	0.981	0.050		1:2
2. Half damage	79.6	4.6	59	36.2	3.3	35.6	3.9	0.043	0.983	0.066	0.961	1:3
3. Partial damage	79.8	4.1	536	37.3	3.8	36.7	3.9	<0.001**	0.983	0.060		2:3
Average	79.8	4.2	634	37.2	3.8	36.5	3.8	<0.001**	0.983	0.060
BMI ratio <1^e
1. Total damage^d	80.3	3.8	51	37.5	3.7	36.9	3.0	0.067	0.988	0.064		1:2	0.263
2. Half damage	80.0	4.0	63	36.9	3.6	37.1	3.7	0.634	1.010	0.100	0.051	1:3	0.976
3. Partial damage	80.0	4.0	543	37.4	3.8	36.8	3.8	<0.001**	0.986	0.069		2:3	0.039*
Average	80.0	4.0	657	37.4	3.7	36.8	3.8	<0.001**	0.989	0.073
Average	79.9	4.1	1,291	37.3	3.7	36.7	3.8	<0.001**	0.986	0.067
Average	69.4	11.3	3,652	38.5	3.5	38.0	3.6	<0.001**	0.990	0.062

* 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

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