Table 5.

The mean body weight of residents aged-7-15 years old who had lived in the evacuation zone in 2011 and 2012.

Age (years)	male					female
	2011		2012		(b)-(a)	2011		2012		(b)-(a)
	n	means (kg) (a)	n	means (kg) (b)		n	means (kg) (a)	n	means (kg) (b)
6	584	22.1	383	21.5	△0.6	533	21.7	391	21.1	△0.6
7	632	24.8	459	24.8	0.0	611	24.1	401	24.0	△0.1
8	692	28.4	424	28.0	△0.4	623	27.4	381	27.2	△0.2
9	633	32.6	460	32.2	△0.4	652	31.0	424	31.3	0.3
10	682	36.0	433	35.9	△0.1	675	35.7	438	34.8	△0.9
11	721	40.5	488	40.7	0.2	641	40.5	440	40.7	0.2
12	662	46.9	438	45.4	△1.5	641	45.8	389	44.0	△1.8
13	568	51.2	386	51.5	0.3	645	48.5	400	47.4	△1.1
14	621	56.1	327	56.1	0.0	610	51.8	357	50.7	△1.1
15	512	60.0	223	58.7	△1.3	563	53.5	225	51.7	△1.8