Table 4

Number, average (95% CI) and P value for ΔBMI SDS in Fukushima Prefecture

ΔBMI SDS	Birth to 3–4 M			3–4 M to 6–10 M			18 M to 36–42 M
	n	Average (95% CI)	P value	n	Average (95% CI)	P value	n	Average (95% CI)	P value
All boys
Control group	1414	0.329 (0.261 to 0.397)		1645	0.086 (0.046 to 0.126)	0.001	1645	0.028 (−0.006 to −0.062)
Group I	836	0.284 (0.200 to 0.368)	0.415	1061	0.189 (0.145 to 0.233)		1061	0.234 (0.192 to 0.276)	< 0.001
Group II	1174	0.255 (0.183 to 0.327)	0.144	1478	0.079 (0.380 to 0.120)	0.808	1478	0.106 (0.071 to 0.141)	0.002
Group IV	1492	0.224 (0.157 to 0.291)	0.031	1911	0.112 (0.078 to 0.146)	0.330	1911	0.070 (0.039 to 0.101)	0.071
All girls
Control group	1333	0.212 (0.143 to 0.281)		1561	0.200 (0.162 to 0.238)		1561	−0.072 (−0.109 to −0.035)
Group I	843	0.273 (0.184 to 0.362)	0.285	1053	0.198 (0.150 to 0.246)	0.929	1053	0.146 (0.108 to 0.184)	< 0.001
Group II	1121	0.285 (0.211 to 0.359)	0.157	1410	0.130 (0.089 to 0.171)	0.013	1410	−0.009 (−0.042 to 0.024)	0.013
Group IV	1436	0.287 (0.222 to 0.352)	0.123	1889	0.174 (0.139 to 0.209)	0.310	1889	−0.013 (−0.043 to 0.017)	0.013
Hamadori boys
Control group	477	0.371 (0.249 to 0.493)		477	−0.047 (−0.124 to 0.030)		477	0.008 (−0.052 to −0.068)
Group I	351	0.305 (0.178 to 0.432)	0.472	351	0.159 (0.085 to 0.233)	<0.001	351	0.396 (0.319 to 0.473)	< 0.001
Group II	460	0.305 (0.191 to 0.419)	0.440	460	−0.049 (−0.119 to 0.021)	0.972	460	0.224 (0.163 to 0.285)	< 0.001
Group IV	573	0.262 (0.157 to 0.367)	0.180	573	0.053 (−0.007 to 0.113)	0.042	573	0.075 (0.015 to 0.135)	0.127
Hamadori girls
Control group	392	0.250 (0.115 to 0.385)		392	0.001 (−0.078 to 0.080)		392	−0.127 (−0.206 to −0.048)
Group I	328	0.287(0.144 to 0.430)	0.713	328	0.121 (0.041 to 0.201)	0.039	328	0.275 (0.208 to 0.342)	< 0.001
Group II	420	0.442 (0.325 to 0.559)	0.034	420	−0.026 (−0.098 to 0.046)	0.625	420	0.083 (0.019 to 0.148)	< 0.001
Group IV	558	0.355 (0.248 to 0.462)	0.229	558	0.135 (0.074 to 0.196)	^* 0.008	558	0.015 (−0.043 to 0.073)	0.004
Nakadori boys
Control group	732	0.383 (0.290 to 0.476)		963	0.137 (0.085 to 0.189)		963	0.054 (0.008 to 0.100)
Group I	330	0.285 (0.146 to 0.424)	0.252	555	0.189 (0.125 to 0.253)	0.23 4	555	0.178 (0.123 to 0.233)	0.001
Group II	505	0.299 (0.185 to 0.413)	0.262	809	0.104 (0.048 to 0.160)	0.394	809	0.062 (0.014 to 0.110)	0.082
Group IV	688	0.276 (0.175 to 0.377)	0.127	1107	0.106 (0.061 to 0.151)	0.374	1107	0.081 (0.041 to 0.121)	0.384
Nakadori girls
Control group	730	0.284 (0.193 to 0.375)		958	0.267 (0.220 to 0.314)		958	−0.041 (−0.086 to 0.004)
Group I	371	0.392 (0.199 to 0.459)	0.570	581	0.200 (0.134 to 0.266)	0.090	581	0.114 (0.062 to 0.166)	< 0.001
Group II	508	0.291 (0.178 to 0.404)	0.926	797	0.169 (0.115 to 0.223)	0.006	797	−0.030 (−0.074 to 0.014)	0.726
Group IV	680	0.297 (0.203 to 0.391)	0.840	1133	0.117 (0.132 to 0.222)	*^0.007**	1133	−0.018 (−0.056 to 0.020)	0.435
Aizu boys
Control group	205	0.041 (−0.137 to 0.219)		205	0.157 (0.049 to 0.265)		205	−0.050 (0.006 to −0.006)
Group I	155	0.230 (0.043 to 0.417)	0.154	155	0.261 (0.152 to 0.370)	0.193	155	0.070 (−0.034 to 0.174)	0.092
Group II	209	0.038 (−0.117 to 0.193)	0.979	209	0.266 (0.157 to 0.375)	0.167	209	0.021 (−0.063 to 0.105)	0.258
Group IV	231	− 0.028 (−0.199 to 0.143)	0.583	231	0.291 (0.193 to 0.389)	0.072	231	0.005 (−0.076 to 0.086)	0.370
Aizu girls
Control group	211	− 0.105 (−0.267 to 0.057)		211	0.266 (0.162 to 0.370)		211	−0.112 (−0.213 to −0.011)
Group I	144	0.095 (−0.123 to 0.313)	0.138	144	0.365 (0.237 to 0.493)	0.236	144	−0.017 (−0.112 to 0.078)	0.200
Group II	193	− 0.069 (−0.240 to 0.102)	0.766	193	0.309 (0.200 to 0.418)	0.581	193	−0.124 (−0.202 to −0.046)	0.851
Group IV	198	0.058 (−0.097 to 0.213)	0.152	198	0.266 (0.153 to 0.379)	0.992	198	−0.067 (−0.154 to 0.020)	0.506

*Data before the 2011 earthquake disaster.
BMI, body mass index; ΔBMI SDS, BMI SDS between two consecutive health examinations; M, month health examination; SDS, SD score.