Table 3

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

BMI SDS	Birth			36–42 M
BMI SDS	n	Average (95% CI)	P value	n	Average (95% CI)	P value
All boys
Control group	1414	−0.048 (−0.102 to 0.006)		1645	0.232 (0.187 to 0.277)
Group I	836	−0.080 (−0.146 to −0.014)	0.479	1061	0.351 (0.298 to 0.404)	0.001
Group II	1174	−0.085 (−0.143 to −0.027)	0.363	1478	0.346 (0.302 to 0.390)	<0.001
Group IV	1492	−0.017 (−0.068 to 0.034)	0.406	1911	0.281 (0.239 to 0.323)	0.120
All girls
Control group	1333	0.016 (−0.041 to 0.073)		1561	0.206 (0.162 to 0.250)
Group I	843	−0.119 (−0.190 to −0.048)	0.004	1053	0.293 (0.240 to 0.346)	0.013
Group II	1121	−0.094 (−0.155 to −0.033)	0.009	1410	0.310 (0.265 to 0.355)	0.001
Group IV	1436	−0.035 (−0.088 to 0.018)	0.202	1889	0.237 (0.196 to 0.278)	0.300

BMI, body mass index; M, month health examination; SDS, body mass index SD score.