Table 3 Correlations between the content of iodine in soil and three endemic diseases
Dependent variable | B | Std. Error | Beta | t value | P value |
|---|---|---|---|---|---|
2011 | |||||
 The rate of goiter | 1.730 | 4.187 | 0.082 | 0.413 | 0.683 |
 The rate of two-degree goiter | -0.439 | 0.467 | -0.196 | -0.940 | 0.358 |
 The rate of cretinism | -0.194 | 0.159 | -0.251 | -1.215 | 0.237 |
2012 | |||||
 The rate of goiter | 1.846 | 4.150 | 0.089 | 0.445 | 0.660 |
 The rate of two-degree goiter | -0.432 | 0.477 | -0.190 | -0.906 | 0.375 |
 The rate of cretinism | -0.175 | 0.154 | -0.235 | -1.132 | 0.270 |
2013 | |||||
 The rate of goiter | 2.670 | 3.752 | 0.141 | 0.711 | 0.483 |
 The rate of two-degree goiter | -0.259 | 0.454 | -0.118 | -0.572 | 0.573 |
 The rate of cretinism | -0.164 | 0.151 | -0.226 | -1.088 | 0.288 |