Adjusted associations1 between types of salt, salt appetite, milk consuming and thyroid nodule among boys of different age group, respectively.

1:Adjustment for age, dietary patterns, resident location, meanwhile, the models of types of salt, milk consumption, salt appetite were adjusted each other.2:Iodized salt indicates that subjects consistently consumed iodized salt; Non-iodized salt indicates that subjects intermittently consumed iodized salt or consistently consumed non-iodized salt.