Table 2.

The Kruskal–Wallis test results for the severity of depressive symptoms depending on Mg and Zn levels

Severity of depressive symptoms	No.	S	H	p
Mg
No depressive symptoms	108	9,611	8.725	0.0127
Mild depressive symptoms	34	2,100
Moderate depressive symptoms	21	1,656
Zn
No depressive symptoms	108	8,643	7.769	0.0206
Mild depressive symptoms	34	3,377
Moderate depressive symptoms	21	1,347

S is a rank sum; H is a Kruskal–Wallis test value; p is a level of significance for test value