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. 2014 Jan 27;6(2):530–545. doi: 10.3390/nu6020530

Table 2.

Children’s behavior problems by Zn level (N = 1314).

Variable Low Zn † Normal Zn
N Mean SD N Mean SD
Total Behavior Problems 502 21.32 17.64 812 18.8 16.61
Internalizing Behavior Problems 502 6.42 5.91 812 5.74 5.84
Externalizing Behavior Problems 502 9.22 9.69 812 7.95 8.43

† Defined as zinc <76.5 μg/dL.