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Association among characteristics of participants and zinc content in breast milk (n = 62).
| Characteristic | Spearman Coefficient for Continuous Variables | p Value |
|---|---|---|
| Time postpartum | r = −0.492 | 0.000 |
| Maternal age | r = −0.178 | 0.167 |
| Parity | r = 0.190 | 0.137 |
| Baby’s birth weight | r = −0.167 | 0.194 |
| Baby’s sex | not applicable | 0.589 |
