Table 4. Comparison of toxic heavy metal concentrations in the breast milk of diabetic and non-diabetic groups N = 144.
| Variable | Diabetes group n | Non-diabetic group n | t-test | χ2 | P value |
|---|---|---|---|---|---|
| Arsenic Mean(SD) | 0.63 (0.36) | 0.65 (0.36) | 0.39 | 0.696 | |
| Below limits | 26 | 27 | 0.03 | 0.863 | |
| Above limits | 46 | 45 | |||
| Lead Mean(SD) | 13.20 (5.14) | 12.24 (5.13) | -1.12 | 0.263 | |
| Below limits | 3 | 3 | 0.00 | 1.000 | |
| Above limits | 69 | 69 | |||
| Mercury Mean(SD) | 2.90 (1.91) | 3.08 (1.74) | 0.31 | 0.757 | |
| Below limits | 23 | 20 | 0.30 | 0.585 | |
| Above limits | 49 | 52 | |||
| Cadmium Mean(SD) | 3.32 (1.86) | 3.24 (1.87) | -0.25 | 0.803 | |
| Below limits | 11 | 10 | 0.06 | 0.813 | |
| Above limits | 61 | 62 |
n = frequency, SD = standard deviation, Mean(SD) was meaaured in ng/ml, p < 0.05 is significant