Table 4.
Intake and meeting requirements for minerals in the study group.
| Overall intake | Needs* | Intake | p–value** | % below requirements | ||||
|---|---|---|---|---|---|---|---|---|
| Min–Max | Mean ±SD/Median | Organic | Conventional | Organic | Conventional | |||
| Mean ±SD/Median | Mean ±SD/Median | % | % | |||||
| Sodium (mg) | 1923–7326 | 4531 ± 1327 | 1500 | 4517 ± 1189 | 4549 ± 1491 | 0.931 | 0 | 0 |
| Potassium (mg) | 31424–6502 | 3830 ± 1161 | 3500 | 4315 ± 1084 | 3286 ± 1008 | < 0.001 | 25 | 60 |
| Calcium (mg) | 115, 8–2031 | 597.2 | 800–1000 | 801, 1 | 546, 0 | 0.008 | 54 | 88 |
| Phosphorus (mg) | 648.5–2775 | 1525 ± 506, 4 | 580 | 1724 ± 509.8 | 1304 ± 407.2 | 0.002 | 0 | 0 |
| Magnesium (mg) | 110.4–747.3 | 337.3 | 255–350 | 364.7 | 281.0 | 0.020 | 21 | 52 |
| Iron (mg) | 5.21–46.77 | 13.82 | 6–8 | 14.91 | 11.68 | 0.007 | 0 | 8 |
| Zinc (mg) | 6.56–24.38 | 11.17 | 6.8–9.4 | 13.05 | 9.32 | 0.015 | 4 | 16 |
| Copper (mg) | 0.46–3.09 | 1.34 | 0.7 | 1.43 | 1.12 | 0.011 | 0 | 4 |
| Manganese (mg) | 0.71–12.34 | 4.42 | 1.8–2.3 | 5.06 | 3.79 | 0.012 | 4 | 4 |
| Iodine (μg) | 55.91–317.5 | 174.3 ± 55.08 | 95 | 183.1 ± 56.07 | 164.4 ± 53.32 | 0.220 | 0 | 12 |
Needs estimated on the basis of Standards for the Polish population (23); Bolded values statistically significant; *Needs (according to EAR / AI) depending on age and gender; **Student t-test for normal distribution and the U Mann–Witney's test for a distribution different from normal.