| 25(OH)Dsubgroup on situations | Urban population | Rural population | χ2 | P | ||
| Number of cases (n) | Component ratio | Number of cases (n) | Component ratio | |||
| Deficiency group (n = 56) | 48 | 85.7% | 8 | 14.3% | 43.967 | <0.01 |
| Inadequate group (n = 107) | 39 | 36.4% | 68 | 63.6% | ||
| Good group (n = 87) | 30 | 34.5% | 57 | 65.5% | ||