Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Statistical comparisons between DDE and no-DDE groups regarding lack of calcium, sources of water and fruits/vegetables and use of pesticides—N (%).
| Lack of Calcium | Private Source | Use of Pesticides | ||
|---|---|---|---|---|
| Water | Fruits/Vegetables | |||
| DDE | 4 (16.7) | 23 (95.8) | 8 (33.3) | 2 (8.3) |
| No-DDE | 44 (23.3) | 145 (76.7) | 53 (28.0) | 28 (14.8) |
| χ2(1) | 0.534 | 4.669 | 1.478 | 0.739 |
| p | 0.465 * | 0.031 * | 0.478 * | 0.541 ** |
* Chi-square test. ** Fisher exact test. Bold indicates statistically significant results.
