Table 8.
Factors associated with iron deficiency, by multiple logistic regression analysis, among the female adolescents (n 330) aged 15–19 years, Gaza Strip, Palestine, academic years 2015–2016
| Variable | B | se | OR | 95 % CI | Wald | P value |
|---|---|---|---|---|---|---|
| Menstrual period | ||||||
| 3–5 d (Ref.) | – | – | – | – | ||
| 5–7 d | 0·856 | 0·289 | 2·35 | 1·33, 4·14 | 8·748 | 0·003* |
| >7 d | 1·978 | 0·568 | 7·23 | 2·37, 21·98 | 12·138 | <0·001* |
| Mother’s education | ||||||
| >Secondary (Ref.) | – | – | – | – | ||
| <Secondary | 0·632 | 0·280 | 1·88 | 1·08, 3·25 | 5·113 | 0·024* |
| Eating breakfast | ||||||
| Regularly (Ref.) | – | – | – | – | ||
| Sometimes | 1·131 | 0·351 | 3·10 | 1·55, 6·17 | 10·396 | 0·001* |
| Do not take | 1·390 | 0·431 | 4·01 | 1·72, 9·33 | 10·420 | 0·001* |
| Beverages | ||||||
| Do not drink (Ref.) | – | – | – | – | ||
| Small | 0·188 | 0·491 | 1·21 | 0·46, 3·16 | 1·867 | 0·702 |
| Medium | 0·295 | 0·463 | 1·34 | 0·54, 3·32 | 2·511 | 0·524 |
| Large | 1·975 | 0·529 | 7·21 | 2·55, 20·32 | 9·373 | <0·001* |
| Constant | −2·600 | 0·785 | 0·074 | 24·937 | <0·001 | |
| MCV | −0·204 | 0·028 | 0·82 | 0·77, 0·86 | 52·533 | <0·001* |
| RDW | 0·563 | 0·141 | 1·76 | 1·33, 2·31 | 16·082 | <0·001* |
| Constant | 8·564 | 3·320 | 5241·580 | 6·627 | 0·010 | |
Ref., reference category; MCV, mean cell volume; RDW, red cell distribution width.
*Significant at P ≤ 0·05.