Table 4. Associated Factor with Anemia in Univariate and Multivariable Logistic Regression Models.
| Univariate Models | Multivariate Models | ||||||
| Variables | Odds Ratio | 95% CI Odds Ratio | p | Odds Ratio | 95% CI Odds Ratio | p | |
| Gender (male/female) | 1.33 | 0.95 - 1.86 | 0.098 | 1.13 | 0.77 - 1.67 | 0.534 | |
| Age group | 60 -64 years | Reference group | |||||
| 65-69 years | 1.28 | 0.75 - 2.19 | 0.362 | 1.13 | 0.65 - 1.96 | 0.658 | |
| 70-74 years | 2.31 | 1.38 - 3.87 | 0.002 | 1.87 | 1.10 - 3.19 | 0.021 | |
| 75-79 years | 2.94 | 1.69 - 5.12 | 0.000 | 2.51 | 1.42 - 4.43 | 0.002 | |
| 80-84 years | 2.50 | 1.31 - 4.75 | 0.005 | 1.66 | 0.84 - 3.28 | 0.141 | |
| 85+ years | 3.95 | 1.95 - 8.00 | 0.000 | 2.65 | 1.26 - 5.57 | 0.010 | |
| BMI | Low body weight | Reference group | |||||
| Ideal body weight | 0.60 | 0.32 - 1.12 | 0.108 | 0.60 | 0.34 - 1.25 | 0.196 | |
| Overweight | 0.25 | 0.13 - 0.49 | 0.001 | 0.30 | 0.15 - 0.60 | 0.001 | |
| Obese | 0.35 | 0.17 - 0.70 | 0.003 | 0.46 | 0.22- 0.98 | 0.044 | |
| Meat | No Use | Reference group | |||||
| 1-3 times per week | 0.99 | 0.61 - 1.60 | 0.958 | ||||
| 4+ times per week | 0.68 | 0.26 - 1.74 | 0.417 | ||||
| Chicken | No use | Reference group | |||||
| 1-3 times per week | 1.23 | 0.62 - 2.41 | 0.552 | ||||
| 4+ times per week | 1.45 | 0.60 - 3.47 | 0.406 | ||||
| Fish consumption (User/Non-user) | 1.42 | 0.98 - 2.07 | 0.064 | 1.52 | 1.02 - 2.27 | 0.040 | |
| Milk consumption | No use | Reference group | |||||
| 1-3 times per week | 0.84 | 0.52 - 1.35 | 0.465 | 0.87 | 0.53- 1.43 | 0.582 | |
| 4+ times per week | 1.49 | 1.01 - 2.19 | 0.044 | 1.46 | 0.96- 2.20 | 0.074 | |
| Cheese consumption | No use | Reference group | |||||
| 1-3 times per week | 0.94 | 0.51 - 1.75 | 0.847 | ||||
| 4+ times per week | 0.84 | 0.51 - 1.38 | 0.497 | ||||
| Egg consumption | No use | Reference group | |||||
| 1-3 times per week | 1.00 | 0.59 - 1.70 | 0.993 | ||||
| 4+ times per week | 0.74 | 0.38 - 1.45 | 0.382 | ||||
| Fruit consumption | Use ≤ one serve /day | Reference group | |||||
| 2-4 serves /day | 0.79 | 0.43 - 1.47 | 0.456 | ||||
| 4 serves or more | 0.76 | 0.38 - 1.51 | 0.436 | ||||
|
Vegetables consumption |
No use | Reference group | |||||
| 1-3 times per week | 0.60 | 0.40 - 0.90 | 0.015 | 0.68 | 0.42 - 1.05 | 0.085 | |
| more than 3 times | 0.67 | 0.44 - 1.04 | 0.074 | 0.77 | 0.49 - 1.31 | 0.277 | |
| Hemorrhoid (Yes/No) | 1.31 | 0.66 - 2.61 | 0.444 | ||||
| GI Problem (Yes/No) | 1.18 | 0.80 - 1.75 | 0.408 | ||||
| CKD (Yes/No) | 3.38 | 1.69 - 6.76 | 0.001 | 3.60 | 1.75 - 7.42 | 0.001 | |
CI: Confidence interval, BMI: Body mass index, GI: Gastrointestinal, CKD: Chronic kidney disease