Table 4.
multivariable-adjusted odds ratio and 95% confidence interval of IDA risk by tertiles of energy-adjusted iron intakes
| Tertiles of energy-adjusted dietary iron intakes | ||||
|---|---|---|---|---|
| T1 | T2 | T3 | P for trend | |
| Non-cases | 04 (2.8) | 09 (6.2) | 57 (39.9) | |
| Cases | 140 (97.2) | 136 (93.8) | 86 (60.1) | |
| Crude odds* | 1.00 (reference) | 0.43 (0.13, 1.43) | 0.04 (0.01, 0.12) | <0.0001 |
| Model 1 | 1.00 (reference) | 0.44 (0.13, 1.47) | 0.04 (0.01, 0.12) | <0.0001 |
| Model 2 | 1.00 (reference) | 0.42 (0.12, 1.41) | 0.03 (0.01, 0.11) | <0.0001 |
| Model 3 | 1.00 (reference) | 0.32 (0.05, 1.77) | 0.07 (0.01, 0.36) | <0.0001 |
*
unadjusted odds; model 1: adjusted for age (in years continuous) only; model 2: model 1 additionally adjusted for primigravida status (no, yes); model 3: model 2 additionally adjusted for monthly income (≤ N16,000, > N16,000)