Table 5.
Factors associated with anemia: multivariate analysis results (Logistic Regression)
| Variables | Full model | Final model | |||||
|---|---|---|---|---|---|---|---|
| AOR | 95% CI | P-value | AOR | 95% CI | P-value | ||
| Age categories | |||||||
| 15–19 | 1 | ||||||
| 20–24 | 1.13 | [0.90–1.42] | 0.285 | ||||
| 25–29 | 1.01 | [0.77–1.33] | 0.915 | ||||
| 30–34 | 1.02 | [0.76–1.37] | 0.871 | ||||
| 35–39 | 1.18 | [0.86–1.60] | 0.304 | ||||
| 40–44 | 1.07 | [0.77–1.49] | 0.669 | ||||
| 45–49 | 1.24 | [0.88–1.75] | 0.223 | ||||
| Nutrition status/Body Mass Index | |||||||
| Normal | 1 | 1 | |||||
| Underweight | 1.38* | [1.08–1.78] | 0.011 | 1.39* | [1.09–1.77] | 0.009 | |
| Overweight | 1.1 | [0.93–1.31] | 0.270 | 1.09 | [0.92–1.30] | 0.301 | |
| Obese | 0.60* | [0.40–0.91] | 0.015 | 0.61* | [0.41–0.92] | 0.019 | |
| Economic Status | |||||||
| Poor | 1 | 1 | |||||
| Middle class | 0.83 | [0.69–1.01] | 0.057 | 0.83* | [0.69–1.00] | 0.044 | |
| Rich | 0.74** | [0.61–0.89] | 0.002 | 0.74* | [0.63–0.87] | < 0.001 | |
| Type of contraceptive method used | |||||||
| None - natural - barriers or permanent | 1 | 1 | |||||
| Hormonal | 0.60* | [0.49–0.73] | < 0.001 | 0.60* | [0.50–0.72] | < 0.001 | |
| IUD | 1.93* | [1.01–3.68] | 0.045 | 1.97* | [1.04–3.73] | 0.037 | |
| Pregnant | 1.18 | [0.90–1.53] | 0.227 | 1.15 | [0.89–1.49] | 0.275 | |
| Educational attainment | |||||||
| No education | 1 | ||||||
| Incomplete primary | 0.97 | [0.78–1.21] | 0.810 | ||||
| Complete primary | 0.81 | [0.64–1.03] | 0.087 | ||||
| Incomplete secondary | 0.99 | [0.74–1.32] | 0.929 | ||||
| Complete secondary | 0.89 | [0.61–1.30] | 0.545 | ||||
| Higher | 1.35 | [0.88–2.08] | 0.171 | ||||
| Respondent slept under mosquito bed net | |||||||
| No | 1 | 1 | |||||
| Yes | 0.85* | [0.74–0.98] | 0.031 | 0.85* | [0.73–0.98] | 0.025 | |
| Marital status | |||||||
| Single | 1 | 1 | |||||
| Married/living together | 1.07 | [0.86–1.34] | 0.537 | 1.11 | [0.94–1.30] | 0.215 | |
| Separated/widowed | 1.28 | [0.98–1.69] | 0.073 | 1.35* | [1.09–1.67] | 0.006 | |
| Type of toilet facility | |||||||
| Nonimproved | 1 | ||||||
| Improved | 0.96 | [0.82–1.12] | 0.624 | ||||
| Type of residence | |||||||
| Urban | 1 | ||||||
| Rural | 0.97 | [0.79–1.18] | 0.745 | ||||
| Province of residence | |||||||
| Kigali city | 1 | 1 | |||||
| South | 1.52* | [1.17–1.97] | 0.002 | 1.45* | [1.15–1.82] | 0.002 | |
| West | 1.07 | [0.81–1.41] | 0.636 | 1.03 | [0.80–1.33] | 0.814 | |
| North | 0.95 | [0.71–1.28] | 0.756 | 0.92 | [0.70–1.20] | 0.533 | |
| East | 1.50* | [1.15–1.95] | 0.003 | 1.41* | [1.11–1.79] | 0.005 | |
*: Adjusted significant variables (p < 0.05) from multiple logistic regression
AOR: Adjusted Odds Ratio.