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Table 5 Factors associated with anemia: multivariate analysis results (Logistic Regression)

From: Identifying risk factors of anemia among women of reproductive age in Rwanda – a cross-sectional study using secondary data from the Rwanda demographic and health survey 2014/2015

VariablesFull model Final model
AOR95% CIP-value AOR95% CIP-value
Age categories
 15–191      
 20–241.13[0.90–1.42]0.285    
 25–291.01[0.77–1.33]0.915    
 30–341.02[0.76–1.37]0.871    
 35–391.18[0.86–1.60]0.304    
 40–441.07[0.77–1.49]0.669    
 45–491.24[0.88–1.75]0.223    
Nutrition status/Body Mass Index
 Normal1   1  
 Underweight1.38*[1.08–1.78]0.011 1.39*[1.09–1.77]0.009
 Overweight1.1[0.93–1.31]0.270 1.09[0.92–1.30]0.301
 Obese0.60*[0.40–0.91]0.015 0.61*[0.41–0.92]0.019
Economic Status
 Poor1   1  
 Middle class0.83[0.69–1.01]0.057 0.83*[0.69–1.00]0.044
 Rich0.74**[0.61–0.89]0.002 0.74*[0.63–0.87]< 0.001
Type of contraceptive method used
 None - natural - barriers or permanent1   1  
 Hormonal0.60*[0.49–0.73]< 0.0010.60*[0.50–0.72]< 0.001
 IUD1.93*[1.01–3.68]0.045 1.97*[1.04–3.73]0.037
 Pregnant1.18[0.90–1.53]0.227 1.15[0.89–1.49]0.275
Educational attainment
 No education1      
 Incomplete primary0.97[0.78–1.21]0.810    
 Complete primary0.81[0.64–1.03]0.087    
 Incomplete secondary0.99[0.74–1.32]0.929    
 Complete secondary0.89[0.61–1.30]0.545    
 Higher1.35[0.88–2.08]0.171    
Respondent slept under mosquito bed net
 No1   1  
 Yes0.85*[0.74–0.98]0.031 0.85*[0.73–0.98]0.025
Marital status
 Single1   1  
 Married/living together1.07[0.86–1.34]0.537 1.11[0.94–1.30]0.215
 Separated/widowed1.28[0.98–1.69]0.073 1.35*[1.09–1.67]0.006
Type of toilet facility
 Nonimproved1      
 Improved0.96[0.82–1.12]0.624    
Type of residence
 Urban1      
 Rural0.97[0.79–1.18]0.745    
Province of residence
 Kigali city1   1  
 South1.52*[1.17–1.97]0.002 1.45*[1.15–1.82]0.002
 West1.07[0.81–1.41]0.636 1.03[0.80–1.33]0.814
 North0.95[0.71–1.28]0.756 0.92[0.70–1.20]0.533
 East1.50*[1.15–1.95]0.003 1.41*[1.11–1.79]0.005
  1. *: Adjusted significant variables (p < 0.05) from multiple logistic regression
  2. AOR: Adjusted Odds Ratio.