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Table 2 Unadjusted and fully adjusted Odd ratios (OR) and 95% Confidence Interval (CI) of short birth interval (<=24 months) for young women of reproductive age (15–24 years old) based on logistic regression and Bayesian geo-additive model

From: An exploratory spatial analysis of geographical inequalities of birth intervals among young women in the Democratic Republic of Congo (DRC): a cross-sectional study

Variables n = 1389% Un-Adjusted Adjusted Bayesian  
   Odds ratio 95% C.I. Odds ratio 95% C.I. Odds ratio 95% C.I.
Province of residence       
Kinshasa 35.7 RC   RC   0.85 0.69, 1.03
Bas Congo 26.9 0.66 0.34, 1.30 0.89 0.44, 1.77 0.80 0.64, 0.97
Bandundu 22.7 0.53 0.27, 1.03 0.73 0.36, 1.47 0.80 0.62, 1.02
Equateur 33.1 0.89 0.51, 1.56 1.22 0.67, 2.24 0.98 0.91, 1.15
Orientale 30.4 0.79 0.43, 1.45 0.98 0.52, 1.86 0.91 0.77, 1.08
Nord-Kivu 47.9 1.65 0.95, 2.88 2.07 1.16, 3.69 1.22 1.00, 1.54
Maniema 35.7 1.00 0.58, 1.73 1.32 0.74, 2.35 1.02 0.88, 1.20
Sud-Kivu 53.9 2.11 1.22, 3.65 2.58 1.46, 4.56 1.34 1.14, 1.63
Katanga 43.7 1.40 0.79, 2.48 1.71 0.94, 3.12 1.15 0.92, 1.42
Kasaï Occidental 38.7 1.14 0.65, 1.99 1.39 0.78, 2.49 1.07 0.91, 1.29
Kasaï Oriental 42.2 1.31 0.77, 2.25 1.59 0.91, 2.77 1.03 0.87, 1.22
Location of residence        
Urban 41.4 RC      
Rural 37.3 0.84 0.67, 1.06    1.03 0.86, 1.21
Household economic status        
Low income households 37.6 0.73 0.57, 0.93 0.75 0.57, 0.97 0.78 0.65, 0.96
Middle income households 30.6 0.53 0.39, 0.73 0.55 0.39, 0.77 0.63 0.82, 1.00
High income households 45.3 RC   RC    
Education        
No education 38.9 1.08 0.80, 1.44    1.07 0.86, 1.31
Primary 39.5 1.11 0.85, 1.45    1.12 0.91, 1.35
Secondary and higher 37.1 RC      
Age        
15-19 47.3 1.47 1.02,2.12 1.36 0.93, 1.97   
20-24 37.9 RC   RC    
Use of contraception        
Not using 39.2 1.21 0.87, 1.70    0.99 0.73, 1.32
Traditional or folkloric 34.7 1.31 0.76, 2.24     
Modern method 41.0 RC      
Breastfeeding practice in DRC        
Never 38.6 0.96 0.74, 1.25    1.03 0.82, 1.24
Exclusive 37.0 0.90 0.68, 1.19    0.91 0.77, 1.07
Mixed 39.5 RC