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Table 3 Multivariate Cox regression in hazard ratio of selected factors on timing of first marriage

From: Fertility transition in Rwanda: what does the trend in nuptiality reveal?

Variable and categories Model 1 Model 2
Hazard ratio ± 95 CI Hazard ratio ± 95 CI
Year     
 2005 1.000    
 2010 0.900*** 0.868–0.933   
 2015 0.781*** 0.753–0.811   
Education     
 None 1.000    
 Primary 0.904*** 0.872–0.938   
 Secondary +  0.715*** 0.674–0.759   
Residence     
 Urban 1.000    
 Rural 1.149*** 1.096–1.204   
Occupation     
 Agriculture 1.000    
 Not skilled 1.050* 0.993–1.110   
 Services 0.852*** 0.793–0.915   
 Not working 0.967 0.921–1.016   
Religion     
 Catholic 1.000    
 Protestant 1.045*** 1.014–1.076   
 Muslim 1.011 0.909–1.124   
 Others 0.993 0.892–1.104   
Province     
 South 1.000    
 Kigali 0.966 0.908–1.027   
 West 1.250*** 1.200–1.303   
 North 1.402*** 1.340–1.467   
 East 1.288*** 1.236–1.343   
No sibling     
 0–3 1.000    
 4–7 0.976 0.934–1.021   
 8 +  0.973 0.928–1.020   
 Missing 0.888 0.698–1.130   
Age first sex     
 < 16 1.000    
 16–18 1.027 0.963–1.094   
 19–21 0.494*** 0.464–0.526   
 22 +  0.148*** 0.139–0.158   
 Unclear 0.255*** 0.228–0.285   
Interaction terms  
 Education*year     
 Primary in 2010    0.858*** 0.787–0.935
 Second + in 2010    0.969 0.844–1.112
 Primary in 2015    0.982 0.898–1.074
 Second + in 2015    1.094 0.955–1.253
 Residence *year     
 Rural in 2010    1.032 0.933–1.140
 Rural in 2015    1.000 0.912–1.098
  1. *Significant at 10%
  2. **Significant at 5%
  3. ***Significant at 1%