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Table 2 Cox-proportional hazards regression model for PPIUD continuation by 12 months

From: A one-year cohort study of complications, continuation, and failure rates of postpartum TCu380A in Tanzania

Factor Adjusted
Hazard Ratio (95%CI)
P-value
Age (years)
 16–24 yrs 0.33 (0.13–0.79) 0.047
 25–34 yrs 0.63 (0.35–1.12)  
 35 and more 1  
Counselled before admission
 Yes 1.0 (0.57–1.77) 0.999
 No 1  
Marital status
 Married/cohabiting 0.97 (0.47–1.98) 0.929
 Single/divorced 1  
Highest Education level
 Secondary and above 1 0.694
 Primary 1.19 (0.69–2.04)  
 No formal education 1.57 (0.46–5.39)  
Occupation
 Petty business/peasant 1.61 (0.78–3.31) 0.397
 Salary Employment 1.26 (0.72–2.21)  
 House wife /No formal employment 1  
Mode of delivery
 Normal   
 Cesarean section 2.08 (11.17–3.70) 0.013
Number of all Pregnancies
 1 pregnancy 0.53 (0.13–2.12) 0.142
 2–4 pregnancies 0.18 (0.30–1.12)  
 5 or above 1  
Number of Children
 1 child 0.99 (0.268–3.68) 0.672
 2–4 children 1.64 (0.32–8.32)  
 5 or above 1  
Accessed of PPIUD educational resources
 Adequate (3–8 sources) 1 0.773
 Not adequate (less than 3) 0.91 (0.48–1.72)  
Medical/social problem since insertion (Yes/No) 8.48 (4.83–14.89) 0.001