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Table 2 Binary logistic regression (odds ratio) of unwanted childbirth among women 15-49 years, Ethiopia-2011

From: Prevalence and determinants of unintended childbirth in Ethiopia

Variables Model-I Model-II Model-III
AOR [95.0% C.I.] AOR [95.0% C.I.] AOR [95.0% C.I.]
Age (RC = 20-34)    
15-19 1.53 [0.72, 3.25] 1.68 [1.25, 2.25]** 1.66 [1.27, 2.17]****
35-49 1.03 [0.70, 1.53] 0.95 [0.79, 1.14] 0.95 [0.80, 1.12]
Woman's educational level (RC = No education)    
Primary education 0.97 [0.70, 1.35] 1.17 [1.00, 1.37] 1.13 [0.99, 1.31]
Secondary education 0.50 [0.33, 0.76]** 1.19 [0.69, 2.04] 0.63 [0.47, 0.84]**
Type of place of residence (RC = Urban)    
Rural    1.10[0.91, 1.33]
Currently working (RC = No)    
Yes 1.08 [0.82, 1.41] 1.29 [1.12, 1.49]**** 1.23 [1.09, 1.40]**
Wealth index (RC = Middle)    
Poor 3.61 [0.81, 16.04] 1.15 [0.98, 1.36] 1.17 [1.00, 1.38]
Rich 3.11 [1.32, 7.32]* 1.24 [1.05, 1.46]* 1.29 [1.10, 1.51]**
Parity (RC = 0-2)    
3-5 1.54 [1.09, 2.18]* 1.21 [1.00, 1.46]* 1.29 [1.09, 1.52]**
6 and above 2.56 [1.43, 4.57]** 1.43 [1.13, 1.83]** 1.56 [1.25, 1.94]****
Household size (RC = 1-3)    
4-6 0.99 [0.70, 1.40] 1.48 [1.15, 1.89]** 1.27 [1.04, 1.55]*
7 and above 1.17 [0.73, 1.86] 2.06 [1.57, 2.70]**** 1.74 [1.39, 2.18]****
Religion (RC = Orthodox)    
Protestant 0.99 [0.63, 1.55] 0.73 [0.58, 0.93]** 0.76 [0.62, 0.93]**
Muslim 0.75 [0.54, 1.05] 0.73 [0.60, 0.89]** 0.77 [0.65, 0.91] **
Catholic/Traditional/others 1.31 [0.37, 4.64] 0.86 [0.59, 1.27] 0.90 [0.63, 1.29]
Marital status (RC = Never in union)    
Married/cohabiting 0.07 [0.03, 0.18]** 0.18 [0.08, 0.37]** 0.12 [0.07, 0.22]***
Formerly married 0.17 [0.06, 0.45] 0.25 [0.12, 0.53]*** 0.20 [0.11, 0.36]***
Ethnicity (RC = Oromo)    
Afar 0.83 [0.58, 1.18] 0.75 [0.60, 0.93]** 0.76 [0.63, 0.91]**
Amhara 0.11 [0.03, 0.50]** 0.15 [0.10, 0.23]**** 0.15 [0.10, 0.23]****
Somali 0.19 [0.09, 0.40]**** 0.11 [0.07, 0.18]**** 0.13 [0.09, 0.19]****
Tigrie 0.45 [0.26, 0.79]** 0.34 [0.26, 0.46]**** 0.37 [0.29, 0.47]****
Others 0.90 [0.60, 1.29] 0.57 [0.47, 0.68]**** 0.62 [0.53, 0.73]****
Knowledge of contraceptive method (RC = Knows no method)    
Knows at least one method 1.04 [0.36, 3.04] 1.78 [1.21, 2.62]** 1.82 [1.25, 2.65]**
Contraceptive use (RC = Yes)    
No 0.60 [0.45, 0.80]** 0.66 [0.57, 0.78]**** 0.64[0.56, 0.73]****
Media exposure (RC = Inadequate)    
Adequate 1.16 [0.81, 1.65] 0.99 [0.85, 1.15] 1.01 [0.88, 1.16]
Decision-making on own healthcare (RC = Respondent alone)    
Joint decision 0.81 [0.59, 1.12] 0.72 [0.59, 0.87]** 0.74 [0.62, 0.88]****
Husband or someone else 0.75 [0.48, 1.18] 0.81 [0.66, 1.00] 0.83 [0.68, 1.00]
History of abortion (RC = Yes)    
No 0.72 [0.46, 1.14] 1.00 [0.81, 1.24] 0.94 [0.78, 1.14]
  1. AOR = adjusted odds ratio, RC = reference category, *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001.