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

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]