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Table 4 Bivariable and multivariable Cox regression analysis for determinants of first birth among ever married female youths in Ethiopia, 2016

From: Time to first birth and its determinants among married female youths in Ethiopia, 2020: survival analysis based on EDHS 2016

Variable

Categories

Outcome

CHR (95%CI)

AHR (95% CI)

Censored

Event

Residence

Urban

195

178

1

 
 

Rural

593

1631

2.46 (2.01, 3.02)

1.49 (1.13, 1.97)*

Religion

Orthodox

436

628

1

 
 

Muslim

237

733

1.71 (1.44, 2.03)

1.57 (1.22, 2.02)**

 

Protestant

106

379

1.50 (1.21, 1.84)

1.73 (1.34, 2.24)**

 

Othersa

9

69

1.91 (1.55, 2.37)

1.35 (.94, 1.92)

Education level

No education

159

714

4.54 (3.38, 6.11)

1.55 (.99, 2.41)

 

Primary

428

886

3.02 (2.27, 4.01)

1.26 (.85, 1.87)

 

Secondary

144

160

1.58 (1.15, 2.17)

1.03 (.67, 1.57)

 

Higher

58

48.72

1

 

Wealth index

Poor

285

872

1.75 (1.50, 2.03)

.89 (.76, 1.07)

 

Middle

150

371

1.51 (1.27, 1.80)

.81 (.65, 1.00)

 

Rich

353

566

1

 

Current working status

No

523

1404

1.46 (1.25, 1.70)

1.17 (.96, 1.42)

 

Yes

265

405

1

 

Husband education

No education

146

578

3.08 (2.35, 4.04)

1.31 (.89, 1.92)

 

Primary

254

770

2.44 (1.87, 3.181)

1.22 (.85, 1.75)

 

Secondary

128

225

1.53 (1.08, 2.16)

1.14 (.79, 1.66)

 

Higher

84

85

1

 

Age at first sex

< 15

109

416

5.04 (4.00, 6.34)

1.68 (1.23, 2.29)**

 

15–17

345

912

2.78 (2.44, 3.17)

1.54 (1.29, 1.85)**

 

≥ 18

335

481

1

 

Age at first marriage

< 15

91

480

8.09 (6.46, 10.16)

6.52 (4.91, 8.64)**

 

15–17

316

840

3.28 (2.87, 3.75)

2.63 (2.20, 3.141)**

 

≥ 18

381

489

1

 

Demand for contraceptives

Met need

260

655

1

 
 

Unmet need

98

332

1.31 (1.07, 1.60)

1.23 (1.00, 1.52) *

 

No demand

430

822

.96 (.82,1.12)

.74 (.54,1.17)

Decision on marriage

My self

387

780

1

 
 

Parents

373

945

1.33 (1.15, 1.54)

1.040 (.87, 1.24)

 

Other relatives

28

75

1.13 (.81, 1.59)

.79 (.54, 1.17)

Alcohol drinking

Yes

337

514

1

 
 

No

451

1295

1.41 (1.22, 1.63)

1.23 (.98, 1.55)

Media exposure

Exposed

266

440

1

 
 

Non-exposed

522

1369

1.53 (1.32, 1.77)

.88 (.71, 1.08)

Hearing FP messages on medias

Yes

266

409

1

 
 

No

522

1400

1.62 (1.35, 1.95)

1.19 (.95, 1.49)

  1. Bold indicate the signifacant explanatory variabales with thier adjusted hazard ratio and confidence interval
  2. Other a = traditional and catholic
  3. FP family planning
  4. *Significant at p < 0.05 and
  5. **Significant at p < 0.001