Table 3 Logistic regression results of contraceptive use before first pregnancy by 15–34 years aged Indian women’s (who were ever married) socio demographic characteristics

 Rural

ref

-

-

ref

-

-

 Urban

1.558**

1.464

1.658

0.983

0.913

1.058

 Hindu

ref

-

-

ref

-

-

 Muslim

0.900*

0.822

0.987

0.840**

0.758

0.931

 Others

0.681**

0.610

0.760

0.499**

0.440

0.566

 SC/ST

ref

-

-

ref

-

-

 OBC

0.814**

0.736

0.889

0.993

0.900

1.096

 Others

1.755**

1.604

1.920

1.330**

1.214

1.458

 No education

ref

-

-

ref

-

-

 Primary

1.885**

1.680

2.116

1.401**

1.240

1.583

 Secondary

2.702**

2.472

2.952

1.899**

1.710

2.108

 Higher

7.635**

6.892

8.459

5.705**

4.975

6.543

 15–19

ref

-

-

ref

-

-

 20–24

0.724**

0.656

0.799

0.579**

0.520

0.644

 25–29

0.518**

0.468

0.572

0.332**

0.296

0.372

 30–34

0.377**

0.339

0.419

0.229**

0.203

0.258

  < =16

ref

-

-

ref

-

-

 17–20

1.427**

1.322

1.541

1.196**

1.099

1.303

  > = 21

2.597**

2.396

2.816

1.687**

1.563

1.941

 Not at all

ref

-

-

ref

-

-

 Weekly/less than weekly

2.085**

1.843

2.359

1.709**

1.497

1.950

 Daily

3.152**

2.821

3.521

2.034**

1.784

2.320

 North

0.986

0.885

1.099

0.816**

0.728

0.916

 Central

ref

-

-

ref

-

-

 East

4.383**

3.978

4.830

4.774**

4.296

5.306

 North-east

1.864**

1.691

2.055

2.124**

1.904

2.370

 West

1.493**

1.339

1.664

1.152*

1.027

1.292

 South

0.624**

0.552

0.706

0.498**

0.438

0.566