Table 1 Socio-economic and demographic characteristics of the study population in India

Mother’s characteristic

 Mother's age (in years)

< 0.001

< 0.001

  15–24

7,563

52.4

33,810

45.6

  25–34

6,068

42.1

36,184

48.8

  35 + 

791

5.5

4,137

5.6

 Mother's educational status

< 0.001

< 0.001

  Not educated

6,769

46.9

20,306

27.4

  Primary

1,996

13.8

10,034

13.5

  Secondary

4,780

33.1

35,123

47.4

  Higher

877

6.1

8,669

11.7

 Media exposure

< 0.001

< 0.001

  Exposed

4,471

31.0

19,244

26.0

  Not exposed

9,951

69.0

54,888

74.0

Child characteristic

 Child's age (in months)

< 0.001

< 0.001

  6–11

4,859

33.7

25,235

34.0

  12–17

4,794

33.2

24,455

33.0

  18–23

4,769

33.1

24,441

33.0

 Sex

< 0.001

< 0.001

  Male

7,590

52.6

38,793

52.3

  Female

6,832

47.4

35,339

47.7

 Birth order

< 0.001

< 0.001

  1

4,615

32.0

28,348

38.2

  2

4,018

27.9

24,642

33.2

  3 + 

5,789

40.1

21,143

28.5

Household characteristics

 Wealth quintile

< 0.001

< 0.001

  Poorest

3,542

24.6

18,110

24.4

  Poorer

3,190

22.1

16,073

21.7

  Middle

2,794

19.4

15,145

20.4

  Richer

2,663

18.5

13,722

18.5

  Richest

2,234

15.5

11,081

15.0

 Religion

< 0.001

< 0.001

  Hindu

11,235

77.9

58,331

78.7

  Muslim

2,460

17.1

12,213

16.5

  Christian

314

2.2

1,551

2.1

  Others

413

2.9

2,037

2.8

 Caste

< 0.001

 < 0.001

  Scheduled Caste

2,974

20.6

16,126

21.8

  Scheduled Tribe

1,380

9.6

7,739

10.4

  Other Backward Class

5,736

39.8

32,618

44.0

  Others

4,332

30.0

17,649

23.8

 Place of residence

< 0.001

< 0.001

  Urban

3,713

25.8

20,812

28.1

  Rural

10,709

74.3

53,320

71.9

 Regions

< 0.001

< 0.001

  North

1,878

13.0

9,701

13.1

  Central

1,661

11.5

19,561

26.4

  East

128

0.9

19,325

26.1

  North East

3,018

20.9

2,556

3.5

  West

5,880

40.8

9,458

12.8

  South

1,857

12.9

13,532

18.3

Total

14,422

100.0

74,132

100.0