Table 1 Duration of breastfeeding among mothers by socio-demographic factors

 Antenatal care visits

Yes

2768 (78.2)

18.63

7.99

3.89

0.001

No

773 (21.8)

19.89

8.00

 Sex of child

Male

1807 (51)

18.79

8.06

−0.90

0.366

Female

1734 (49)

19.03

7.89

 Mode of delivery

Caesarean

831 (23.5)

18.27

7.98

2.64

Vaginal

2710 (76.5)

19.10

7.97

 Place of delivery

Home

2163 (61.08)

19.18

7.98

2.54

0.011

Hospital/Clinic

1378 (38.92)

18.48

 Mothers’ educational level

471 (13.3)

19.80

7.96

3.61

0.013

Primary

975 (27.5)

19.15

8.13

Secondary

1705 (48.20)

18.66

7.90

Higher

390 (11.00)

18.27

7.85

 Fathers’ educational level

828 (23.4)

19.99

8.02

7.10

0.001

Primary

1059 (29.9)

18.78

7.95

Secondary

1109 (31.3)

18.40

7.89

Higher

545 (15.4)

18.52

7.98

 Mothers’ occupation

Working outside of house

862 (24.30)

20.14

8.01

5.22

0.001

Housewife

2679 (75.70)

18.51

7.92

 Division

Barisal

415 (11.7)

19.17

8.11

3.78

0.001

Chittagong

674 (19.0)

18.33

7.31

Dhaka

626 (17.7)

17.99

8.01

Khulna

422 (11.9)

19.38

8.37

Rajshahi

436 (12.3)

18.97

8.31

Rangpur

446 (12.6)

20.00

8.27

Sylhet

522 (14.7)

19.16

7.66

 Religion

Muslim

3250 (91.8)

18.82

7.88

−1.88

0.041

Non-Muslim

291 (8.2)

20.10

9.11

 Place of residence

Urban

1143 (32.3)

18.71

8.11

−1.00

0.061

Rural

2398 (67.7)

19.00

7.92

 Wealth Index

Poor

1410 (39.8)

19.29

8.04

3.62

0.027

Middle

677 (19.1)

18.98

7.95

Rich

1454 (41.1)

18.50

7.90

 BMI

Underweight (BMI < 18.5 kg/m²)

957(27.0)

18.59

7.77

1.029

0.357

Normal weight (18.5 ≤ BMI < 25 kg/m²)

2021 (57.1)

19.02

7.97

Overweight or obese (BMI ≥ 25 kg/m²)

563(15.9)

19.03

8.34