Table 3 Cox regression of breastfeeding cessation, unadjusted and adjusted hazard ratio (HR). Only factors in the final adjusted model have HR estimates (right-hand columns).

Mother's education

   None

1

1

   Stopped in primary

1.3

0.7 – 2.4

1.3

0.7 – 2.5

   Completed primary (7 years)

1.9*

1.0 – 3.7

2.1*

1.0 – 4.2

   Secondary education

3.0*

1.5 – 6.0

2.4*

1.1 – 5.0

   Higher education (≥ 12 years)

6.4*

2.2 – 18

4.5*

1.4 – 15

Father's education

   None

1

   Stopped in primary

1.7

0.6 – 4.8

   Completed primary (7 years)

1.7

0.6 – 4.9

   Secondary education

3.0*

1.1 – 8.4

   Higher education (≥ 12 years)

3.0

1.0 – 8.8

Mother's age

   ≤ 24

1

   25 – 29

1.8

0.8 – 3.7

   30 – 34

1.7

0.9 – 3.5

   ≥ 35

1.8

0.9 – 3.7

Marital status

   Married/cohabiting

1

   Widowed

1.2

0.9 – 1.8

   Divorced/separated or single

1.5

0.8 – 2.6

Socio-economic status

   Bottom quintile, poorest

1

1

   2nd quintile

1.8

1.0 – 3.2

2.4*

1.2 – 4.8

   3rd quintile

2.2*

1.2 – 4.0

2.6*

1.3 – 5.1

   4th quintile

1.3

0.7 – 2.4

1.1

0.5 – 2.3

   Top quintile, least poor

3.1*

1.7 – 5.5

3.0*

1.5 – 6.0

Mother's work

   Farming

1

   Do not farm

1.8*

1.1 – 2.7

Living area

   Rural

1

   Urban

1.5

0.9 – 2.5

HIV-diagnosis

   After delivery

1

   Before delivery

1.7*

1.2 – 2.4

Participation in the PMTCT-program

   Did not attend

1

1

   Attended

2.0*

1.4 – 2.8

2.0*

1.3 – 3.0

Anyone talked about breastfeeding

   No

1

1

   Yes

2.2*

1.4 – 3.7

1.9*

1.1 – 3.3

Mothers self-rated health

   Very healthy

1.1

0.6 – 1.9

   Quite healthy

1.1

0.8 – 1.7

   Not very healthy

1

Mothers-rated health of child

   Very healthy

1.3

0.7 – 2.1

   Quite healthy

1.0

0.7 – 1.4

   Not very healthy

1

Belief about 6 months of exclusive breastfeeding

   Sure it would be good

2.8*

1.5 – 5.0

3.1*

1.6 – 5.8

   Think it would be good

1.3

0.7 – 2.2

1.7

1.0 – 3.1

   Think it would hurt

1.3

0.9 – 2.1

2.0*

1.2 – 3.2

   Sure it would hurt

1

1