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Table 5 Effects of maternal socio-demographic and obstetric factors on breastfeeding cessation.

From: Factors associated with breastfeeding cessation in nursing mothers in a peer support programme in Eastern Lancashire

 

Breastfeeding duration from KM analyses

Unadjusted Cox HR

 

Adjusted Cox HRΦ

 

Variable

Mean (95% CI)

Median (95% CI)

(95% CI)

P value

(95% CI)

P value

Borough of residence

      

Both

21.6 (20.86 to 22.37)

27 (25.70 to 28.30)

-

-

-

-

BwD

22.5 (21.63 to 23.39)

27 (26.11 to 27.88)

1†

-

-

-

Hyndburn

18.5 (17.36 to 19.73)

22 (18.69 to 25.30)

1.36 (1.18 to 1.55)

< 0.0001

-

-

Ethnicity

    

-

-

White

19.8 (18.53 to 20.97)

20 (17.60 to 22.39)

1†

-

1†

-

Non-white

23.4 (22.42 to 24.34)

27 (26.03 to 27.97)

0.65 (0.57 to 0.73)

< 0.0001

0.59 (0.52 to 0.67)

<0.0001

â–ª Indian

24.8 (23.53 to 26.15)

28 (26.67 to 29.33)

0.55 (0.46 to 0.64)

< 0.0001

0.53 (0.45 to 0.62)

< 0.0001

â–ª Pakistani

21.8 (20.27 to 23.25)

26 (25.05 to 26.95)

0.79 (0.68 to 0.91)

0.0015

0.69 (0.60 to 0.81)

< 0.0001

â–ª All Blacks

25.1 (20.79 to 29.51)

28 (25.18 to 30.81)

0.40 (0.19 to 0.84)

0.0155

0.35 (0.16 to 0.74)

0.0057

▪ OthersΨ

24.5 (20.11 to 28.81)

27 (25.89 to 28.11)

0.52 (0.35 to 0.78)

0.0018

0.48 (0.32 to 0.73)

0.0005

Marital status

      

Single mothers

18.2 (15.19 to 21.17)

24 (17.77 to 30.23)

1†

-

-

-

Mothers with partners

21.6 (20.89 to 22.35)

27 (25.69 to 28.31)

0.80 (0.58 to 1.11)

0.1815

-

-

IMD quartile

      

1st quartile

21.3 (19.69 to 22.82)

25 (22.71 to 27.29)

1†

-

-

-

2nd quartile

20.9 (19.52 to 22.21)

26 (23.36 to 28.64)

1.01 (0.86 to 1.19)

0.8873

-

-

3rd quartile

23.2 (21.37 to 24.97)

27 (26.21 to 27.79)

0.78 (0.66 to 0.92)

0.0043

-

-

4th quartile

20.8 (19.66 to 21.96)

27 (24.86 to 29.13)

0.90 (0.76 to 1.06)

0.2097

-

-

Parity

      

Primips

20.4 (19.24 to 21.54)

25 (23.19 to 26.81)

1.25 (1.11 to 1.41)

0.0003

1.23 (1.09 to 1.39)

0.0007

Multips§

22.5 (21.54 to 23.50)

27 (25.99 to 28.01)

1†

-

1†

-

   ▪ 2nd births

20.0 (16.71 to 23.35)

18 (14.21 to21.79)

-

-

-

-

   ▪ 3rd births

22.4 (21.05 to 23.80)

27 (26.12 to 27.88)

-

-

-

-

   ▪ 4th births

23.5 (21.55 to 25.36)

27 (23.98 to 30.02)

-

-

-

-

   ▪ 5th births

22.6 (20.44 to 24.76)

27 (25.63 to 28.37)

-

-

-

-

   ▪ 6th - 9th births

22.4 (20.46 to 24.42)

29 (not calculated)

-

-

-

-

â–ª Mothers with nth birth;

(1 ≤ n ≤ 8)

-

-

1†

-

1†

-

   ▪ Mothers with (n+1)th birth

-

-

0.92 (0.89 to 0.96)

< 0.0001

0.93 (0.89 to 0.97)

0.0006

Mode of delivery

      

Vaginal

22.0 (21.15 to 22.88)

27 (25.72 to 28.28)

1†

-

-

-

â–ª Operative delivery

20.4 (18.95 to 21.92)

25 (23.15 to 26.85)

1.16 (1.01 to 1.32)

0.0307

-

-

   ▪ Caesarean

20.9 (19.10 to 22.71)

25 (23.18 to 26.82)

1.13 (0.96 to 1.31)

0.1336

-

-

   ▪ Instrumental

19.5 (16.88 to 22.03)

24 (19.67 to 28.32)

1.23 (0.98 to 1.53)

0.0523

-

-

  1. Φ Variables that did not significantly contribute to the fitness of the model were dropped hence no adjusted HRs were calculated for them.
  2. †Reference category.
  3. ΨChinese, Bangladeshi, other ethnic groups constituted "Others". This group is referred to in the text of this paper as other ethnic groups.
  4. §Birth order was entered in the Cox model as a continuous variable hence HRs were not reported for the sub-categories used for KM analyses.
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BMC Pediatrics

ISSN: 1471-2431

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