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Table 1 Characteristics of the study sample according to infants' age at weaning

From: Breastfeeding and weaning practices among Hong Kong mothers: a prospective study

   Infants' age in months when breastfeeding was completely stopped
Characteristic Total
(N= 1317)
%
<1
(n= 483)
%
1 to <3
(n= 340)
%
3 to <6
(n= 140)
%
6 to <9
(n= 105)
%
9 to <12
(n= 84)
%
≥12
(n= 165)
%
Age,‡ y
   18-24 6.6 9.9 5.6 2.9 4.8 3.6 4.9
   25-29 22.9 24.8 23.5 19.3 21.0 22.6 20.6
   30-34 46.2 45.6 44.7 50.7 50.5 46.4 44.9
   ≥35 24.2 19.7 26.2 27.1 23.8 27.4 29.7
Parity†
   Primiparous 59.8 70.6 62.1 52.9 54.3 45.2 40.6
   Multiparous 40.2 29.4 37.9 47.1 45.7 54.7 59.4
Maternal education†
   Primary 3.6 2.7 1.8 1.4 4.8 7.1 9.1
   Compulsory secondary 20.3 20.9 19.7 20.0 21.9 23.8 17.0
   Upper secondary 37.4 48.2 33.8 26.4 30.5 28.6 31.5
   University degree 35.5 25.5 41.7 49.3 41.0 35.7 36.4
   Post-graduate degree 3.3 2.7 2.9 2.9 1.9 4.8 6.1
Monthly Family income (HKD)†ab
   < $10,000 8.7 6.8 6.4 11.3 6.9 12.2 16.1
   $10,000-14,999 13.7 12.9 12.5 12.8 18.8 18.3 13.6
   $15,000-$19,999 10.9 12.9 8.8 7.5 11.9 18.3 8.0
   $20,000-$24,999 11.6 15.0 12.2 6.0 8.9 8.5 8.6
   $25,000-$29,999 10.9 12.5 10.9 7.5 12.9 3.7 11.7
   => $30,000 44.2 40.1 49.2 54.9 40.6 39.0 42.0
Length of residence in Hong Kong†
   < 5 years 11.2 4.8 10.0 14.3 19.1 23.8 18.2
   ≥ 5 years 88.8 95.2 90.0 85.7 81.0 76.2 81.8
Mother planning to exclusively breastfeed†
   No 35.9 48.0 38.2 25.7 27.6 26.2 14.6
   Yes 64.1 52.0 61.8 74.3 72.4 73.8 85.5
Was mother breastfed†
   No 54.1 62.5 54.7 47.1 44.8 46.4 44.2
   Yes 45.9 37.5 45.3 52.9 55.2 53.6 55.8
Previous breastfeeding experience†
   No 66.4 79.1 67.9 58.6 59.1 50.0 46.1
   Yes 33.6 20.1 32.1 41.4 41.0 50.0 53.9
Husband feeding preference†
   Breastfeeding 61.7 50.7 60.3 70.7 75.2 71.4 75.8
   No preference 19.0 22.2 17.1 19.3 16.2 15.5 17.0
   Infant formula or mixed 19.3 27.1 22.7 10.0 8.6 13.1 7.3
Emergency caesarean section‡
   No 88.7 86.3 87.7 89.3 90.5 97.6 91.5
   Yes 11.3 13.7 12.4 10.7 9.5 2.4 8.5
Return to work post-partum†
   No 26.3 18.4 21.8 25.0 36.2 47.6 42.4
   Yes 73.7 81.6 78.2 75.0 63.8 52.4 57.6
  1. p < .05
  2. p < .001
  3. a 1 USD = 7.78 HKD
  4. c 36 participants had missing family income data