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Table 3 Descriptive outcomes by HIV status: correct knowledge of infant feeding and infant feeding practices

From: Infant feeding knowledge and practice vary by maternal HIV status: a nested cohort study in rural South Africa

Correct feeding knowledge: early postnatal interview (n = 1693)a
Outcome Overall
N = 1680
Women not living with HIV
N = 895
Women living with HIV
N = 785
p - value*
n (%)d n (%)d n (%)d  
Individual questions
 Definition of exclusive breastfeedingb 1617 (96.2%) 848 (94.7%) 769 (98.0%) 0.001
 Infant feeding recommendations in generalc 1612 (96.0%) 857 (95.7%) 755 (96.2%) 0.778
 Infant feeding for women with HIVb 1391 (82.7%) 673 (75.0%) 718 (91.4%) <  0.001
 All responses missing 6 (0.4%) 4 (0.4%) 2 (0.3%)  
Total score <  0.001
 0–1 out of 3 correct 53 (2.3%) 36 (4.0%) 17 (2.2%)  
 2 out of 3 correct 296 (17.7%) 222 (25.0%) 74 (9.5%)  
 3 out of 3 correct 1331 (79.1%) 637 (71.0%) 694 (88.4%)  
Feeding practice: 6-week postnatal interview (n = 471)a
  Overall
n = 467
Women not living with HIV
n = 236
Women living with HIV
n = 231
p - value*
n (%)d n (%)d n (%)d  
     <  0.001
Exclusive breastfeeding 302 (64.5%) 156 (66.0%) 146 (63.0%)  
Mixed feeding 49 (10.5%) 42 (17.9%) 7 (3.0%)  
Not currently breastfeeding 112 (24.1%) 36 (15.3%) 76 (33.0%)  
Missing 4 (0.9%) 2 (0.9%) 2 (0.9%)  
  1. *Pearson’s Chi square test for difference between women living with HIV vs women not living with HIV
  2. a HIV status missing in n = 13 early postnatal interviews and n = 4 6-week postnatal interviews
  3. bMissing response in 8. Missing responses were coded as incorrect for the total score variable
  4. cMissing response in 6. Missing responses were coded as incorrect for the total score variable
  5. dProportions are adjusted for clustering by first attended antenatal clinic
  6. Not currently breastfeeding includes those who exclusively replacement fed their infants and those who ceased breastfeeding prior to the 6-week postnatal interview