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Table 1 Comparison of demographic variables of preterm infants in three groups

From: The effect of inhaling mother’s breast milk odor on the behavioral responses to pain caused by hepatitis B vaccine in preterm infants: a randomized clinical trial

Groups MBMO(A) Another mother BMO(B) Control(C) P value
Variable
Sex n(%)     0.562a
 Male 15 (50) 16 (53.3) 12 (40)  
 Female 15 (50) 14 (46.7) 18 (60)  
Infant’s age (hour) n(%)     0.112a
 24–48 16 (53.3) 12 (40) 20 (66.7)  
 48–96 14(46.7) 18 (60) 10 (33.3)  
Infant’s disease n(%)     0.943a
 RDS, Sepsis 3 (10) 4 (13.3) 3 (10)  
 VLBW 22 (73.3) 23 (67.7) 23 (67.7)  
 TTN 5 (16.7) 3 (10) 4 (13.4)  
Infant’s gestational age (WK)
(Mean ± SD)
32.9 ± 2.4 31.5 ± 2.1 32.5 ± 2.4 0.074b
Infant’s weight (g)
(Mean ± SD)
1806 ± 553 1620 ± 425 1688 ± 404 0.294b
Infant’sApgar score(Mean ± SD) 7.8 ± 1 7.6 ± 1.3 8.3 ± 0.9 0.071b
  1. achi2, bANOVA