TABLE 2

Descriptive Statistics of Exclusively and Nonexclusively Breastfeeding Infants

Time of Hospital Discharge (n = 797)Newborn Visit (n = 747)2-week Visit (n = 496)
Exclusively breastfedYesNoYesNoYesNo
Mean
 Time of circumcision(hours of life)29.031.2*29.430.429.630.7
 Birth weight (g)35243588*3546352735153558
 Maternal age (y)27.327.127.427.227.827.0
 Hospital stay (h)38.448.0**40.843.2*40.843.2
Frequency (%)
 Parity
  First child63.736.3**60.639.4*60.939.1
  ≥2 children69.930.1**67.532.6*66.333.7
 Race
  White73.126.9**71.628.4**69.031.0**
  Other58.541.5**53.946.1**56.433.6**
 Delivery method
  Vaginal delivery71.528.5**66.133.9*64.235.8
  Cesarean delivery51.948.1**57.942.1*62.437.6
 Military rank
  Officer70.929.166.333.777.622.4**
  Enlisted66.233.863.836.261.238.8**
 Active duty mother
  Yes60.839.2*57.142.9*57.342.7
  No69.130.9*66.633.4*66.034.0
 Presence of spouse
  Married, spouse present69.230.8*66.533.5*64.635.4**
  Single or spouse deployed55.844.2*51.448.6*41.358.7**
 Nursery complications
  None68.131.965.734.365.934.1
  Sepsis evaluation62.337.756.044.059.740.3
  Phototherapy54.345.761.838.238.161.9
  • * P < .05; ** P < .01.