TABLE 1

Point Scoring System for the BAS

Characteristicsβ (95% CI)Pointsa
Maternal age, y−0.51 (−0.80 to −0.22)
 <210
 21–241
 >242
Previous breastfeeding experience−0.85 (−1.18 to −0.51)
 Failure0
 None1
 Success2
Latching difficulty−0.46 (−0.74 to −0.19)
 Every feeding0
 Half the feedings1
 <3 feedings2
Breastfeeding interval, every hour−0.33 (−0.67 to 0.00)
 >60
 3–61
 <32
No. of bottles of formula before enrollment−0.38 (−0.67 to −0.08)
 ≥20
 11
 02
Previous breast surgery0.46 (0.05 to 0.86)−2
Maternal hypertension during pregnancy0.32 (0.03 to 0.61)−2
Vacuum vaginal delivery0.48 (0.01 to 0.95)−2
Intercept1.36 (0.51 to 2.21)
  • a The BAS for a mother–infant pair is obtained by summing the points for each applicable characteristic (range, −6 to 10). Mother–infant pairs with a BAS <8 yielded a cessation rate of 21% within 7 to 10 d of birth in the original derivation cohort.9