Table 2

Outcomes immediately following intervention: item scores* for items differing by group

Randomised comparison
Breast pump groupHand expression groupp Value
BSES items and scale
 I can always comfortably breastfeed with my family members
present
3.2±1.33.8±1.20.058
 I can always know when to switch from one breast to the other3.2±1.22.6±1.30.080
 Total BSES3.4±0.83.4±0.70.994
BMEE items and scale
 I don't want anyone to see me (pumping/hand expressing)3.0±1.22.3±1.10.021
 The instructions for (using the pump/hand expressing) are clear4.1±0.94.5±0.50.036
 Total score, 11-item BMEE3.4±0.43.4±0.60.901
 Expressed milk volume (ml)2.9±7.70.8±1.40.136
 Weight change before feed to after feed (g)0.8±3.54.2±19.40.334
  • * Items scored on a 1–5 scale, from 1, strongly disagree to 5, strongly agree. p Values are for randomised assignment to breast pump compared to hand expression.

  • BMEE, breast milk expression experience; BSES, Breastfeeding Self-Efficacy Scale.