Table 1.

Baseline Characteristics of Participants

CharacteristicMP
(n = 74)
EP
(n = 71)
Maternal age (yrs)*29.7 (5.6)28.4 (4.9)
Social class 1 + 2 [n (%)]25 (34)21 (30)
“A” levels or higher professional qualification [n (%)]26 (34)23 (33)
Living with partner [n (%)]70 (95)66 (93)
Number of previous live births (%)
 044 (60)43 (61)
 120 (27)23 (32)
 29 (12)4 (6)
 31 (1)1 (1)
Number of children breastfed (%)
 054 (75)53 (75)
 113 (18)16 (23)
 25 (7)2 (3)
Used breast pump previously [n (%)]11 (15)11 (16)
Mode of delivery [n (%)]
 Vaginal30 (41)35 (49)
 Elective caesarean36 (49)29 (41)
 Emergency caesarean8 (11)7 (10)
Singleton pregnancy [n (%)]61 (82)64 (90)
Twin pregnancy [n (%)]12 (16)7 (10)
Triplet pregnancy [n (%)]1 (1)
Infant characteristics (singletons)
 Birthweight (g)*1357 (540)1305 (565)
 Gestation (wk)*29.4 (3.0)29.1 (3.3)
 Males [n (%)]32 (53)35 (55)
  • MP indicates manual pump; EP, electric pump.

  • * Mean (SD).