Table 1

Infant, maternal and partner characteristics

nControl
(n=209)
FAB
(n=205)
Sleep
(n=192)
Combination
(n=196)
Infant
 Gestation (weeks)80240.0 (1.3)40.0 (1.3)40.0 (1.2)40.0 (1.2)
 Birth weight (g)7953522 (484)3561 (482)3595 (461)3529 (493)
 Male, n (%)80298 (46.9)107 (52.2)110 (57.3)96 (49.0)
 Parity, median (IQR)8022 (1)2 (1)2 (1)2 (1)
 Ethnicity, n (%)801
  European162 (77.5)160 (78.4)147 (76.6)156 (79.6)
  Māori24 (11.5)19 (9.3)14 (7.3)18 (9.2)
  Pacific1 (0.5)5 (2.5)9 (4.7)5 (2.6)
  Asian10 (4.8)12 (5.9)15 (7.8)11 (5.6)
  MELAA*4 (1.9)2 (1.0)2 (1.0)3 (1.5)
  Other8 (3.8)6 (2.9)5 (2.6)3 (1.5)
Maternal
 Age80131.5 (5.0)32.1 (5.3)31.6 (5.2)31.0 (5.4)
 Ethnicity, n (%)801
  European177 (84.7)176 (86.3)161 (83.8)168 (85.7)
  Māori15 (7.2)9 (4.4)8 (4.2)14 (7.1)
  Pacific2 (1.0)3 (1.5)4 (2.1)4 (2.0)
  Asian9 (4.3)9 (4.4)14 (7.3)7 (3.6)
  MELAA*2 (1.0)2 (1.0)2 (1.0)2 (1.0)
  Other4 (1.9)5 (2.5)3 (1.6)1 (0.5)
 EPDS, median (IQR)7967.0 (5.5)7.0 (7.0)7.0 (6.0)6.0 (6.0)
  Education 793
  Year 11 or below14 (6.8)17 (8.4)18 (9.4)13 (6.7)
  Year 12 or 1341 (19.9)23 (11.3)30 (15.6)37 (19.2)
  Postsecondary29 (14.1)27 (13.3)29 (15.1)31 (16.1)
  University degree or higher122 (59.2)136 (67.0)115 (59.9)112 (58.0)
Partner
  Age57634.5 (6.1)34.3 (6.2)34.7 (6.1)34.2 (5.8)
 EPDS, median (IQR)5754.0 (4.0)4.0 (6.0)4.0 (5.0)4.0 (5.0)
Household
 Deprivation, n (%)794
  1–3 (low)74 (35.9)70 (34.5)65 (33.9)67 (34.7)
  4–7 (medium)93 (45.2)86 (42.4)84 (43.8)87 (45.1)
  8–10 (high)39 (18.9)47 (23.2)43 (22.4)39 (20.2)
 Income (NZD)§, n (%)728
  <$30 00020 (10.4)9 (4.8)11 (6.4)18 (10.3)
  $30000+ to $70 00080 (41.7)59 (31.4)61 (35.3)64 (36.6)
  >$70 00092 (47.9)120 (63.8)101 (58.4)93 (53.1)
  • Data presented as mean (SD) unless stated otherwise.

  • *MELAA refers to Middle Eastern, Latin American or African.

  • †Secondary schooling in New Zealand is from year 9 to 13 inclusive; postsecondary qualifications refer to all those that are non-university based.

  • ‡EPDS, Edinburgh Postnatal Depression Scale (0–30); higher score is worse.

  • §NZD, New Zealand dollars. $70 000 represents average annual household income in the region at the time of study.

  • FAB, food, activity and breastfeeding intervention.