TABLE 1

Baseline Characteristics of Mothers, Infants, and Households in the Control and BLISS Groups

VariableControl (n = 101)BLISS (n = 105)
Maternal age, y,a mean (SD)31.3 (6.2)31.3 (5.0)
Prepregnancy BMI,b mean (SD)25.6 (6.2)25.9 (6.3)
Maternal education
 School only29 (28.7)34 (32.4)
 Postsecondary19 (18.8)24 (22.9)
 University degree or diploma53 (52.5)47 (44.8)
Maternal employment
 Not employed33 (32.7)20 (19.0)
 Part time27 (26.7)36 (34.3)
 Full time41 (40.6)49 (46.7)
Parity
 First child42 (41.6)43 (41.0)
 2 children32 (31.7)43 (41.0)
 ≥3 children27 (26.7)19 (18.0)
Marital status
 Single9 (8.9)8 (7.6)
 Married or with partner92 (91.1)97 (92.4)
Maternal ethnicity
 New Zealand European and other85 (84.2)83 (79.0)
 Māori or Pacific10 (9.9)15 (14.1)
 Asian6 (5.9)7 (6.7)
Household deprivationc
 1–3 (low)29 (28.7)31 (29.5)
 4–749 (48.5)53 (50.5)
 8–10 (high)23 (22.8)21 (20.0)
Infant birth wt, g,d mean (SD)3534 (490)3517 (439)
Infant sexe
 Male53 (52.5)43 (41.0)
 Female47 (47.5)62 (59.0)
  • Data expressed as n (%) except where indicated.

  • a Data missing for 1 participant.

  • b Data missing for 7 participants.

  • c NZDep13 is the New Zealand Deprivation Score, a measure of household deprivation that ranges from 1 (least deprived) to 10 (most deprived).22

  • d Data missing for 9 participants.

  • e Data missing for 1 participant.