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Table 3 Characteristics of N =2094 mothers who consented at Stage 1 and were Allocated ( n =698) or Not allocated a ( n =1396)

From: Recruiting and engaging new mothers in nutrition research studies: lessons from the Australian NOURISH randomised controlled trial

Variable b Allocated (n=698) Not allocated (n=1396) a Difference cpvalue
  Consented Did not Consent (n=885) Could not recontact (n=511)  
  Mean ± SD or %(n)  
Maternal age at delivery (years)d (n=2087) 30.1 ± 5.3 28.0 ± 5.5 26.2 ± 5.5 <.001
Maternal education (University degree)e (n=2078) 58 (406) 36 (311) 27 (137) <.001
Born in Australia/New Zealande 78 (542) 77 (667) 75 (376) .3
Married/Defactoe (n=2062) 95 (659) 90 (778) 83 (421) <.001
Intend to breastfeed exclusivelye (n=2088) 93 (652) 90 (794) 87 (441) <.001
Smoked during pregnancye (n=2081) 12 (85) 21 (185) 32 (164) <.001
  1. (n values) reflect missing data.
  2. a excluding an additional 75 participants who became ineligible.
  3. b based on data provided at Stage 1.
  4. c comparison between Allocated vs. Not allocated.
  5. d based on independent samples t test; Mean ± standard deviation (SD) reported.
  6. e based on likelihood ratio chi-square test; proportion % (count) reported.