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Table 1 AQUA cohort recruitment in antenatal clinics; 25 July 2011 to 31 July 2012

From: Study protocol: Asking QUestions about Alcohol in pregnancy (AQUA): a longitudinal cohort study of fetal effects of low to moderate alcohol exposure

  Clinic Clinic 1 Clinic 2 Clinic 3 Clinic 4 Clinic 5 Clinic 6 Clinic 7 Total
Women approached Participated and completed Questionnaire 1 242 190 99 563 472 478 106 2146
Did not participate (reason):         
Declined; too busy; not interested 136 91 185 127 235 412 52 1238
Consented, but never returned any questionnaires 93 82 95 197 174 156 88 889
Abstinent or no alcohol in lifetime* 65 29 0 62 87 207 7 457
Moving interstate/overseas; delivering elsewhere 5 0 2 5 5 40 1 58
Women not approached Over 18 weeks gestation 59 58 28 297 421 2797 133 3793
Less than 16 years of age 1 0 0 1 0 4 1 7
  Multiple pregnancy 11 0 1 23 47 6 1 89
  Not enough English** 124 75 187 333 253 610 42 1624
  Pregnancy not viable 2 0 1 0 0 7 0 10
  Missed in clinic 65 25 16 110 186 579 140 1121
  Already in other research 13 0 0 147 1 37 2 200
  Midwife decision not to approach 5 8 2 14 8 59 4 100
  Total 821 558 616 1879 1889 5392 577 11 732
  1. *recruitment of abstinent women ceased on April 12, 2012, when target number was achieved.
  2. **includes three pregnant women with either a hearing, vision or intellectual impairment.