Carpenter R E, Emery S J, Rassi D, Uzun O, Lewis M J
a College of Engineering, Swansea University , UK.
b Abertawe Bro Morgannwg University Health Board , Swansea , UK.
J Obstet Gynaecol. 2016;36(2):200-7. doi: 10.3109/01443615.2015.1049988. Epub 2015 Oct 14.
We share here our experience of recruiting pregnant women into an exercise intervention study. Recruitment challenges were anticipated owing to the study design, which required four hospital visits for cardiovascular assessment, a long-term (nine-month) commitment, and adherence to a 20-week exercise programme. Fifty-three women were assigned to one of three groups (no-exercise, land exercise or water exercise) using a 2 × 2 × 2 flexible randomisation design. Seven hundred forty-four women were screened at an antenatal clinic, of whom 501 were eligible to participate in the study. One hundred forty-five women were subsequently approached: 46 (32%) of whom agreed to participate, 42 (29%) were interested but then declined and 57 (39%) declined outright. Our study design helped recruit pregnant women as it allowed them some choice of group membership. We also noted that the participant-researcher relationship is important in reducing attrition. Our experience provides indications of likely recruitment and attrition rates for future randomised controlled trials of this type.
我们在此分享招募孕妇参与一项运动干预研究的经验。鉴于该研究设计，预计会面临招募方面的挑战，此设计要求孕妇进行四次医院就诊以进行心血管评估，需要长期（九个月）投入，并坚持一项为期20周的运动计划。采用2×2×2灵活随机化设计将53名女性分配到三个组之一（无运动组、陆地运动组或水上运动组）。在一家产前诊所对744名女性进行了筛查，其中501名符合参与该研究的条件。随后联系了145名女性：其中46名（32%）同意参与，42名（29%）表示感兴趣但随后拒绝，57名（39%）直接拒绝。我们的研究设计有助于招募孕妇，因为它允许她们在分组上有一定选择。我们还注意到参与者与研究人员之间的关系对于减少失访很重要。我们的经验为未来此类随机对照试验的可能招募率和失访率提供了参考。
