重症监护病房入院后邮寄问卷调查负担对回复率和回答模式的影响：一项随机对照试验。
The effect of postal questionnaire burden on response rate and answer patterns following admission to intensive care: a randomised controlled trial.
作者信息
Hatch Robert, Young Duncan, Barber Vicki, Harrison David A, Watkinson Peter
机构信息
Kadoorie Centre for Critical Care Research and Education, University of Oxford, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, UK.
Registrar in Anaesthetics, Oxford Deanery, Oxford, UK.
出版信息
BMC Med Res Methodol. 2017 Mar 27;17(1):49. doi: 10.1186/s12874-017-0319-3.
BACKGROUND
The effects of postal questionnaire burden on return rates and answers given are unclear following treatment on an intensive care unit (ICU). We aimed to establish the effects of different postal questionnaire burdens on return rates and answers given.
METHODS
Design: A parallel group randomised controlled trial. We assigned patients by computer-based randomisation to one of two questionnaire packs (Group A and Group B).
SETTING
Patients from 26 ICUs in the United Kingdom.
INCLUSION CRITERIA
Patients who had received at least 24 h of level 3 care and were 16 years of age or older. Patients did not know that there were different questionnaire burdens. The study included 18,490 patients. 12,170 were eligible to be sent a questionnaire pack at 3 months. We sent 12,105 questionnaires (6112 to group A and 5993 to group B).
INTERVENTIONS
The Group A pack contained demographic and EuroQol group 5 Dimensions 3 level (EQ-5D-3 L) questionnaires, making four questionnaire pages. The Group B pack also contained the Hospital Anxiety and Depression Score (HADS) and the Post-Traumatic Stress Disorder Check List-Civilian (PCL-C) questionnaires, making eight questionnaire pages in total.
MAIN OUTCOME MEASURE
Questionnaire return rate 3 months after ICU discharge by group.
RESULTS
In group A, 2466/6112 (40.3%) participants responded at 3 months. In group B 2315/ 5993 (38.6%) participants responded (difference 1.7% CI for difference 0-3.5% p = 0.053). Group A reported better functionality than group B in the EQ-5D-3 L mobility (41% versus 37% reporting no problems p = 0.003) and anxiety/depression (59% versus 55% reporting no problems p = 0.017) domains.
CONCLUSIONS
In survivors of intensive care, questionnaire burden had no effect on return rates. However, questionnaire burden affected answers to the same questionnaire (EQ-5D-3 L).
TRIAL REGISTRATION
ISRCTN69112866 (assigned 02/05/2006).
背景
在重症监护病房（ICU）接受治疗后，邮寄问卷调查负担对回复率及所给出答案的影响尚不清楚。我们旨在确定不同邮寄问卷调查负担对回复率及所给出答案的影响。
方法
设计：平行组随机对照试验。我们通过计算机随机化将患者分配到两个问卷包之一（A组和B组）。
设置
来自英国26个ICU的患者。
纳入标准
接受至少24小时三级护理且年龄在16岁及以上的患者。患者不知道存在不同的问卷负担。该研究纳入了18490名患者。其中12170名符合在3个月时被发送问卷包的条件。我们发送了12105份问卷（A组6112份，B组5993份）。
干预措施
A组问卷包包含人口统计学和欧洲五维健康量表3级（EQ-5D-3L）问卷，共4页问卷。B组问卷包还包含医院焦虑抑郁量表（HADS）和创伤后应激障碍检查表（平民版）（PCL-C）问卷，总共8页问卷。
主要观察指标
按组分别统计ICU出院3个月后的问卷回复率。
结果
A组中，6112名参与者中有2466名（40.3%）在3个月时做出了回复。B组中，5993名参与者中有2315名（38.6%）做出了回复（差异为1.7%，差异的95%置信区间为0 - 3.5%，p = 0.053）。在EQ-5D-3L的行动能力（分别为41%和37%报告无问题，p = 0.003）和焦虑/抑郁（分别为59%和55%报告无问题，p = 0.017）领域，A组报告的功能状态优于B组。
结论
在重症监护幸存者中，问卷负担对回复率没有影响。然而，问卷负担影响了对同一问卷（EQ-5D-3L）的回答。
试验注册
ISRCTN69112866（于2006年5月2日分配）。
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