Is the Information About a Doctor or Possibility of Choosing Doctor's Gender Associated With Attendance to Screening Colonoscopy: Randomized Study With Three Types of Invitations.
试验速览
- 阶段
- 早期 1 期
- 状态
- 已完成
- 入组人数
- 5,100
- 试验地点
- 2
- 主要终点
- Percentage of invitees attending screening colonoscopy in each invitation letter group
研究概览
简要总结
The purpose of the study is to investigate whether the information about a doctor or possibility to choose doctor's gender included in invitation letter is associated with attendance rate to screening colonoscopy.
详细描述
Study is performed as a part of NordICC (Clinical trials NCT 00883792) trial, which is intended to investigate the effect of screening colonoscopy on colorectal cancer incidence and mortality. NordICC trial is a multicenter, randomized study conducted in Norway, Sweden, Netherlands and Poland.
This study is designed to assess two factors potentially influencing patients attendance. These two factors are: identification of particular doctor performing examination and the possibility of choosing doctor's gender.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Screening
- 盲法
- None
入排标准
- 年龄范围
- 55 Years 至 64 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Individuals 55-64 years of age randomized to the screening arm of the NordICC trial in Poland
排除标准
- •previous open colorectal surgery
- •need for long term attention and nursing services (somatic or psychosocial reasons, mental retardation)
- •ongoing cytotoxic treatment or radiotherapy for malignant disease
- •severe chronic cardiac or pulmonary disease (NYHA III and IV)
- •lifelong anticoagulant treatment
- •coronary or cerebrovascular incident requiring hospitalization during the last three months
- •residence abroad
- •return of unopened letter of invitation and/or reminder, or message of death of the subject (not updated in Population Registry)
- •failure to provide written informed consent
- •screening colonoscopy within 10 years
结局指标
主要结局
Percentage of invitees attending screening colonoscopy in each invitation letter group
时间窗: 3 months from the primary assigned screening appointment date
次要结局
- Percentage of forms with consent for examination, sent back after invitation letter but before reminding letter. Differences in attendance between men and women depending on type of the invitation.(3 weeks after the date of invitation letter)