Full
Outline
To systematically analyse the current status and methodological characteristics of discrete choice experiment (DCE) in colorectal cancer screening.
A scoping review was conducted following the PRISMA-ScR guidelines. Chinese and English databases were searched from inception to February 2025. Included studies were analysed in terms of attribute sources, attribute categories, attribute-setting methods, and experimental design.
A total of 40 studies were included. The number of publications showed an overall increasing trend, while relevant studies in mainland China remain lacking. Attribute development was mainly based on literature review combined with other methods. Attributes were classified into five categories, among which sensitivity, pre-screening preparation, and cost were the main preference attributes. Most studies included 4-6 attributes with 2-4 levels. In terms of experimental design, orthogonal and fractional factorial designs were most commonly used. Multinomial logit and mixed logit models were the main analytical methods. Some studies used multiple models or software for analysis.
Current DCE studies on colorectal cancer screening mainly adopt conventional designs and commonly used models, with relatively concentrated attribute settings. Future studies should strengthen local research and develop attribute systems suited to population needs, so as to provide a basis for demand-oriented screening strategies and to improve participation in primary-level screening.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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