Table 2 Details of the identified variables
From: A study on users’ preference towards diabetes-related video clips on YouTube
Variable | Definition | Variable type | Data type |
|---|---|---|---|
Number of views | Number of views of a video | Exposure | Numeric |
Positive attitude | Number of likes of a video | Dependent | Numeric |
Negative attitude | Number of dislikes of a video | Dependent | Numeric |
Post period | Number of days a video exists since the video was created | Independent | Numeric |
Video duration | Length of a video clip measured by seconds | Independent | Numeric |
Presenter’s gender | Gender of presenters in a video clip (e.g. female, male, etc.) | Independent | Categorical |
Presentation setting | The place where the presentation in a video clip takes place (e.g. office, home, natural setting, etc.) | Independent | Categorical |
Presenter role | Presenters’ role in a video clip (e.g. reporter, medical professional, parent, etc.) | Independent | Categorical |
Media type | Types of presentation in terms of its source (e.g. TV news, public service announcement, user-generated video, etc.) | Independent | Categorical |
Subject1/2/…/n | Subjects of a video clip in terms of its content | Independent | Categorical |