Table 6.
Dimensions of analysis grid
| Dimension | Meaning |
|---|---|
| Profile | Identifiable by the profile's user name or by the name given by Instagram.1 |
| URL | Profile location via web browser. |
| Category | According to the study of Saboia et al., 2018. |
| Quantity of Followers | Number of followers, as a function of Instagram. |
| Name | Name given by the Opinion Leaders for the challenge. |
| Objectives | Weight loss, muscle mass gain, or maintaining weight. |
| Behaviour to follow | List of behaviour to follow within the challenge. |
| Duration (days) | Number of days that the Opinion Leader designates for the challenge. |
| Producer | Challenges that the Opinion Leader conceives alone or with the participation of others. When this does not occur, the Opinion Leader is considered to be a challenge promoter. This category appeared as a result of the analysis, as described above . |
| Specific Hashtag | Hashtag that is associated to the challenged referred to by the Opinion Leader. |
| Quantity of Posts | Quantity of posts associated to the Hashtag of a specific challenge (considered for only once when more than one challenge was associated to the same hashtags). |
| Top Posts | Analysis of content associated to the Top Posts of hashtags of a specific challenge. The analysis categories were based on the analysis of these posts, as described below. |
| Support artefacts | Technology used, such as a closed group on Facebook. |
| Content | Types of content promoted by Opinion Leaders via technological media, subcategorised into: food information, shopping lists, recipes, substitutions, exercise types, daily tasks, motivational types, and goals to achieve. |
| Wider ranging hashtags | The Opinion Leader uses a set of hashtags of wider scopes. |
| Neknomination | Tag friends to see or participate in the challenge. |
| Enrolled challenge | A challenge which requires enrolment to participate and access associated content (this category emerged as a result of the analysis). |
| Paid challenge | A challenge that involved payment to participate (this category emerged as a result of the analysis). |
| Prizes | Prizes for participants that stood out. |
| Components | If there are guidelines related to eating, physical exercise or psychological-cognitive aspects, such as habits, motivation, attitudes etc. |
| Habits (Rothman et al., 2009) | When the Opinion Leader refers to habits. This category was analysed in posts, Top Posts, and stories associated with the challenge. |
| Model (Bandura, 1977) | When the Opinion Leader presents themselves as a model to be followed, referring to their behaviour, presenting their body and their process of achieving the required goals. This category was analysed in posts, Top Posts, and stories associated with the challenge. |
| Behavioural theories (Bartholomew et al., 2006) | Behavioural theories referred by Opinion Leader for challenge. |