Table 4.
A summary of the topics using group 3 tweets (ie, manually identified ED-irrelevant tweets posted by the potential ED users).
| Topic category | Population, n | Number of topics under each category | Representative topic themes | Coherence rate, n (%) |
| Negative emotions or attitude | 80 | 8 | Negative emotion; Pressure; Hate | 68 (85) |
| EDa behaviors | 70 | 7 | Restriction; Purging; Laxatives | 55 (79) |
| Body image | 50 | 5 | Hair; Appearance | 36 (72) |
| Exercise | 40 | 4 | Exercise | 26 (65) |
| Media | 30 | 3 | Entertainment; Music | 20 (67) |
| Self-harm | 20 | 2 | Self-harm | 17 (85) |
| Negative consequences | 20 | 2 | Mental health damage | 19 (95) |
| Communication | 20 | 2 | Seeking communication; Connection | 12 (60) |
| Weight loss | 20 | 2 | Weight loss; Concern about weight | 18 (90) |
| Positive emotions | 20 | 2 | Positive emotions; Encouraging | 14 (70) |
| Holidays | 20 | 2 | Christmas; Halloween | 15 (75) |
| Food and drink | 10 | 1 | Food and drink | 9 (90) |
| Social media | 10 | 1 | Social media | 8 (80) |
| Suicide | 10 | 1 | Desire for suicide | 9 (90) |
| Appreciation | 10 | 1 | Appreciation | 10 (100) |
| Sleep deprivation | 10 | 1 | Sleep deprivation | 10 (100) |
| Grocery or shopping | 10 | 1 | Grocery or shopping | 6 (60) |
| Intimate relationships | 10 | 1 | Intimate relationships | 7 (70) |
| School | 10 | 1 | Negative social reactions | 6 (60) |
aED: eating disorder.