Table 2.
List of modeled and merged topics.
| Topics | Number of messages, n (%) | Number of users, n (%) | Group |
| Prediagnosis medical consultations | 4752 (2.39) | 2095 (5.66) | Medical consultations |
| Examinations for diagnostic purposes | 3183 (1.60) | 1283 (3.47) | Medical consultations |
| Postdiagnosis medical consultations | 2795 (1.41) | 1422 (3.84) | Medical consultations |
| Medical examinations | 6852 (3.45) | 4013 (10.85) | Medical consultations |
| Diet | 12,802 (6.44) | 4727 (12.78) | Diet |
| Food and IBSa | 2211 (1.11) | 988 (2.67) | Diet |
| Abdominal pain and nausea | 12,385 (6.23) | 6939 (18.76) | Symptoms—abdominal pain |
| Abdominal pain | 8370 (4.21) | 4130 (11.17) | Symptoms—abdominal pain |
| Gastroesophageal reflux disease | 2001 (1.01) | 672 (1.82) | Symptoms—GERDb |
| Gastroesophageal reflux disease and heartburn | 6202 (3.12) | 2337 (6.32) | Symptoms—GERD |
| IBSa | 2538 (1.28) | 1061 (2.87) | Symptoms—Digestion |
| Digestion | 12,521 (6.30) | 5290 (14.30) | Symptoms—Digestion |
| Digestive disorders in children | 4520 (2.27) | 2216 (5.99) | Symptoms—Digestion |
| Impact on everyday life | 8628 (4.34) | 3672 (9.93) | Quality of life |
| Everyday life | 16,176 (8.13) | 5902 (15.96) | Quality of life |
| Medication efficiency | 6240 (3.14) | 2825 (7.64) | Treatments |
| Information about the treatments | 1561 (0.78) | 856 (2.31) | Treatments |
| Stress and symptoms | 5679 (2.86) | 2971 (8.03) | Stress and symptoms |
aIBS: irritable bowel syndrome.
bGERD: gastroesophageal reflux disease.