Table 1—
Selected Topic Categories with Associated Features and Accuracy of Topic Modeling
| Topic Groups | Topic categories (Topic Index) | Representative key words | Question example | Number of correctly matched (accuracy) | Representative supplements |
|---|---|---|---|---|---|
| Uses & adverse effects | Gastrointestinal disorders (65) | constipation, laxative, fiber, enema, suppository, constipate, dulcolax, docusate, insoluble, poop, saline, fleet, along with, bum, fecal | Want to take magnesium for health, but it irritates my IBS? Does anyone have any advice for taking Mg? | 10 (100%) | Magnesium, Senna, Castor, Probiotics, Glycerin |
| Musculoskeletal disorders (93) | arthritis, bracelet, rheumatoid, knee, magnetic, anabolic, steroid, juvenile, sheet, gout, rheumatism, mattress, wonderfully, bangle, supplemental | Is hyaluronic acid supplement safe for children with juvenile rheumatoid arthritis? | 10 (100%) | Copper, Fish Oil, Vitamin D | |
| Psychiatric Disorders (11) | john, anxiety, depression, wort, htp, antidepressant, calm, social, root, 5htp, sam, tryptophan, zoloft, ssri, withdrawal | Is there alternative solution for anxiousness. I’d like to know is if anybody has any feedback on Buspar, Kava root, Passion flower & St. John’s wort? | 10 (100%) | Valerian, St. John’s Wort, SAM-e | |
| Respiratory, thoracic/mediastinal disorders (1) | remedy, throat, sore, home, lemon, salt, hot, cure, natural, gargle, warm, epsom, voice, soothe, homeopathic | How can I soothe my sore throat? I have been drinking warm tea with honey & gargle some salt water but it doesn’t work. | 9 (90%) | Honey, Ginger, Vitamin C, Garlic | |
| Skin & subcutaneous tissue disorders (23) | skin, face, acne, wash, foot, hand, red, spot, itchy, facial, cream, wrinkle, mask, oily, swell | What are some natural ways to get rid of pimples (home remedies)? I have heard about Aloe | 10 (100%) | Apple cider vinegar, Fish oil, Honey, Tea tree oil | |
| Cardiovascular/blood & lymphatic system disorders (2) | blood, level, low, pressure, high, normal, cholesterol, , cause, heart, disease, diagnose, raise, thin, flow | Does anyone know about an alternative medicine way of treating high blood pressure? I have heard of l-arginine to be effective. | 9 (90%) | Iron, Fish Oil, Sodium | |
| Endocrine disorders (68) | thyroid, hypothyroidism, synthroid, levothyroxine, hypothyroid, gut, patient, syndrome, leaky, radioactive, testimony, underactive, iodide, success, advisable | Are there natural alternatives after having radioactive iodine treatment for Graves’ disease? | 10 (100%) | Iodine, Kelp, Vitamin D | |
| Infections & infestations (31) | infection, yeast, bladder, antibiotic, treat, kill, bite, mannose, parasite, mosquito, coat, douche, poultice, intestinal, frequent | Home remedies for yeast infections? I have heard where diluted apple cider vinegar in a bath tub could provide temporary relief | 10 (100%) | Cranberry, Garlic, Apple Cider Vinegar, | |
| Pregnancy, puerperium/perinatal conditions (40) | control, birth, period, pregnancy, pregnant, miscarriage, irregular, headache, hormone, tension, 1st, abortion, fertility, defect, endometriosis | Is it safe to drink penny royal tea along with parsley tea to induce a miscarriage? | 10 (100%) | Vitamin C, Iron, Dong Quai | |
| Dental & gingival conditions (124) | pot, tooth, eliminate, desperate, prune, brush, resistant, walnut, wisdom, piss, neti, dentist, dependency, swish, tonsillitis | I am getting my wisdom teeth out & I would like to know if clove oil will help in pain in my gums? | 10 (100%) | Apple Cider Vinegar, Silver, Garlic, Clove | |
| Addiction | Smokables (21) | smoke, weed, marijuana, cigarette, legal, pipe, bowl, roll, tobacco, illegal, bud, blunt, smoker, kush, hash | What is the difference between Salvia-A & Salvia divinorum? I smoked salvia divinorum | 10 (100%) | Damiana, Catnip, Mullein, Salvia divinorum, Kratom, Clove |
| Product-related | Dose/dose form/preparation (43) | mcg, 1000, complex, omega, 5000, 2000, 2500, multiple, adult, 2000iu, standardize, milligram, cla, strength, gnc | Is the dose of vitamin A 2500 IU? Why can I not find that in a supplement? | 10 (100%) | Biotin, Vitamin D, Vitamin C, Fish Oil, Vitamin B12, Folic Acid, Vitamin A |
| Sleep disorder | Sleeping (50) | fall, asleep, 2am, cry, couch, 3am, deaf, sleeper, category, pulmonary, carpet, regardless, proportion, haven’t, recreational | Need more info about Melatonin? I have trouble falling asleep | 8 (80%) | Melatonin, Valerian |
| Frequency/Time | Frequency/Time reference (9) | even, month, since, may, though, well, always, never, pretty, end, fine, mean, without, course, quite | Chromium supplements... do they work? I have been taking them for a few weeks now | 7 (70%) | Iron, Vitamin D, Cranberry |
| Health life style | Weight control (19) | weight, lose, gain, loose, berry, cardio, primarily, weight, workout, lift, shed, cambogia, underweight, usda | Would it be safe to take a weight loss pill with the supplements? | 9 (90%) | Acai, Apple Cider Vinegar, Honey, Garcinia, |