Table 1.
Structural topic model results from 266,840 documents, March 11 2020 - December 14 2020, including the topic proportion and the top 10 words associated with each topic
| Expected Topic Proportions | Topics Title | Top 10 words |
|---|---|---|
| 0.1036 | Severity of COVID-19 | die, risk, life, normal, live, sick, yes, stop, stay, serious |
| 0.0941 | Hope for a swift end to the pandemic | long, term, hope, safe, next, available, wait, shot, pretty, rush |
| 0.0861 | Suspicion of science and mainstream media | believe, anti, tell, real, science, liter, bad, media, cure, trust |
| 0.0796 | Evidence based COVID-19 discussion | read, fact, understand, inform, clear, true, person, reason, post, evidence |
| 0.0702 | COVID-19 transmission rates and patterns | spread, population, herd, high, risk, rate, number, reduce, hospitalization, mortality |
| 0.0633 | Effect of the virus on the human body | common, system, response, human, influenza, body, cold, mutate, strain, similar |
| 0.0577 | Impact of pandemic on communities and hospitals | home, school, family, care, person, stay, live, learn, hospital, help |
| 0.0523 | Global effects of pandemic | world, country, public, global, travel, economy, social, govern, open, state |
| 0.0500 | COVID-19 vaccine trials and developments | data, phase, trial, clinic, safety, studies, drug, efficacy, severe, receive |
| 0.0478 | COVID-19 statistics | death, million, rate, dead, season, die, total, number, second, near |
| 0.0381 | Economy and markets | market, companies, stock, product, industry, supply, price, sell, demand, billion |
| 0.0376 | Federal policies | trump, president, nation, state, elect, administration, federal, house, unit, response |
| 0.0359 | Government aid and expenses | govern, money, free, pay, business, cost, spend, economy, system, support |
| 0.0325 | Long term effects of COVID-19 and related diseases | medical, damage, cancer, doctor, heart, polio, measles, harm, medicine, child, blood |
| 0.0310 | Black Lives Matter protests | game, watch, video, police, fire, sport, street, post, show, red |
| 0.0309 | COVID-19 vaccine conspiracy theories and misinformation | bill, world, power, human, war, russia, mark, control, chip, conspiracy |
| 0.0294 | COVID-19 research | research, link, studies, found, scientific, respiratory, science, paper, associate, article |
| 0.0291 | Masks and social distancing | wear, mask, social, protect, spread, face, public, hand, person, distance |
| 0.0160 | Racism on social media | chance, please, remember, pass, remove, black, message, thank, stick, attend |
| 0.0148 | Trump’s leadership | march, trump, perfect, control, disappear, march, anybody, fine, false, great |
Note: The topic proportions indicated the proportion of the corpus that belongs to each topic