Table 2. User category and bag of words used for classification.
| Index | User category | Profile keywords–“bag of words” (Version 6) |
|---|---|---|
| 1 | Health institute | ICGPa; WHOb; NHSc; public health; ECDCd; HSEe; HPSCf; clinic; hospital |
| 2 | Health professional | health worker; GPg; consultant; nurse; MDh; specialist; physician; clinician; surgeon |
| 3 | University/Researcher | university; researcher; PhD; student; scientist; academic professor; academia; principal lecturer |
| 4 | Influencer | influencer; blogger; vlogger; coach; YouTube |
| 5 | Teacher | teacher; teach; school; education; children |
| 6 | Politician | politics; government; governor; cabinet; council; minister; councilor; ambassador; MP;i Secretary of state; Fine Gael; TDj; Mayor |
| 7 | Sports | football; rugby; run; swim; tennis; exercise; sports club; pickleball |
| 8 | Journalist | journalist; report; news; reporter; columnist; reviewer; media; correspondent; editor |
| 9 | Charity | charity; church; ngo; foundation; donations |
| 10 | Public | community; union; group; nature; lover; adventure; travel; live; life; world; freedom; farm; pet; cat; dog; walks |
| 11 | Known personality | views my own, “True” in verified status |
| 12 | Artist | artist; actor; actress; music; writer; singer; photography; movie; sing; play; cinema, orchestra |
a
ICGP: Irish College of General Practitioners.
b
WHO: World Health Organization.
c
NHS: National Health Service.
d
ECDC: European Centre for Disease Prevention and Control.
e
HSE: Health Service Executive
f
HPSC: Health Protection Surveillance Centre.
g
GP: General Practitioner.
h
MD: Doctor of Medicine.
i
MP: Member of Parliament.
j
TD: Teachta Dála.