TableĀ 3

Proportion of individuals with and without specific International Classification of Diseases, ninth revision (ICD-9) diagnoses who use related health terms on Facebook

ICD-9 diagnosis codeTerms searchedn (%) of patients with diagnosis who used termn (%) of patients without diagnosis who used term
Abdominal pain (789)Abdominal pain, stomach pain, belly pain, tummy pain, stomach hurts, belly hurts, tummy hurts, tummyache, stomachache, bellyache81 (21)21 (8)*
Nausea/vomiting (787)Nausea, vomiting, vomit, throwing up, spitting up, threw up, puke, puked, vomited101 (29)69 (22)*
Headache (339 and 784.0)Headache, migraine, head hurts141 (59)192 (46)*
Pain in limb (729.5)Leg hurts, arm hurts, finger hurts, toe hurts5 (3)5 (1)
Urinary tract infection (599.0)UTI, urinary tract infection1 (1)4 (1)
Back pain (724.1, 724.2, 724.3, 724.4 and 724.5)Back pain, backache, back hurts29 (15)51 (11)
Cough (786.2)Cough, coughing, coughed40 (26)109 (22)
Normal delivery (V27.0)Giving birth, gave birth62 (33)148 (10)*
Anaemia (280, 281, 282, 283, 284 and 285)Anaemia3 (2)2 (0)*
Dizziness (780.4)Dizzy, dizziness, vertigo28 (22)79 (15)
Asthma (493)Asthma36 (28)36 (7)*
Acute upper respiratory tract infection (465)Caught a cold, have a cold7 (7)24 (4)
Throat pain (784.1)Sore throat, throat hurts26 (24)62 (11)*
Depression (311)Depression, depressed35 (38)169 (30)
  • *p<0.05.