Table 3.

Participant cohort demographics. The age, gender, family history of OA, past medical history and concomitant medication in the hand OA (OA1–OA13), and healthy controls (C1–C13) are shown.

Participant	Age	Sex	Occupation	PMH	Other nonanalgesic medication	Handed (R or L)	FH of OA	Duration of OA diagnosis (years)
OA1	57	F	Teacher	Carcinoma breast	Tamoxifen	R	Y	5
OA2	87	F	Retired clerical worker	Carcinoma breast	Aromatase inhibitor	R	Y	10
OA3	42	F	Cleaner	None	—	R	Y	1
OA4	53	F	Teacher	None	—	R	Y	3
OA5	75	F	Retired	None	—	R	Y	4
OA6	70	F	Lecturer	Hypertension	Antihypertensive	R	Y	10
OA7	49	F	Legal Assistant	None	—	R	N	5
OA8	67	F	Writer	Dyspepsia	Omeprazole	R	N	1
OA9	54	F	Management position	None	—	R	Y	8
OA10	71	F	Retired teacher	None	—	R	Y	15
OA11	41	F	Retired teaching assistant	None	—	R	Y	5
OA12	71	F	Retired librarian	Hypertension	Antihypertensive	R	Y	10
OA13	56	F	Special needs worker	None	—	R	Y	3
C1	52	F	Manager	Hypertension Hypothyroidism	Antihypertensive Thyroxine	R	Y	0
C2	47	F	Nurse	None	—	R	N	0
C3	63	F	Clerical worker	None	—	R	N	0
C4	52	F	Support worker	None	—	R	N	0
C5	55	F	Nurse	Hypothyroidism	Thyroxine	R	Y	0
C6	46	F	Secretary	None	—	R	N	0
C7	56	F	Receptionist	None	—	R	N	0
C8	51	F	Clerical worker	None	—	R	N	0
C9	55	F	Secretary	Hypertension Dyspepsia	Antihypertensive Lansoprazole	R	N	0
C10	50	F	Support worker	None	—	R	N	0
C11	57	F	Nurse	Hypothyroidism	Thyroxine	R	N	0
C12	58	F	Nurse	Disc protrusion	Paracetamol as required	R	N	0
C13	44	F	Nurse	None	—	R	N	0

PMH: past medical history, FH: family history.