Table 1.

Participant characteristics, clinical experience, and prescribing patterns.

	OVERALL COHORT (n = 179)	HIGH INCOME COUNTRIES (GROSS NATIONAL INCOME (GNI) PER CAPITA IN US DOLLARS $13,846 OR MORE) (n = 47)	UPPER MIDDLE-INCOME COUNTRIES (GNI $4,466USD TO $13,845) (n = 73)	LOWER MIDDLE-INCOME COUNTRIES (GNI $1,136USD TO $4,465) (n = 49)	LOW-INCOME COUNTRIES (GNI $1.135USD OR LESS) (n = 10)
Age, (n (%))
25 years or less	1 (1%)	1 (2%)	0	0	0
26–35years	55 (31%)	8 (17%)	19 (26%)	27 (56%)	1 (9%)
36–45 years	71 (40%)	14 (30%)	39 (53%)	14 (29%)	4 (36%)
46–55 years	30 (17%)	10 (21%)	11 (15%)	4 (8%)	5 (45%)
56–65 years	14 (8%)	10 (21%)	3 (4%)	1 (2%)	0
66+ years	8 (5%)	0	0	0	0
Gender, (n (%))
Male	111 (62%)	29 (62%)	40 (55%)	34 (69%)	8 (80%)
Female	68 (38%)	17 (36%)	33 (45%)	15 (31%)	2 (20%)
Non-binary/third gender	0	1 (2%)	0	0	0
Years practicing, median (IQR)	13 (8, 20)	18 (10, 30)	14 (10, 19)	9 (5, 15)	20 (16, 22)
Specialty, (n (%))
Cardiologist	40 (22%)	13 (28%)	8 (11%)	10 (20%)	9 (90%)
Endocrinologist	3 (2%)	0	3 (4%)	0	0
Family Practitioner	45 (25%)	27 (57%)	11 (15%)	7 (15%)	0
Geriatrician	52 (29%)	4 (9%)	21 (29%)	27 (56%)	0
Nephrologist	4(2%)	1 (2%)	3 (4%)	0	0
Anaesthetist	1 (1%)	0	1 (2%)	0	0
Emergency	1 (1%)	0	1 (2%)	0	0
General Medicine	10 (6%)	1 (2%)	7 (15%)	1 (2%)	1 (9%)
Internal Medicine	12 (7%)	0	9 (19%)	3 (6%)
Neurology	4 (2%)	0	4 (8%)	0
Neurosurgery	1 (1%)	0	1 (2%)	0
Rehab	3 (2%)	1 (2%)	2 (4%)	0
Rheumatology	3 (2%)	0	2 (4%)	1 (2%)
Patients per week, (n (%))
0–20	78 (44%)	26 (57%)	39 (53%)	8 (16%)	5 (50%)
21–40	45 (25%)	11 (24%)	19 (26%)	13 (27%)	2 (20%)
41–60	24 (13%)	5 (11%)	9 (12%)	9 (19%)	1 (10%)
61–80	13 (7%)	2 (4%)	2 (3%)	8 (17%)	1 (10%)
81–100	7 (4%)	1 (2%)	3 (4%)	2 (4%)	1 (10%)
100+	11 (6%)	1 (2%)	1 (1%)	9 (19%)	0
Considering your last working week, what percentage of the patients you saw were on the following antihypertensive regimens: [n; mean (IQR)]
Initial monotherapy	160; 28 (16, 39)	44; 29 (19, 42)	68; 29 (16, 43)	41; 27 (15, 34)	7; 24 (10, 35)
Single pill combination of two medicines	160; 22 (8, 30)	44; 20 (10, 27)	68; 15 (3, 21)	41; 31 (19, 39)	7; 46 (33, 52)
Single pill combination of three or more medicines	160; 8 (0, 11)	44; 10 (0, 18)	68; 6 (0, 8)	41; 9 (2, 10)	7; 11 (3, 16)
Two blood pressure lowering medicines separately	160; 26 (17, 35)	44; 26 (15, 40)	68; 30 (21, 37)	41; 22 (15, 29)	7; 16 (9, 23)
Three or more blood pressure lowering medicines separately	160; 16 (5, 23)	44; 15 (6, 21)	68; 20 (10, 30)	41; 12 (4, 21)	7; 3 (0, 5)
Thinking about the patients you saw last week on single drug monotherapy; what percentage are on each on the following: [n; mean (IQR)]
ACE inhibitor or ARB (Ramipril or telmisartan)	160; 33 (21, 38)	44; 38 (23, 55)	68; 32 (22, 33)	41; 28 (20, 36)	7; 32 (7, 22)
Dihydropyridine calcium channel blocker (amlodipine)	160; 31 (19, 42)	44; 28 (10, 29)	68; 29 (22, 41)	41; 36 (23, 45)	7; 29 (25, 60)
Thiazide-like diuretic (e.g. hydrochlorothiazide)	160; 10 (1, 15)	44; 7 (1, 17)	68; 13 (1, 10)	41; 9 (7, 15)	7; 7 (1, 8)
Loop diuretic (e.g. furosemide)	160; 6 (0, 10)	44; 5 (0, 9)	68; 6 (0, 12)	41; 6 (1, 8)	7; 11 (0, 3)
Beta blocker (e.g. atenolol. metoprolol)	160; 14 (7, 20)	44; 13 (5, 16)	68; 14 (8, 23)	41; 14 (7, 17)	7; 14 (8, 23)
Other blood pressure lowering medicine	160; 7 (1, 10)	44; 9 (1, 10)	68; 6 (0, 10)	41;7 (3, 10)	7; 7 (2, 8)