Table 1.

Participant demographic characteristics

Characteristic	Australia n=85 (%)	France n=40 (%)	Republic of Korea n=29 (%)	All participants n=154 (%)
Participant status
Patient	61 (71)	36 (90)	24 (83)	121 (78)
Caregiver	24 (28)	4 (10)	5 (17)	33 (21)
Male	35 (41)	17 (43)	12 (41)	64 (42)
Age (years)
18–39	16 (19)	2 (5)	3 (10)	21 (14)
40–59	34 (40)	18 (45)	20 (69)	72 (47)
60–79	35 (41)	20 (50)	6 (21)	61 (40)
Highest level of education*
Primary school: grade 6	4 (5)	2 (5)	1 (3)	7 (5)
Secondary school: grade 10	18 (22)	8 (20)	2 (7)	28 (18)
Secondary school: grade 12	7 (8)	14 (35)	5 (17)	26 (17)
Tertiary: certificate/diploma	25 (30)	4 (10)	0 (0)	29 (19)
Tertiary: university degree	29 (35)	12 (30)	21 (72)	62 (41)
Employment
Full time	21 (25)	12 (30)	17 (59)	50 (32)
Part time or casual	17 (20)	4 (10)	3 (10)	24 16)
Not employed	11 (13)	0 (0)	4 (14)	15 (10)
Retired	28 (33)	19 (48)	2 (7)	49 (32)
Other (eg, income protection insurance)	8 (9)	5 (13)	3 (10)	16 (10)
Ethnicity
White	72 (85)	40 (100)	0 (0)	112 (73)
Asian	7 (19)	0 (0)	29 (100)	36 (23)
Other	6 (7)	0 (0)	0 (0)	6 (4)
CKD stage†
Predialysis	34 (56)	20 (56)	20 (83)	74 (61)
Dialysis	11 (18)	2 (6)	3 (13)	16 (13)
Transplantation	16 (26)	14 (39)	1 (4)	31 (26)
Age at diagnosis*† (years)
0–20	10 (16)	6 (17)	3 (13)	19 (16)
21–40	35 (57)	21 (58)	14 (58)	70 (58)
41–60	13 (21)	7 (19)	6 (25)	26 (21)
>60	3 (5)	2 (6)	1 (4)	6 (5)

*Missing data from two participants.

†Patient only (n=61; n=31; n=24).

CKD, chronic kidney disease.