Table 2: Open in new tab CKD prevalence...

		CKD-EPI 2012_(Scr-CysC)	CKD-EPI 2021_(Scr-CysC)^a
Overall	5386	678	14.7 (13.6–15.9)	506	11.3 (10.2–12.3)
Demographic characteristics
Age category*
50–64 years	3265	109	3.5 (2.8–4.1)	71	2.3 (1.8–2.8)
65–74 years	1428	240	17.6 (15.4–19.9)	180	13.6 (11.7–15.5)
75+ years	693	329	50.3 (46.3–54.3)	255	39.8 (35.8–43.8)
Sex*
Men	2505	278	11.5 (10.3–12.8)	220	9.4 (8.2–10.6)
Women	2881	400	17.8 (16.0–19.5)	286	13.1 (11.6–14.6)
Social and behavioural characteristics
Marital status*
Single (never married)	427	59	16.5 (12.4–20.6)	50	14.3 (10.8–18.7)
Married	3811	377	10.5 (9.3–11.6)	270	7.7 (6.8–8.8)
Separated/widow/divorced	1027	235	28.6 (25.3–31.8)	182	22.6 (19.7–25.9)
Living with partner as married	121	7	8.2 (1.3–15.0)	4	3.9 (1.4–10.5)
Education*
Primary	1376	285	23.6 (21.2–26.0)	224	18.6 (16.3–20.9)
Secondary	2221	246	10.3 (8.9–11.7)	187	7.8 (6.7–9.0)
Tertiary	1789	147	7.5 (6.2–8.8)	95	4.8 (3.8–5.8)
Current employment status*
Employed	2079	60	3.2 (2.3–4.0)	38	2.1 (1.4–2.7)
Unemployed	1271	184	17.2 (14.7–19.7)	127	12.5 (10.2–14.8)
Retired	1964	422	24.8 (22.6–27.1)	331	19.8 (17.7–21.9)
Unknown	72	12	18.5 (8.2–28.8)	10	16.4 (6.2–26.6)
Smoker**
Current	841	90	11.6 (9.1–13.9)	64	8.3 (6.2–10.3)
Never	2433	297	15.0 (13.1–16.9)	215	11.6 (9.9–13.2)
Past	2112	291	15.8 (13.9–17.5)	227	12.3 (10.7–13.8)
Health service utilization
Medical/GP card*
No	3050	146	4.5 (3.7–5.2)	92	3.0 (2.3–3.5)
Yes	2336	532	25.5 (23.5–27.5)	414	20.1 (18.2–21.9)
Hospital admission* (within the past 12 months)
No	4735	542	13.4 (12.2–14.6)	398	10.1 (9.0–11.1)
Yes	651	136	24.4 (20.8–28.0)	108	19.9 (16.5–23.4)

CKD-EPI 2012_(Scr-CysC)

CKD-EPI 2021_(Scr-CysC)^a

Total (N)

Cases (n)

CKD prevalence, % (95% CI)

Cases (n)

CKD prevalence, % (95% CI)

Overall

5386

678

14.7 (13.6–15.9)

506

11.3 (10.2–12.3)

Demographic characteristics

Age category*

50–64 years

3265

109

3.5 (2.8–4.1)

2.3 (1.8–2.8)

65–74 years

1428

240

17.6 (15.4–19.9)

180

13.6 (11.7–15.5)

75+ years

693

329

50.3 (46.3–54.3)

255

39.8 (35.8–43.8)

Sex*

Men

2505

278

11.5 (10.3–12.8)

220

9.4 (8.2–10.6)

Women

2881

400

17.8 (16.0–19.5)

286

13.1 (11.6–14.6)

Social and behavioural characteristics

Marital status*

Single (never married)

427

16.5 (12.4–20.6)

14.3 (10.8–18.7)

Married

3811

377

10.5 (9.3–11.6)

270

7.7 (6.8–8.8)

Separated/widow/divorced

1027

235

28.6 (25.3–31.8)

182

22.6 (19.7–25.9)

Living with partner as married

121

8.2 (1.3–15.0)

3.9 (1.4–10.5)

Education*

Primary

1376

285

23.6 (21.2–26.0)

224

18.6 (16.3–20.9)

Secondary

2221

246

10.3 (8.9–11.7)

187

7.8 (6.7–9.0)

Tertiary

1789

147

7.5 (6.2–8.8)

4.8 (3.8–5.8)

Current employment status*

Employed

2079

3.2 (2.3–4.0)

2.1 (1.4–2.7)

Unemployed

1271

184

17.2 (14.7–19.7)

127

12.5 (10.2–14.8)

Retired

1964

422

24.8 (22.6–27.1)

331

19.8 (17.7–21.9)

Unknown

18.5 (8.2–28.8)

16.4 (6.2–26.6)

Smoker**

Current

841

11.6 (9.1–13.9)

8.3 (6.2–10.3)

Never

2433

297

15.0 (13.1–16.9)

215

11.6 (9.9–13.2)

Past

2112

291

15.8 (13.9–17.5)

227

12.3 (10.7–13.8)

Health service utilization

Medical/GP card*

3050

146

4.5 (3.7–5.2)

3.0 (2.3–3.5)

Yes

2336

532

25.5 (23.5–27.5)

414

20.1 (18.2–21.9)

Hospital admission* (within the past 12 months)

4735

542

13.4 (12.2–14.6)

398

10.1 (9.0–11.1)

Yes

651

136

24.4 (20.8–28.0)

108

19.9 (16.5–23.4)

		CKD-EPI 2012_(Scr-CysC)	CKD-EPI 2021_(Scr-CysC)^a
Overall	5386	678	14.7 (13.6–15.9)	506	11.3 (10.2–12.3)
Demographic characteristics
Age category*
50–64 years	3265	109	3.5 (2.8–4.1)	71	2.3 (1.8–2.8)
65–74 years	1428	240	17.6 (15.4–19.9)	180	13.6 (11.7–15.5)
75+ years	693	329	50.3 (46.3–54.3)	255	39.8 (35.8–43.8)
Sex*
Men	2505	278	11.5 (10.3–12.8)	220	9.4 (8.2–10.6)
Women	2881	400	17.8 (16.0–19.5)	286	13.1 (11.6–14.6)
Social and behavioural characteristics
Marital status*
Single (never married)	427	59	16.5 (12.4–20.6)	50	14.3 (10.8–18.7)
Married	3811	377	10.5 (9.3–11.6)	270	7.7 (6.8–8.8)
Separated/widow/divorced	1027	235	28.6 (25.3–31.8)	182	22.6 (19.7–25.9)
Living with partner as married	121	7	8.2 (1.3–15.0)	4	3.9 (1.4–10.5)
Education*
Primary	1376	285	23.6 (21.2–26.0)	224	18.6 (16.3–20.9)
Secondary	2221	246	10.3 (8.9–11.7)	187	7.8 (6.7–9.0)
Tertiary	1789	147	7.5 (6.2–8.8)	95	4.8 (3.8–5.8)
Current employment status*
Employed	2079	60	3.2 (2.3–4.0)	38	2.1 (1.4–2.7)
Unemployed	1271	184	17.2 (14.7–19.7)	127	12.5 (10.2–14.8)
Retired	1964	422	24.8 (22.6–27.1)	331	19.8 (17.7–21.9)
Unknown	72	12	18.5 (8.2–28.8)	10	16.4 (6.2–26.6)
Smoker**
Current	841	90	11.6 (9.1–13.9)	64	8.3 (6.2–10.3)
Never	2433	297	15.0 (13.1–16.9)	215	11.6 (9.9–13.2)
Past	2112	291	15.8 (13.9–17.5)	227	12.3 (10.7–13.8)
Health service utilization
Medical/GP card*
No	3050	146	4.5 (3.7–5.2)	92	3.0 (2.3–3.5)
Yes	2336	532	25.5 (23.5–27.5)	414	20.1 (18.2–21.9)
Hospital admission* (within the past 12 months)
No	4735	542	13.4 (12.2–14.6)	398	10.1 (9.0–11.1)
Yes	651	136	24.4 (20.8–28.0)	108	19.9 (16.5–23.4)

Table 2:

Open in new tab

CKD prevalence by demographic and socio-behavioural characteristics of participants, based on CKD-EPI 2012_(Scr-CysC) and CKD-EPI 2021_(Scr-CysC).

		CKD-EPI 2012_(Scr-CysC)		CKD-EPI 2021_(Scr-CysC)^a
	Total (N)	Cases (n)	CKD prevalence, % (95% CI)	Cases (n)	CKD prevalence, % (95% CI)
Overall	5386	678	14.7 (13.6–15.9)	506	11.3 (10.2–12.3)
Demographic characteristics
Age category*
50–64 years	3265	109	3.5 (2.8–4.1)	71	2.3 (1.8–2.8)
65–74 years	1428	240	17.6 (15.4–19.9)	180	13.6 (11.7–15.5)
75+ years	693	329	50.3 (46.3–54.3)	255	39.8 (35.8–43.8)
Sex*
Men	2505	278	11.5 (10.3–12.8)	220	9.4 (8.2–10.6)
Women	2881	400	17.8 (16.0–19.5)	286	13.1 (11.6–14.6)
Social and behavioural characteristics
Marital status*
Single (never married)	427	59	16.5 (12.4–20.6)	50	14.3 (10.8–18.7)
Married	3811	377	10.5 (9.3–11.6)	270	7.7 (6.8–8.8)
Separated/widow/divorced	1027	235	28.6 (25.3–31.8)	182	22.6 (19.7–25.9)
Living with partner as married	121	7	8.2 (1.3–15.0)	4	3.9 (1.4–10.5)
Education*
Primary	1376	285	23.6 (21.2–26.0)	224	18.6 (16.3–20.9)
Secondary	2221	246	10.3 (8.9–11.7)	187	7.8 (6.7–9.0)
Tertiary	1789	147	7.5 (6.2–8.8)	95	4.8 (3.8–5.8)
Current employment status*
Employed	2079	60	3.2 (2.3–4.0)	38	2.1 (1.4–2.7)
Unemployed	1271	184	17.2 (14.7–19.7)	127	12.5 (10.2–14.8)
Retired	1964	422	24.8 (22.6–27.1)	331	19.8 (17.7–21.9)
Unknown	72	12	18.5 (8.2–28.8)	10	16.4 (6.2–26.6)
Smoker**
Current	841	90	11.6 (9.1–13.9)	64	8.3 (6.2–10.3)
Never	2433	297	15.0 (13.1–16.9)	215	11.6 (9.9–13.2)
Past	2112	291	15.8 (13.9–17.5)	227	12.3 (10.7–13.8)
Health service utilization
Medical/GP card*
No	3050	146	4.5 (3.7–5.2)	92	3.0 (2.3–3.5)
Yes	2336	532	25.5 (23.5–27.5)	414	20.1 (18.2–21.9)
Hospital admission* (within the past 12 months)
No	4735	542	13.4 (12.2–14.6)	398	10.1 (9.0–11.1)
Yes	651	136	24.4 (20.8–28.0)	108	19.9 (16.5–23.4)

		CKD-EPI 2012_(Scr-CysC)		CKD-EPI 2021_(Scr-CysC)^a
	Total (N)	Cases (n)	CKD prevalence, % (95% CI)	Cases (n)	CKD prevalence, % (95% CI)
Overall	5386	678	14.7 (13.6–15.9)	506	11.3 (10.2–12.3)
Demographic characteristics
Age category*
50–64 years	3265	109	3.5 (2.8–4.1)	71	2.3 (1.8–2.8)
65–74 years	1428	240	17.6 (15.4–19.9)	180	13.6 (11.7–15.5)
75+ years	693	329	50.3 (46.3–54.3)	255	39.8 (35.8–43.8)
Sex*
Men	2505	278	11.5 (10.3–12.8)	220	9.4 (8.2–10.6)
Women	2881	400	17.8 (16.0–19.5)	286	13.1 (11.6–14.6)
Social and behavioural characteristics
Marital status*
Single (never married)	427	59	16.5 (12.4–20.6)	50	14.3 (10.8–18.7)
Married	3811	377	10.5 (9.3–11.6)	270	7.7 (6.8–8.8)
Separated/widow/divorced	1027	235	28.6 (25.3–31.8)	182	22.6 (19.7–25.9)
Living with partner as married	121	7	8.2 (1.3–15.0)	4	3.9 (1.4–10.5)
Education*
Primary	1376	285	23.6 (21.2–26.0)	224	18.6 (16.3–20.9)
Secondary	2221	246	10.3 (8.9–11.7)	187	7.8 (6.7–9.0)
Tertiary	1789	147	7.5 (6.2–8.8)	95	4.8 (3.8–5.8)
Current employment status*
Employed	2079	60	3.2 (2.3–4.0)	38	2.1 (1.4–2.7)
Unemployed	1271	184	17.2 (14.7–19.7)	127	12.5 (10.2–14.8)
Retired	1964	422	24.8 (22.6–27.1)	331	19.8 (17.7–21.9)
Unknown	72	12	18.5 (8.2–28.8)	10	16.4 (6.2–26.6)
Smoker**
Current	841	90	11.6 (9.1–13.9)	64	8.3 (6.2–10.3)
Never	2433	297	15.0 (13.1–16.9)	215	11.6 (9.9–13.2)
Past	2112	291	15.8 (13.9–17.5)	227	12.3 (10.7–13.8)
Health service utilization
Medical/GP card*
No	3050	146	4.5 (3.7–5.2)	92	3.0 (2.3–3.5)
Yes	2336	532	25.5 (23.5–27.5)	414	20.1 (18.2–21.9)
Hospital admission* (within the past 12 months)
No	4735	542	13.4 (12.2–14.6)	398	10.1 (9.0–11.1)
Yes	651	136	24.4 (20.8–28.0)	108	19.9 (16.5–23.4)

^aRace-free GFR equation.

P-value calculated using chi-square test for categorical variables.

*P-value <.001, **P-value <.05 for both equations.

See Supplementary data, Table S1 for weighted and unweighted prevalence estimates.

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