Table 1.

Description of the method of general population sample selection per study

Author (Ref.)	Study name	Country	Time period	Number of subjects, N	Age range	Sampling frame	Sample design	Response, %
Aumann et al. [10]	SHIP	Germany	2001–6	2830	25–88	Not specifieda	Multistage sampling	69
Bongard et al. [11]	MONA LISA	France	2006–7	4727	35–75	Electoral rolls	Age and sex stratified	Not given
Browne et al. [12]	SLAN	Ireland	2007	1098	45+	Other (Geo directory)	Multistage random sampling: by area and region	66
Capuano et al. [13]	VIP	Italy	1998–99 and 2008–9	2400	25–74	Electoral rolls	Age and sex stratified	Not given
Christensson et al. [14]	GAS	Sweden	2001–4	2815	60–93	Census	Stratified, age, sex and urban/rural location	60
Chudek et al. [15]	PolSenior	Poland	2007–11	3793	65+	Not specifieda	Not specifieda	32
Cirillo et al. [16]	Gubbio Population Study	Italy	Not specified	4574	18–95	Not specifieda	Not specifieda	Not givena
Codreanu et al. [17]	Early Detection and Intervention Program for Chronic Renal and Cardiovascular Disease in the Rep Moldova	Moldova	2006–7	973	18–77	Not specified	Not specified	Not given
De Nicola et al. [18]	CARHES	Italy	2008	4077	35–79	Electoral rolls	Age and sex stratified	45
Delanaye et al. [19]		Belgium	2008–9	1992	45–75	Not specified	Voluntary nature	Not given
Donfrancesco et al. [20]	MATISS	Italy	1993–96	2924	20–79	Electoral rolls	Age- and sex-stratified random sample	60
Formiga et al. [21]	Octabaix	Spain	2009	328	85	Not specifieda	Not specifieda	Not given
Fraser et al. [22]	HSE	England	2009–10	5799	16+	Other (address list)	Random two-stage sample	Not givena
Gambaro et al. [23]	INCIPE	Italy	2006	3629	40+	General practitioner list	Random sample	62
Gianelli et al. [24]	InChianti	Italy	1998–2000	676	65+	Not specified	Multistage stratified random sample	Not given
Goek et al. [25]	KORA	Germany	1999–1	1104	54–75	Not specified	Not specified	Not given
Gu et al. [26]	FLEMENGHO	Belgium	2005–10	797	18–89	Not specified	Not specified	78
Guessous et al. [27]	Swiss Study on Salt intake	Switzerland	2010–11	1145	15+	Other (phone directory)	Age- and sex-stratified random sample	10
Hallan et al. [28]	HUNT 2	Norway	1995–97	65 181	20+	Not specified	All inhabitants	70
Hernandez et al. [29]	IMAP	Spain	2007	2270	18–80	Not specifieda	Random sample	Not given
Juutilainen et al. [30]	FINRISK	Finland	2002 and 2007	11 277	25–74	Census	Age- and sex-stratified random sample	71 in men 74 in women
Lieb et al. [31]	MONICA/KORA	Germany	Not specified	1187	25–74	Not specified	Age- and sex-stratified random sample	71
Meuwese et al. [32]	Leiden 85 + study	Netherlands	1997–99	558	85	Not specified	All in birth cohort	87
Nitsch et al. [33]	BWHHS	UK	1999–2001	3851	60–79	Not specifieda	Random sample	60
Nitsch et al. [34]	SAPALDIA 2	Switzerland	1991 and 2002	6317	18+	Not specifieda	Random sample	73
Otero et al. [35]	EPIRCE	Spain	2004–8	2746	20+	Census	Age-, sex- and region-stratified random sample	43
Pani et al. [36]	SardiNIA study	Italy	2001–	4471	14–102	Not specifieda	Not specifieda	56
Pattaro et al. [37]	MICROS	Italy	2002–3	1199	18+	Not specifieda	Not specifieda	Not given
Ponte et al. [38]	CoLaus	Switzerland	2003–6	5921	35–75	Population registry	Random sample	41
Redon et al. [39]	PREV-ICTUS	Spain	2005	6419	60+	General practitioner lists	Random sample	72
Robles et al. [40]	HERMEX	Spain	Not specified	2813	25–79	Other (health-care system database)	Age- and sex-stratified random sample	83
Roderick et al. [41]	MRC Older Age Study	UK	1994–99	13 179	75+	General practitioner list	Practices stratified by mortality score and deprivation score	73
Rothenbacher et al. [42]	ActiFE Ulm	Germany	2009–10	1471	65+	Census	Random sample	20
Rutkowski et al. [43]	PolNef	Poland	2004–5	2476	n/a	Other (address list)	Random sample	26
Sahin et al. [44]		Turkey	2005	1079	18–95	Not specified	Age, sex and region stratified	Not given
Schaeffner et al. [45]	BIS	Germany	2011	570	70+	Not specifieda	Not specifieda	Not given
Scheven et al. [46]	PREVEND	The Netherlands	1997–98	8121	28–75	Not specified	All inhabitants	48
Stasevic et al. [47]		Kosovo + Metohia	2006	423	18+	Not specified	All inhabitants	43
Stengel et al. [48]	3C	France	1991–2001	8705	65+	Electoral rolls	Random sample	37
Suleymanlar et al. [49]	CREDIT	Turkey	Not specified	10 056	18+	Not specified	Age, sex and region stratified	Not given
Tavira et al. [50]	RENASTUR	Spain	2010–12	592	55–85	Not specified	Random sample	Not given
Van Pottelbergh et al. [51]	Crystal	Russia	2009	611	65–91	General practitioner list	All registered on list	66
Viktorsdottir et al. [52]	RHS	Iceland	1967–96	19 256	33–85	Not specified	All in birth cohort	Not given
Vinhas et al. [53]	PREVADIAB	Portugal	2008–9	5167	20–79	Other (universal health card)	Age, sex and region stratified	84
Wasen et al. [54]		Finland	1998–99	1246	64–100	Not specified	All residents born ≤1933	83
Wetmore et al. [55]		Iceland	2001–3	1630	18+	Not specified	Random sample	71
Zambon et al. [56]	ProV.A.	Italy	1995–97	3063	65+	Other (health district registries)	Age- and sex-stratified random sample	77 in men 64 in women
Zhang et al. [57]	ESTHER	Germany	2000–2	9806	50–74	General practitioners	All participants who underwent a general health check-up	Not given

N, Number of subjects with creatinine measurement; n/a, not applicable.

^aAuthors refer to previous publication.