Quality Assessment of Data on Blood Pressure in the WHO MONICA Project

Table 7. Quality control during survey - self reports
+ = yes, - = no, QCS = Quality control score (see Section 6.2)
RUA Survey Last digit preference checked Measurer variation checked Regularity of checks QCS
AUS-NEWa Ini
Mid
Fin		 +
+
+		 +
+
+		 bimonthly
bimonthly
bimonthly		 2
2
2
AUS-PERa Ini
Mid
Fin		 -
+
+		 +
+
+		 bimonthly
bimonthly
bimonthly		 2
2
2
AUS-PERb Mid
Fin		 +
+		 +
+		 bimonthly
bimonthly		 2
2
BEL-CHAa Ini
Mid
Fin		 +
+
+		 -
-
-		 irregular
irregular
irregular		 1
1
1
BEL-GHEa Ini
Mid
Fin		 +
+
+		 -
-
-		 irregular
irregular
irregular		 1
1
1
BEL-LUXa Ini - intra-/inter+ irregular 0
CAN-HALa Ini
Fin		 -
+		 -
intra+/inter-		 never
bimonthly		 0
2
CHN-BEIa Ini
Mid
Fin		 +
+
+		 intra-/inter+
intra-/inter+
intra-/inter+		 semiannually
semiannually
semiannually		 1
1
1
CZE-CZEa Ini
Mid
Fin		 in one RU
in one RU
+		 in one RU
-
-		 bimonthly
continuously
bimonthly		 0
0
2
RUA Survey Last digit preference checked Measurer variation checked Regularity of checks QCS
DEN-GLOa Ini
Mid
Fin		 +
+
+		 +
intra+/inter-
intra+/inter-		 semiannually
semiannually
semiannually		 2
2
2
FIN-KUOa Ini
Mid
Fin		 +
+
+		 +
+
+		 bimonthly
bimonthly
weekly		 2
2
2
FIN-NKAa Ini
Mid
Fin		 +
+
+		 +
+
+		 bimonthly
bimonthly
weekly		 2
2
2
FIN-TULa Ini
Mid
Fin		 +
+
+		 +
+
+		 bimonthly
bimonthly
weekly		 2
2
2
FRA-LILa Ini
Fin		 +
+		 +
+		 semiannually
semiannually		 2
2
FRA-STRa Ini
Fin		 -
+1)		 +
+2)		 bimonthly
1)semiannually 2) bimonthly		 2
2
FRA-TOUa Ini
Mid
Fin		 -
+
+		 -
+
+		 never
controls 3 times
semiannually		 0
2
2
GER-AURa Ini
Mid
Fin		 +
+
+		 +
+
+		 bimonthly
bimonthly
bimonthly		 2
2
2
GER-AUUa Ini
Mid
Fin		 +
+
+		 +
+
+		 bimonthly
bimonthly
bimonthly		 2
2
2
RUA Survey Last digit preference checked Measurer variation checked Regularity of checks QCS
GER-BERa Ini
Mid		 -
-		 -
-		 never
never		 0
0
GER-BREa Ini
Mid
Fin		 +
+
+		 +
+
+		 semiannually
semiannually
semiannually		 2
2
2
GER-BREb Mid
Fin		 +
+		 +
+		 semiannually
semiannually		 2
2
GER-COTa Ini
Mid		 -
-		 -
-		 never
never		 0
0
GER-EGEb Ini
Mid
Fin		 -
-
-		 -
-
-		 never
never
never		 0
0
0
GER-ERFa Ini
Mid
Fin		 -
-
-		 -
-
-		 never
never
never		 0
0
0
GER-HACa Ini
Mid		 -
-		 -
-		 never
never		 0
0
GER-KMSa Ini
Mid		 -
-		 -
-		 never
never		 0
0
GER-RDMa Ini - - never 0
GER-RHNa Ini + + semiannually 2
HUN-BUDa Ini
Mid		 -
-		 +
+		 semiannually
semiannually		 1
1
HUN-PECa Ini
Mid		 -
-		 +
+		 semiannually
semiannually		 1
1
RUA Survey Last digit preference checked Measurer variation checked Regularity of checks QCS
ICE-ICEa Ini
Mid
Fin		 +
+
+		 +
+
+		 semiannually
semiannually
semiannually		 2
2
2
ISR-TELa Ini + - bimonthly 2
ITA-BRIa Ini
Mid
Fin		 +
+
+		 +
+
+		 bimonthly
bimonthly
bimonthly		 2
2
2
ITA-FRIa Ini
Mid
Fin		 +
+
+		 -
-
-		 bimonthly
bimonthly
bimonthly		 2
2
2
ITA-LATa Ini + - bimonthly 2
LTU-KAUa Ini
Mid
Fin		 +
+
+1)		 -
-
+2)		 bimonthly
bimonthly
1) bimonthly 2) semiannually		 2
2
2
MLT-MLTa Ini + + bimonthly 2
NEZ-AUCa Ini
Fin		 +
+1)		 intra-/inter+
intra-/inter+2)		 semiannually
1)semiannually 2) bimonthly		 1
1
POL-TARa Ini
Mid
Fin		 +
+
+		 +
+
+		 semiannually
semiannually
every day		 2
2
2
POL-WARa Ini
Mid
Fin		 -
-
+		 +
+
+		 semiannually
semiannually
semiannually		 1
1
2
RUA Survey Last digit preference checked Observer variation checked Regularity of checks QCS
ROM-BUCa Ini - + bimonthly 2
RUS-MOCa Ini
Mid
Fin		 +
+
+		 +
+
+		 bimonthly
semiannually
semiannually		 2
2
2
RUS-MOIa Ini
Mid
Fin		 +
+
+		 +
+
+		 bimonthly
semiannually
semiannually		 2
2
2
RUS-MOIb Ini + + bimonthly 2
RUS-NOCa Ini
Mid
Fin		 +
+
+		 -
-
-		 bimonthly
bimonthly
bimonthly		 2
2
2
RUS-NOCb Ini + - bimonthly 2
RUS-NOI Ini
Mid
Fin		 +
+
+		 -
-
-		 bimonthly
bimonthly
bimonthly		 2
2
2
SPA-CATa Ini
Mid
Fin		 +
+
+		 +
+
+		 semiannually
semiannually
semiannually		 2
2
2
RUA Survey Last digit preference checked Measurer variation checked Regularity of checks QCS
SWE-GOTa Ini
Mid
Fin		 -
+
+		 +
+
+		 semiannually
semiannually
semiannually		 1
2
2
SWE-NSWa Ini
Mid
Fin		 -
-
-		 -
-
-		 never
never
never		 0
0
0
SWI-TICa Ini
Mid
Fin		 -
-
+		 -
-
-		 never
never
once		 0
0
1
SWI-VAFa Ini
Mid
Fin		 -
-
+		 -
-
-		 never
never
once		 0
0
1
UNK-BELa Ini
Mid
Fin		 +
+
+		 +
+
+		 semiannually
semiannually
bimonthly		 2
2
2
UNK-GLAa Ini
Mid
Fin		 +
+
+		 +
+
+		 bimonthly
bimonthly
bimonthly		 2
2
2
USA-STAa Ini
Mid
Fin		 -
+
+		 -
+
+		 never
semiannually
semiannually		 0
2
2
YUG-NOSa Ini
Mid
Fin		 +
+
+		 +
+
+		 bimonthly
bimonthly
bimonthly		 2
2
2
RUA Survey Last digit preference checked Observer variation checked Regularity of checks QCS