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Variable

UK Data Service variable record for:

National Diet and Nutrition Survey Years 1-4, 2008/09-2011/12

Variable Details

VariableA1CRes
LabelHaemoglobin A1c (%) - Result Code
Responses
-50 No nurse visit/blood not taken 2511
-46 Not fasted as per protocol 0
-30 Incomplete results 0
-29 Not in rolling programme protocol 0
-28 Analysed - no reason available for no result 12
-25 No MPA added 0
-24 No consent 0
-23 Possible errors during RBC processing 0
-22 Sample not processed by lab 7
-21 Insufficient sample for analysis 1
-20 Unknown reason 1
-19 Undetectable 0
-18 No homocysteine result for young children 0
-16 Not analysed for ages 1.5 to 6 0
-15 Blood sample clotted 7
-14 Red Cell Folate/Serum Folate analysis pending 0
-10 Interfering substances 0
-9 Lipaemic samples 0
-8 Incorrect label 48
-7 Technical problems 2
-6 Too many freeze-thaw cycles 0
-5 Haemolysed blood sample 0
-4 Blood sample lost at HNR/ADDX/IGER 0
-3 Blood sample lost in transfer 7
-1 Incomplete blood volume 57
1 Result obtained 1503
2 Notional result 0
DisclaimerPlease note that these frequencies are not weighted.
LocationNational Diet and Nutrition Survey Years 1-4, 2008/09-2011/12
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We are supported by the University of Essex, University of Manchester, Jisc, UCL and University of Edinburgh. We are funded by UKRI through the Economic and Social Research Council.