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National Longitudinal Study of Adolescent to Adult Health, Public Use Glucose Homeostasis Data, Wave IV

All frequencies are raw numbers (no weights used).

1) [Wave IV Measures of Glucose Homeostasis] Respondent Identifier (AID)

	N	Mean	Std.Deviation
TOTAL	5114	94263061.651	6312489

2) GLUCOSE (MG/DL) (GLUCOSE)

	N	Mean	Std.Deviation
TOTAL	4723	142.61	176

3) HEMOGLOBIN A1c (%) (HBA1C)

	N	Mean	Std.Deviation
TOTAL	4703	6.181	7

4) HbA1c INTER-CONVERSION FLAG (CONVERT)

	TOTAL	%
0) No conversion	4633	98.5
1) Converted FlexSite two to FlexSite one	33	0.7
2) Converted BIOSAFE to FlexSite two to FlexSite one	8	0.2
9) No result for HbA1c	29	0.6
Missing	411
TOTAL	4703	100.0

5) Hours since last ate (FASTTIME)

	N	Mean	Std.Deviation
TOTAL	5067	4.819	5

6) CLASSIFICATION OF FASTING GLUCOSE (C_FGLU)

	TOTAL	%
1) Glucose less than or equal to 99 mg/dl	334	7.1
2) Glucose 100-125 mg/dl -- Impaired Fasting Glucose (IFG)/pre-diabetes	353	7.5
3) Glucose greater than or equal to 126 mg/dl -- diabetes	67	1.4
4) Non-fasting	3740	79.2
5) Fasting status unknown	42	0.9
9) No result for glucose	187	4.0
Missing	391
TOTAL	4723	100.0

7) CLASSIFICATION OF NON-FASTING GLUCOSE (C_NFGLU)

	TOTAL	%
1) Glucose less than or equal to 199 mg/dl	3701	78.4
2) Glucose greater than or equal to 200 mg/dl -- diabetes	39	0.8
3) Fasting	754	16.0
4) Fasting status unknown	42	0.9
9) No result for glucose	187	4.0
Missing	391
TOTAL	4723	100.0

8) CLASSIFICATION OF HbA1c (C_HBA1C)

	TOTAL	%
1) HbA1c(%) less than or equal to 5.6	3134	66.6
2) HbA1c(%) 5.7-6.4 -- pre-diabetes	1339	28.5
3) HbA1c(%) greater than or equal to 6.5 -- diabetes	201	4.3
9) No result for HbA1c	29	0.6
Missing	411
TOTAL	4703	100.0