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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: Acta Diabetol. 2017 Jan 9;54(4):373–381. doi: 10.1007/s00592-016-0958-6

Table 2.

Racial/ethnic specific data regarding prediabetes prevalence and laboratory measures over time. Overall data and data by race/ethnicity are adjusted for age and sex; by sex data are adjusted for age.

Diagnoses prevalence vs. time
Odds Ratio (95% CI)* 		Lab values vs. time
Mean Difference (95% CI)**
HbA1c prediabetes Fasting glucose prediabetes HbA1c Fasting glucose Fasting Insulin
(log-transformed)
Overall increasing
1.250
(1.159,1.348)		 no change
0.961
(0.919,1.004)		 increasing
0.017
(0.011,0.024)		 no change
−0.068
(−0.209,0.072)		 increasing
0.050
(0.036,0.064)
Males increasing
0.1.220
(1.112, 1.338)		 no change
0.960
(0.910,1.013)		 increasing
0.011
(0.002,0.020)		 no change
−0.113
(−0.283,0.057)		 increasing
0.052
(0.032,0.072)
Females Increasing
1.297
(1.147, 1.467)		 no change
0.963
(0.896,1.034)		 increasing
0.024
(0.016,0.0325)		 no change
−0.019
(−0.217,0.179)		 increasing
0.048
(0.030,0.067)
Non-Hispanic White increasing
1.296
(1.001,1.677)		 no change
0.929
(0.866,0.996)		 increasing
0.015
(0.005,0.024)		 no change
−0.145
(−0.324,0.035)		 increasing
0.048
(0.025,0.071)
Non-Hispanic Black increasing
1.190
(1.119,1.266)		 no change
1.009
(0.914,1.114)		 increasing
0.018
(0.009,0.027)		 no change
0.038
(−0.250,0.327)		 increasing
0.039
(0.020,0.059)
Hispanic increasing
1.291
(1.136,1.468)		 no change
1.003
(0.949,1.060)		 increasing
0.022
(0.013,0.030)		 no change
0.047
(−0.122,0.217)		 increasing
0.055
(0.037, 0.073)
*

Odds ratio comparing consecutive sampling periods. Values greater than 1 indicate an increase in rate of prediabetes; bold indicates statistical significance (p < 0.05).

**

Mean difference between two consecutive sampling periods. Values greater than 0 indicate a mean increase in measurements; bold indicates statistical significance (p < 0.05).