Table 4.
Fasting Glucose Screening Categories at Visit 2 |
P Value | ||||||||
126–129 mg/dL (n = 186) |
130–134 mg/dL (n = 131) |
135–139 mg/dL (n = 82) |
≥140 mg/dL (n = 203) |
||||||
% | Mean (SD) | % | Mean (SD) | % | Mean (SD) | % | Mean (SD) | ||
Male | 50 | 54 | 56 | 42 | 0.12 | ||||
Age, years | 55 (6) | 54 (6) | 54 (6) | 54 (6) | 0.20 | ||||
Black race | 35 | 37 | 29 | 42 | 0.24 | ||||
High school graduate, yes | 70 | 70 | 74 | 72 | 0.65 | ||||
Body mass indexa | 30 (4.9) | 29.6 (5.1) | 29.7 (4.8) | 32.2 (6.3) | <0.001 | ||||
Waist/hip ratio | 0.96 (0.06) | 0.95 (0.07) | 0.97 (0.06) | 0.97 (0.07) | 0.01 | ||||
Metabolic syndrome, yes | 65 | 58 | 71 | 71 | 0.07 | ||||
Systolic blood pressure, mm Hg | 127 (18) | 126 (18) | 125 (16) | 129 (20) | 0.61 | ||||
Diastolic blood pressure, mm Hg | 75 (10) | 77 (12) | 78 (10) | 78 (12) | 0.05 | ||||
Blood glucose, mg/dL | 110 (8) | 111 (9) | 111 (8) | 112 (9) | 0.007 | ||||
Insulin, pmol/L | 109 (59) | 112 (66) | 119 (80) | 135 (75) | <0.001 | ||||
HDL cholesterol, mg/dL | 46 (13) | 48 (14) | 44 (14) | 45 (13) | 0.28 | ||||
Triglycerides, mg/dL | 143 (77) | 146 (102) | 169 (108) | 154 (80) | 0.06 | ||||
Parental history of diabetes, yes | 36 | 33 | 30 | 35 | 0.90 | ||||
Diabetes diagnosis conflicted at a subsequent visit | 63 | 46 | 37 | 17 | <0.001 |
Abbreviations: HDL, high density lipoprotein; SD, standard deviation.
Body mass index measured as weight (kg)/height (m)2.