Table 2

Baseline characteristics of women based on the 1,5-AG level quartile

First quartileSecond quartileThird quartileFourth quartile
N996996983966
1,5-AG (μg/mL)28.4 (4.3)21.0 (81.3)16.8 (1.2)11.3 (2.6)
1,5-AG (μg/mL) (minimum, maximum)23.5, 48.518.9, 23.414.7, 18.81.0, 14.6
Age (years)67.9 (6.8)67.6 (6.9)67.7 (7.0)68.6 (7.0)
BMI (kg/m2)22.5 (3.3)22.6 (3.1)22.6 (3.2)22.3 (3.2)
FPG (mg/dL)93.6 (7.1)93.8 (6.8)93.9 (6.9)94.2 (6.9)
30 min PG (mg/dL)146.1 (26.7)146.7 (26.5)147.2 (27.1)150.6 (31.5)
1-hour PG (mg/dL)133.5 (35.4)134.9 (34.9)137.1 (36.7)139.9 (39.9)
2-hour PG (mg/dL)108.8 (18.5)108.6 (18.8)108.4 (18.8)108.8 (19.9)
3-hour PG (mg/dL)91.8 (21.9)93.5 (22.1)94.2 (22.1)94.7 (21.9)
Δ30 min PG (mg/dL)52.4 (24.2)52.9 (24.4)53.3 (24.8)56.5 (29.4)
Δ1-hour PG (mg/dL)39.9 (33.2)41.1 (33.2)43.2 (34.7)45.7 (37.7)
FIRI (μU/mL)5.5 (0.1)5.5 (0.1)5.5 (0.1)5.3 (0.1)
HOMA-R1.28 (0.70)1.29 (0.74)1.29 (0.76)1.25 (0.77)
HbA1c (%)5.6 (0.3)5.6 (0.3)5.6 (0.3)5.6 (0.3)
Current smoker37 (3.7)31 (3.1)29 (3.0)31 (3.2)
Alcohol consumption
Non-drinker830 (83.3)813 (81.6)798 (81.2)771 (79.8)
0.1–30.0 g/day148 (14.9)164 (16.5)170 (17.3)183 (18.9)
Over 30.1 g/day18 (1.8)19 (1.9)15 (1.5)12 (1.2)
Radiation exposure status
Within 2.0 km151 (15.2)172 (17.3)166 (16.9)168 (17.4)
Over 2.0 km404 (40.6)390 (39.2)403 (41.0)  396 (41.0)
Early entrance491 (44.3)434 (43.6)414 (42.1)402 (41.6)
  • Data are shown as the mean (SD) or n (%).

  • 1,5-AG, 1,5-anhydroglucitol; BMI, body mass index; FIRI, fasting immunoreactive insulin; FPG, fasting plasma glucose; HbA1c, glycated hemoglobin; HOMA-R, homeostasis model assessment of insulin resistance; PG, plasma glucose.