Table 3—

ANCOVA on study variables by normal, IFG, and diabetes for adolescent and adult groups

VariablesNGLIFGDiabetesF valueP value
Adults aged ≥18 years (n = 585)
    n4767930
    BMI (kg/m2)20.14 (3.57)23.72 (4.38)23.50 (4.28)2.750.064
    Waist circumference (inches)27.29 (3.83)31.22 (4.82)31.57 (4.75)3.340.036
    Hip circumference (inches)32.80 (3.08)35.78 (3.73)36.17 (5.14)8.42<0.001
    WHR0.83 (0.07)0.87 (0.09)0.88 (0.10)2.650.07
    Thigh circumference (inches)16.35 (2.09)17.77 (2.62)17.50 (22.08)6.040.003
    Systolic blood pressure (mmHg)119.03 (18.53)123.47 (15.53)129.70 (22.08)1.570.208
    Diastolic blood pressure (mmHg)78.6 (13.81)82.5 (13.65)87.00 (15.79)2.870.057
    Knowledge score3.74 (2.40)4.70 (2.35)4.57 (2.28)5.220.006
    % calories from carbohydrates75.0 (25.98)73.36 (6.72)71.24 (7.01)4.670.010
    Carbohydrates (g)308.58 (112.0)341.34 (115.0)260.53 (78.9)6.130.002
    % calories from protein15.73 (2.05)15.62 (2.07)15.47 (1.71)0.2650.768
    Protein (g)64.70 (24.2)72.10 (22.8)56.55 (17.0)5.270.005
    % calories from fat4.10 (2.90)4.89 (3.06)5.90 (3.58)4.310.014
    Fat (g)17.20 (13.89)21.14 (12.89)23.07 (16.83)3.530.030
    Total calories (cal)1,647.9 (581.5)1,844.0 (538.3)1,475.0 (441.9)5.920.003
    Total fiber (g)6.06 (3.51)6.59 (3.30)7.74 (4.43)3.810.023
Youth aged <18 years (n = 118)
    n11260
    BMI (kg/m2)16.53 (2.45)17.66 (2.16)3.670.058
    Waist circumference (inches)22.7 (2.55)23.00 (3.28)0.0610.806
    Hip circumference (inches)28.11 (3.14)28.83 (4.16)0.3040.583
    WHR0.81 (0.06)0.80 (0.06)0.0990.753
    Thigh circumference (inches)14.53 (1.83)14.67 (2.33)0.4940.484
    Systolic blood pressure (mmHg)104.11 (10.94)101.00 (8.94)0.4640.495
    Diastolic blood pressure (mmHg)69.46 (8.68)71.67 (7.52)0.2200.640
    Knowledge score4.41 (1.93)6.17 (1.83)3.730.056
    % calories from carbohydrates74.13 (7.88)74.22 (6.40)0.0070.933
    Carbohydrates (g)260.87 (106.62)304.31 (113.37)0.6430.424
    % calories from protein14.98 (2.04)13.79 (1.68)1.990.160
    Protein (g)53.17 (23.04)56.71 (23.15)0.0480.827
    % calories from fat4.83 (4.01)5.32 (2.61)0.0570.812
    Fat (g)16.95 (14.67)19.75 (10.10)0.1540.695
    Total calories (cal)1,408.74 (548.06)1,621.83 (543.81)0.5660.454
    Total fiber (g)5.66 (3.95)6.31 (5.11)0.0780.781
  • Data are means (SD). n = 703.