Table 1

Baseline characteristics of participants

MED diet (n = 112)PPT diet (n = 113)P valueAll
Age, years 50 (7) 50 (7) 0.51 50 (7) 
Sex     
 Female 63 (56) 69 (61)  132 (59) 
 Male 49 (44) 44 (39)  93 (41) 
Highest level of education achieved     
 Less than high school 1 (0.9) 3 (2.6)  4 (1.8) 
 High school 9 (8) 18 (15.9)  27 (12) 
 Professional 24 (21.4) 16 (14.2)  40 (17.8) 
 Graduate degree 31 (27.7) 32 (28.3)  63 (28) 
 Postgraduate degree 47 (42) 44 (39)  91 (40.4) 
HbA1c, % 5.9 ± 0.2 5.9 ± 0.2 0.13 5.9 ± 0.2 
FPG, mmol/L 6.33 ± 0.61 6.33 ± 0.78 0.9 6.33 ± 0.67 
Weight, kg 88.9 ± 17.4 87.4 ± 17 0.5 88.2 ± 17.2 
BMI, kg/m2 31.4 ± 6.2 31.2 ± 5.4 0.78 31.3 ± 5.8 
Waist circumference, cm 102.3 ± 13.0 102.2 ± 12.9 0.92 102.3 ± 12.9 
Total cholesterol, mmol/L 5.38 ± 1.11 5.51 ± 0.91 0.31 5.46 ± 1.01 
HDL cholesterol, mmol/L 1.34 ± 0.34 1.37 ± 0.31 0.55 1.34 ± 0.34 
LDL cholesterol, mmol/L 3.28 ± 0.96 3.36 ± 0.80 0.48 3.34 ± 0.88 
Triglycerides, mmol/L 1.66 ± 0.76 1.72 ± 0.88 0.55 1.69 ± 0.82 
Systolic blood pressure, mmHg 125.8 ± 17.9 125.4 ± 16.4 0.87 125.6 ± 17.1 
Diastolic blood pressure, mmHg 83.6 ± 9.7 83.3 ± 10.1 0.81 83.4 ± 9.9 
FLI 65.7 ± 28.1 66.2 ± 26.5 0.9 66.0 ± 27.2 
MED diet (n = 112)PPT diet (n = 113)P valueAll
Age, years 50 (7) 50 (7) 0.51 50 (7) 
Sex     
 Female 63 (56) 69 (61)  132 (59) 
 Male 49 (44) 44 (39)  93 (41) 
Highest level of education achieved     
 Less than high school 1 (0.9) 3 (2.6)  4 (1.8) 
 High school 9 (8) 18 (15.9)  27 (12) 
 Professional 24 (21.4) 16 (14.2)  40 (17.8) 
 Graduate degree 31 (27.7) 32 (28.3)  63 (28) 
 Postgraduate degree 47 (42) 44 (39)  91 (40.4) 
HbA1c, % 5.9 ± 0.2 5.9 ± 0.2 0.13 5.9 ± 0.2 
FPG, mmol/L 6.33 ± 0.61 6.33 ± 0.78 0.9 6.33 ± 0.67 
Weight, kg 88.9 ± 17.4 87.4 ± 17 0.5 88.2 ± 17.2 
BMI, kg/m2 31.4 ± 6.2 31.2 ± 5.4 0.78 31.3 ± 5.8 
Waist circumference, cm 102.3 ± 13.0 102.2 ± 12.9 0.92 102.3 ± 12.9 
Total cholesterol, mmol/L 5.38 ± 1.11 5.51 ± 0.91 0.31 5.46 ± 1.01 
HDL cholesterol, mmol/L 1.34 ± 0.34 1.37 ± 0.31 0.55 1.34 ± 0.34 
LDL cholesterol, mmol/L 3.28 ± 0.96 3.36 ± 0.80 0.48 3.34 ± 0.88 
Triglycerides, mmol/L 1.66 ± 0.76 1.72 ± 0.88 0.55 1.69 ± 0.82 
Systolic blood pressure, mmHg 125.8 ± 17.9 125.4 ± 16.4 0.87 125.6 ± 17.1 
Diastolic blood pressure, mmHg 83.6 ± 9.7 83.3 ± 10.1 0.81 83.4 ± 9.9 
FLI 65.7 ± 28.1 66.2 ± 26.5 0.9 66.0 ± 27.2 

Data are n (%) or mean ± SD. To convert HbA1c from DCCT units (%) to International Federation of Clinical Chemistry units (mmol/mol), subtract 2.15 and then multiply the result by 10.929. To convert FPG values from International System of Units (SI) (mmol/L) to conventional units (mg/dL), divide by 0.05551. To convert HDL, LDL, and total cholesterol values from SI units (mmol/L) to conventional units (mg/dL), divide by 0.02586. To convert triglyceride values from SI units (mmol/L) to conventional units (mg/dL), divide by 0.01129.

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