Table 1—

Baseline characteristics and reported macronutrient composition consumed by subjects assigned to a 60 vs. 40% carbohydrate diet

60% carbohydrate diet40% carbohydrate dietP
n2626
Age (years)54 ± 1049 ± 110.08
Sex (male/female)14/1212/140.48
Postmenopausal women [n (%)]9 (35)7 (27)0.56
Ethnicity (% Caucasian)92930.89
BMI (kg/m2)33.0 ± 2.432.3 ± 1.80.20
Weight (kg)95.1 ± 13.094.2 ± 12.30.80
SSPG (mg/dl)*227 ± 26247 ± 470.77
AUC glucose (mg · dl−1 · 8 h−1)*869 ± 88852 ± 980.53
AUC insulin (μU · ml−1 · 8 h−1)*435 ± 439459 ± 2560.82
Serum ALT (units/l)27.0 ± 10.429.0 ± 9.50.49
Carbohydrate (%)58 ± 442 ± 5<0.01
Protein (%)18 ± 218 ± 20.69
Total fat (%)23 ± 439 ± 5<0.01
Saturated fat (%)8 ± 29 ± 20.14
Monounsaturated fat (%)8 ± 213 ± 2<0.01
Polyunsaturated fat (%)4 ± 17 ± 20.01
Fiber (g)26 ± 623 ± 80.27
kcal/day1,699 ± 3341,595 ± 2620.24
  • Data are means ± SD unless otherwise indicated. P values were calculated using Student's unpaired t tests. Two women in each dietary group were taking hormone replacement therapy.

  • * P values for variables that are not normally distributed refer to analyses performed with logarithmically transformed data. Data in bold face are statistically significant.