TABLE 1.
Characteristics of the study population according to diet at baseline
| High fiber | Low carbohydrate | p‐value | |
|---|---|---|---|
| (n = 91) | (n = 82) | ||
| Mean (SD) | Mean (SD) | ||
| Gender (n (%)) | |||
| Male | 20 (22.0) | 25 (30.5) | .203 |
| Female | 71 (78.0) | 57 (69.5) | |
| Diabetics (n (%)) | 14 (15.4) | 21 (25.6) | .095 |
| Nondiabetics (n (%)) | 77 (84.6) | 61 (74.4) | |
| Race (n (%)) | |||
| White | 51 (56.0) | 37 (45.1) | .024* |
| Black/African American | 22 (24.2) | 10 (12.2) | |
| Hispanic/Latino | 15 (16.5) | 29 (35.4) | |
| Other | 3 (3.3) | 6 (7.3) | |
| Age | 47.7 (10.2) | 49.1 (11.2) | .402 |
| Anthropometrics | |||
| Height (cm) | 165.1 (8.9) | 165.2 (8.4) | .965 |
| Weight (kg) | 100.3 (16.1) | 99.2 (14.0) | .998 |
| BMI (kg/m2) | 36.6 (3.8) | 36.3 (4.1) | .654 |
| Systolic blood pressure (mmHg) | 133 (16) | 137 (22) | .153 |
| Diastolic blood pressure (mmHg) | 89 (11) | 90 (14) | .739 |
| Waist (cm) | 111.6 (11.4) | 112.3 (11.4) | .712 |
| Hip (cm) | 119.3 (9.3) | 118.8 (9.2) | .713 |
| Lab values | |||
| Triglycerides (mg/dl) | 140 (79) | 140 (75) | .403 |
| Cholesterol (mg/dl) | 190 (34) | 189 (37) | .586 |
| HDL‐C (mg/dl) | 51 (12) | 50 (12) | .167 |
| LDL‐C (mg/dl) | 118 (32) | 121 (33) | .416 |
| Glucose (mg/dl) | 98 (30) | 106 (35) | .024* |
| HbA1c (%) | 5.6 (0.6) | 5.8 (1.0) | .147 |
| WBC (bil/L) | 6.74 (0.2) | 7.37 (0.3) | .109 |
| RBC (tril/L) | 4.77 (0.4) | 4.77 (0.5) | .857 |
| Hemoglobin (g/dl) | 13.6 (0.2) | 13.5 (0.2) | .83 |
| Hematocrit (%) | 40.9 (0.4) | 40.5 (0.4) | .731 |
| Platelets (bil/L) | 274 (8) | 283 (8) | .681 |
| Creatinine (mg/dl) | 0.8 (0.02) | 0.8 (0.02) | .834 |
| TSH (uIU/ml) | 2.244 (0.2) | 2.535 (0.2) | .241 |
| AST (U/L) | 27 (2) | 24 (1) | .425 |
| ALT (U/L) | 31 (3) | 32 (2) | .927 |
Values obtained at screening.
Abbreviations: ALT, alanine aminotransferase; AST, aspartate aminotransferase; bil/L, billions of cells per liter; BMI, body mass index; cm, centimeters; g/dl, grams per deciliter; HbA1c, hemoglobin A1c; HDL, high‐density lipoprotein; kg, kilograms; LDL, low‐density lipoprotein; m, meters; mg/dl, milligrams per deciliter; mmHg, millimeters of mercury; RBC, red blood cells; tril/L, trillions of cells per liter; TSH, thyroid‐stimulating hormone; U/L, units per liter; uIU/ml, micro‐IU per milliliter; WBC, white blood cells.
*
p‐value < .05.