TABLE 1.
Mean ± SD, or frequency (+ overall percentage; %) for demographic, health, and behavioral characteristics of the Microbiome and Insulin Longitudinal Evaluation Study participants.
| Demographics | |
|---|---|
| Age, y | 59.60 (9.07) |
| Sex, female, n (%) | 218 (62%) |
| Race | |
| African American, n (%) | 129 (37%) |
| Non-Hispanic White, n (%) | 224 (63%) |
| Education | |
| High school or less, n (%) | 33 (9%) |
| Some college, n (%) | 102 (29%) |
| College, n (%) | 122 (35%) |
| Postgraduate education, n (%) | 96 (27%) |
| Health factors | |
| BMI, kg/m2 | 28.30 (7.43) |
| Fasting glucose, (mg/dL) | 98.29 (10.92) |
| Fasting insulin, (μU/mL) | 11.63 (9.22) |
| Fasting C-peptide, (ng/mL) | 2.35 (1.14) |
| Insulin sensitivity index | 5.05 (3.69) |
| Insulin secretion | 0.44 (0.30) |
| Disposition index | 1.67 (0.90) |
| Health behaviors | |
| AMED score | 4.18 (1.86) |
| DASH score | 24.01 (4.50) |
| HEI score | 68.36 (10.58) |
| Average energy intake, kcals/d | 1825.72 (915.10) |
| Physical activity, MET-min | 2279.26 (2930.46) |
| Smoking status, current smoker, n (%) | 64 (18%) |
Abbreviations: AMED, a Mediterranean-style diet; DASH, Dietary Approaches to Stop Hypertension; HEI, Healthy Eating Index; MET-min, metabolic equivalent minutes; SD, standard deviation.