Table 2.

Descriptive Statistics and High-Risk Cut Point Values for Individual Biomarkers and the Multi-System Allostatic Load Score

Systems and Representative Biomarkers	N	M	SD	High-risk Cut Point
Cardiovascular System
Resting SBP (mmHg)	850	130.82	17.51	≥143.00
Resting DBP (mmHg)	850	75.05	10.29	≥82.00
Resting Heart Rate (bpm)	849	70.22	11.03	≥77.00
Metabolic – Lipids System
Waist-to-Hip Ratio	849	.89	.10	≥.97
Triglycerides (mg/dL)	845	133.29	80.37	≥160.00
HDL Cholesterol (mg/dL)	845	55.00	17.38	≤41.37
LDL Cholesterol (mg/dL)	845	107.47	35.40	≥128.00
Metabolic – Glucose Metabolism System
Glycosylated Hemoglobin (HbA1c)	840	5.97	.88	≥6.10
Fasting Glucose (mg/dL)	841	100.29	24.42	≥105
Insulin Resistance (HOMA-IR)	841	3.26	3.54	≥4.05
Inflammation System
CRP (mg/L)	840	2.58	3.77	≥3.18
IL6 (pg/mL)	845	2.59	2.41	≥3.18
Fibrinogen (mg/dL)	840	337.08	80.77	≥390.00
sE-Selectin (ng/MI)	845	41.08	20.95	≥50.58
sICAM-1 (ng/MI)	845	282.51	96.45	≥329.65
Sympathetic Nervous System
Urine Epinephrine (ug/g creatine)	837	2.00	1.25	≥2.54
Urine Norepinephrine (ug/g creatine)	842	27.20	12.45	≥33.33
Hypothalamic Pituitary Adrenal Axis
Urine Cortisol (ug/g creatine)	842	17.09	27.93	≥21.00
Blood DHEA-S (ug/dL)	849	105.97	76.20	≤51.00
Parasympathetic Nervous System
SDRR (msec)	795	35.01	17.13	≤23.54
RMSSD	795	21.53	16.92	≤11.83
Low-frequency Spectral Power	795	424.23	614.32	≤113.96
High-frequency Spectral Power	795	276.59	716.79	≤54.16
Allostatic Load Sum Score	845	2.13	1.20