Table 1.

Baseline demographics and characteristics of responders and nonresponders.

Demographic characteristics	Responders (n = 578), n (%)	Nonresponders (n = 134), n (%)	Overall population (N = 712), n (%)
Race/ethnicity	n = 573	n = 131	n = 704
White	525 (91.6)	118 (90.1)	643 (91.3)
Asian	29 (5.1)	7 (5.3)	36 (5.1)
American Indian or  Alaska Native	7 (1.2)	1 (0.8)	8 (1.1)
Black, of African   heritage/African   American	4 (0.7)	2 (1.5)	6 (0.9)
Other	8 (1.4)	3 (2.3)	11 (1.6)
Ethnicity	n = 466	n = 109	n = 575
Non Hispanic	463 (99.4)	108 (99.1)	571 (99.3)
Hispanic	3 (0.6)	1 (0.9)	4 (0.7)
Smoking status	n = 550	n = 124	n = 674
Smoker	136 (24.7)	16 (12.9)	152 (22.6)
Ex-Smoker	190 (34.5)	44 (35.5)	234 (34.7)
Nonsmoker	224 (40.7)	64 (51.6)	288 (42.7)
Age (years)	n = 563	n = 134	n = 697
Missing	15	0	15
Mean ± SD	52 ± 12	53 ± 12	53 ± 12
Median	53	54	53
Range	[18–99]	[25–86]	[18–99]
Systolic blood   pressure (mm Hg)	n = 570	n = 134	n = 704
Mean ± SD	133 ± 14	132 ± 15	133 ± 14
Median	130	130	130
Diastolic blood   pressure (mm Hg)	n = 566	n = 133	n = 699
Mean ± SD	83 ± 10	82 ± 10	82 ± 10
Median	80	80	80
Height (cm)	n = 510	n = 125	n = 635
Mean ± SD	176 ± 8	176 ± 8	176 ± 8
Median	176	176	176
Weight (kg)	n = 527	n = 126	n = 653
Mean ± SD	94 ± 15	93 ± 15	94 ± 15
Median	94	92	93
BMI (kg/m2)	n = 510	n = 125	n = 635
Mean ± SD	31 ± 4	30 ± 4	31 ± 4
Median	31	30	31
Waist circumference (cm)	n = 541	n = 123	n = 664
Mean ± SD	107 ± 12	106 ± 13	107 ± 12
Median	106	105	106
Abdominal obesitya	n = 543	n = 123	n = 666
	353 (65)	78 (63.4)	431 (64.7)
Elevated blood pressureb	n = 545	n = 120	n = 665
	322 (59.1)	56 (46.7)	378 (56.8)
Metabolic syndromec	n = 557	n = 126	n = 683
	283 (50.8)	62 (49.2)	345 (50.5)
Type 2 diabetes	n = 574	n = 132	n = 706
	116 (20.2)	35 (26.5)	151 (21.4)
Type 1 diabetes	n = 557	n = 126	n = 683
	8 (1.4)	3 (2.4)	11 (1.6)
Reduced HDL-Cd	n = 490	n = 105	n = 595
or drug treatment  for reduced HDL-C	243 (49.6)	47 (44.8)	290 (48.7)
Elevated triglyceridese	n = 491	n = 109	n = 600
	209 (42.6)	51 (46.8)	260 (43.3)

BMI, body mass index; HDL-C, high-density lipoprotein cholesterol; SD, standard deviation.

^aClassified as: Waist circumference ≥102 cm (non-Asian men) and ≥90 cm (Asian men).

^bClassified as: Systolic blood pressure ≥130 mm Hg or diastolic blood pressure ≥85 mm Hg, or drug treatment for hypertension.

^cPresence of metabolic syndrome based on 3 criteria (modified NCEP ATP III criteria [32]).

^d<40 mg/dL or 1.03 mmol/L.

^e≥150 mg/dL or 1.7 mmol/L.