Table 1.

Selected Characteristics of 10 480 US Adults 20 Years of Age or Older, NHANES 2005–2008

Characteristic	Weighted % (95% CI)
Age group, y
20–39	37.8 (35.8–39.7)
40–64	38.9 (37.2–40.6)
≥65	23.3 (21.3–25.5)
Age, mean, y	46.7 (45.8–47.5)
Male sex	48.1 (47.3–48.9)
Race/ethnicity
Non-Hispanic white	70.6 (65.7–75.1)
Non-Hispanic black	11.4 (8.9–14.4)
Mexican American	8.2 (6.5–10.2)
Other	9.8 (7.9–12.2)
<High school	19.2 (17.1–21.4)
PIR
PIR <1	12.8 (11.4–14.2)
1 ≤ PIR <3	36.5 (34.0–39.1)
PIR ≥3	50.8 (47.4–54.1)
Currently working	65.7 (63.4–67.9)
Married or living with partner	64.8 (62.5–67.0)
Living alone	13.6 (12.5–14.7)
Uninsured	19.2 (17.2–21.4)
BMI^a
Normal weight or underweight	32.4 (30.8–34.0)
Overweight	33.6 (32.5–34.8)
Obese	34.0 (32.2–35.9)
Smoking status
Current smoker	23.4 (21.6–25.2)
Former smoker	24.5 (23.2–25.8)
Never smoked	52.2 (50.0–54.3)
Binge drinker^b	15.1 (14.0–16.3)
Self-rated fair or poor health	17.6 (16.2–19.1)
Hypertension^c	33.0 (31.4–34.6)
Diabetes^d	10.5 (9.5–11.6)
History of CVDs	7.0 (6.1–7.9)
History of cancer	8.6 (7.9–9.3)

Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); CVDs, cardiovascular diseases; NHANES, National Health and Nutrition Examination Survey; PIR, poverty to income ratio.

The BMI was divided into 3 groups: normal weight or underweight (BMI <25), overweight (BMI = 25 to <30), and obese (BMI ≥ 30).

Defined as having ever consumed 5 drinks or more of any kind of alcoholic beverage almost every day.

Defined as antihypertensive medication use or a reported blood pressure of 140/90 mm Hg or higher.

Defined as self-reported diabetes diagnosed by a health professional (all adults) or a hemoglobin A_1c level of 6.5% or greater (to convert to proportion of total hemoglobin, multiply by 0.01) (nonpregnant adults only).