International Journal of Hypertension / 2013 / Article / Tab 1

Research Article

Serum Cotinine Levels and Prehypertension in Never Smokers

Table 1

Baseline characteristics of the study population.

CharacteristicsMean values ± standard error (SE) or
Sample size (weighted percentages)

Total sample size2027
Women (%)1109 (53.8%)
Age (years)39.1 ± 0.5
Race/ethnicity (%)
 Non-Hispanic Whites773 (61.9%)
 Non-Hispanic Blacks452 (12.6%)
 Mexican Americans484 (11.4%)
 Others318 (14.1%)
Education categories (%)
 Below high school496 (15.3)
 High school467 (22.0)
 Above high school1064 (62.7)
Alcohol intake (%)
 Never drinker358 (14.9%)
 Former drinker376 (16.4%)
 Moderate drinker (1 or 2 drink/day)815 (46.0%)
 Heavy drinker (≥3 drinks/day)478 (22.7%)
Body mass index (%)
 Normal weight  (<25.0 kg/m2)647 (35.2%)
 Overweight  (25.0–29.9 kg/m2)709 (34.6%)
 Obese (>30.0 kg/m2)671 (30.2%)
Serum cotinine (ng/mL) (geometric mean)0.1 ± 0.01
Glycosylated hemoglobin (%)5.3 ± 0.02
Total cholesterol (mg/dL)195.9 ± 1.2
Systolic blood pressure, mmHg114.4 ± 0.3
Diastolic blood pressure, mmHg69.1 ± 0.3
Below poverty level (%)379 (12.2)
Prehypertension (%)734 (35.9)