Table 1—

Baseline CVD risk factors among adults at risk for CVD. By diabetes status, Sleep Heart Health Study 1995–1998 (N = 4,872)

CharacteristicDiabetes (n = 470)No diabetes (n = 4,402)Mean Difference (95% CI)*P
Age (years)64.1 ± 10.062.1 ± 10.62.1 (1.1–3.1)<0.001
Gender (% female)54.055.70.49
Ethnicity (%)
 White49.882.7
 African American8.75.7
 American Indian37.25.5
 Asian0.91.5
 Hispanic3.44.6<0.001
BMI (kg/m2)31.3 ± 6.028.1 ± 5.13.2 (2.7–3.7)<0.001
Waist circumference (cm)
 Males106.5 ± 15.2100.5 ± 14.36.0 (3.9–8.0)<0.001
 Females107.6 ± 15.593.4 ± 15.114.2 (12.1–16.1)<0.001
Neck circumference (cm)39.5 ± 4.337.5 ± 4.22.4 (2.0–2.8)<0.001
Total cholesterol (mg/dl)197 ± 44207 ± 38−10 (−14 to −6)<0.001
HDL cholesterol (mg/dl)43 ± 1352 ± 16−9 (−10 to −7)<0.001
Triglycerides (mg/dl)188 ± 146143 ± 9644 (35–54)<0.001
Ever a smoker (%)53.352.30.66
Hypertension (%)67.045.3<0.001
  • Data are % for categorical variables and mean ± SD for continuous variables.

  • *

    * For continuous variables (mean among diabetes versus mean among non-diabetics).

  • P are for the χ2 test of independence for categorical variables or the t test of differences in means for continuous variables.