Characteristics | NHANES III 1988–1994 | NHANES 1999–2002 | ||||
---|---|---|---|---|---|---|
Hazard Ratio | 95% Confidence Interval | P-value | Hazard Ratio | 95% Confidence Interval | P-value | |
C-Reactive Protein (mg/dL) | ||||||
  < 0.22 mg/dLa | 1 |  |  | 1 |  |  |
 0.22–0.99 mg/dL | 1.01 | 0.81–1.26 | 0.90 | 0.94 | 0.55–1.59 | 0.80 |
  > 0.99 mg/dL | 1.49 | 1.04–2.13 | 0.03 | 1.49 | 0.92–2.42 | 0.10 |
Race/Ethnicity | ||||||
 Whitea | 1 |  |  | 1 |  |  |
 Black | 1.25 | 0.97–1.61 | 0.09 | 1.29 | 0.75–2.23 | 0.35 |
 Hispanics/Other | 0.90 | 0.61–1.34 | 0.61 | 1.30 | 0.64–2.64 | 0.46 |
Gender | ||||||
 Malea | 1 |  |  | 1 |  |  |
 Female | 0.68 | 0.54–0.87 | 0.003 | 0.52 | 0.27–0.99 | 0.047 |
Education | ||||||
 Below High Schoola | 1 |  |  | 1 |  |  |
 High School/Equivalent | 1.31 | 0.99–1.72 | 0.06 | 1.19 | 0.57–2.52 | 0.63 |
 Above High School | 1.17 | 0.79–1.74 | 0.41 | 0.73 | 0.31–1.68 | 0.44 |
Income Level | ||||||
 Lowa | 1 |  |  | 1 |  |  |
 Middle | 0.85 | 0.70–1.05 | 0.12 | 1.20 | 0.70–2.05 | 0.49 |
 High | 0.79 | 0.56–1.11 | 0.17 | 1.58 | 0.78–3.19 | 0.20 |
Occupation | ||||||
 Blue Collar, Semi-Routinea | 1 |  |  | 1 |  |  |
 White Collar and Professional | 0.89 | 0.60–1.32 | 0.54 | 0.73 | 0.40–1.31 | 0.28 |
 White Collar, Semi-Routine | 0.94 | 0.60–1.46 | 0.76 | 1.04 | 0.57–1.91 | 0.89 |
 Blue Collar, High Skill | 1.05 | 0.67–1.62 | 0.84 | 1.31 | 0.88–1.97 | 0.18 |
 Not Working | 1.34 | 0.78–2.30 | 0.28 | 0.91 | 0.26–3.11 | 0.87 |
Body Mass Index (kg/m2) | ||||||
 Underweighta | 1 |  |  | 1 |  |  |
 Normal | 1.40 | 0.73–2.67 | 0.31 | 1.71 | 0.33–8.86 | 0.51 |
 Overweight | 1.10 | 0.61–1.99 | 0.74 | 1.91 | 0.41–8.81 | 0.40 |
 Obese | 1.64 | 0.84–3.17 | 0.14 | 2.58 | 0.52–12.72 | 0.24 |
Smoking | ||||||
 Nevera | 1 |  |  | 1 |  |  |
 Former | 1.67 | 1.15–2.42 | 0.01 | 2.23 | 1.32–3.77 | 0.004 |
 Current | 3.86 | 2.87–5.18 | < 0.001 | 6.99 | 4.11–11.88 | < 0.001 |
Physical Activityb | ||||||
 About the Samea | 1 |  |  | 1 |  |  |
 Less Active | 1.15 | 0.86–1.53 | 0.35 | 1.15 | 0.57–2.32 | 0.68 |
 More Active | 0.69 | 0.55–0.85 | 0.001 | 0.87 | 0.47–1.62 | 0.65 |