Table 2.
Quartile 1 | Quartile 2 | Quartile 3 | Quartile 4 | Overall | |
---|---|---|---|---|---|
Events/Individuals at risk (n) | 105/590 | 95/590 | 85/590 | 63/589 | 348/2359 |
Incidence (per 1000 py)* | 14.0 | 13.3 | 12.2 | 10.5 | 12.6 |
HR vs. referent (95% CI), p Value | HR per doubling (95% CI), p Value | ||||
Model 1† | 1.00 (Ref.) | 0.99 (0.75 – 1.31) p=0.93 | 0.92 (0.68 – 1.24) p=0.59 | 0.82 (0.59 – 1.13) p=0.24 | 0.93 (0.85 – 1.01) p=0.10 |
Model 2‡ | 1.00 (Ref.) | 0.95 (0.71 – 1.26) p=0.71 | 0.93 (0.69 – 1.25) p=0.62 | 0.76 (0.54 – 1.07) p=0.11 | 0.91 (0.84 – 0.99) p=0.039 |
p=0.060 for trend across quartiles.
Adjusted by age, sex, race.
Adjusted by age, sex, race, body mass index, systolic blood pressure, antihypertensive medication, smoking status, alcohol consumption, and low density lipoprotein cholesterol.
CI=Confidence interval. HR=Hazard ratio. PY= Person-years.