Table 4 Relative contribution of behavioral and clinical correlates to the variation of total bilirubin concentrations
From: Behavioral and clinical correlates of serum bilirubin concentrations in Japanese men and women
Variable (category or unit) | Contribution fraction (%)a | |
|---|---|---|
Men | Women | |
Fasting hour (< 4, 4–7 and ≥ 8 hours) | 7.3 | 10.2 |
Time of blood drawing (< 12, 12–14 and ≥ 14 hours) | 10.6 | 33.2 |
Season (winter/spring and summer/autumn) | 2.3 | 1.5 |
Smoking (never, past, < 15, 15–29 and ≥ 30 cigarettes/day) | 23.7 | 6.9 |
Alcohol intake (never, past, < 25, 25–49 and ≥ 50 g/day) | 7.9 | 3.2 |
BMI (< 22.5, 22.5–24.9, 25.0–27.4 and ≥ 27.5 kg/m2) | 1.2 | 1.6 |
Work-related activity (quartile of MET-hr/day) | 0.9 | 0.6 |
Leisure-time activity (quartile of MET-hr/week) | 0.3 | 1.1 |
Coffee (0, < 1, 1–3, 4–6 and ≥ 7 cups/day) | 5.7 | 6.8 |
Tea (< 1, 1–3, 4–6, 7–9 and ≥ 10 cups/day) | 0.8 | 0.1 |
Diastolic blood pressure (mmHg)b | 0.2 | 0.9 |
Antihypertensive drug (+/−) | 0.7 | 0.0 |
HbA1c (%)b | 1.0 | 3.1 |
Antidiabetic drug (+/−) | 0.0 | 0.3 |
HDL cholesterol (mg/dL)b | 2.5 | 10.1 |
Non-HDL cholesterol (mg/dL)b | 2.9 | 0.2 |
Cholesterol-lowering drug (+/−) | 2.1 | 0.6 |