Table 4.
Association of physical activity across MET-minutes/week categories with mortality
| MET-minutes/week | % (events/total) | Hazard ratio (95% confidence interval) |
||
|---|---|---|---|---|
| Unadjusted | Age-sex-race-adjusted | Multivariable-adjusted* | ||
| All-cause mortality | ||||
| 0 | 59 (286/489) | 1.00 (Reference) | 1.00 (Reference) | 1.00 (Reference) |
| 1–499 | 48 (703/1458) | 0.73 (0.64–0.84); p<0.001 | 0.82 (0.71–0.94); p=0.005 | 0.89 (0.77–1.02); p=0.094 |
| 500–999 | 43 (471/1086) | 0.60 (0.52–0.70); p<0.001 | 0.69 (0.59–0.80); p<0.001 | 0.79 (0.68–0.92); p=0.002 |
| ≥1000 | 39 (966/2470) | 0.50 (0.44–0.57); p<0.001 | 0.59 (0.51–0.67); p<0.001 | 0.67 (0.59–0.77); p<0.001 |
| P trend# | <0.001 | <0.001 | <0.001 | <0.001 |
| Cardiovascular mortality | ||||
| 0 | 28 (136/489) | 1.00 (Reference) | 1.00 (Reference) | 1.00 (Reference) |
| 1–499 | 19 (270/1458) | 0.59 (0.48–0.73); p<0.001 | 0.67 (0.54–0.82); p<0.001 | 0.76 (0.62–0.94); p=0.011 |
| 500–999 | 17 (181/1086) | 0.49 (0.39–0.61); p<0.001 | 0.56 (0.45–0.70); p<0.001 | 0.72 (0.57–0.91); p=0.006 |
| ≥1000 | 16 (390/2470) | 0.43 (0.35–0.52); p<0.001 | 0.50 (0.41–0.61); p<0.001 | 0.65 (0.52–0.79); p<0.001 |
| P trend# | <0.001 | <0.001 | <0.001 | 0.001 |
| Non-cardiovascular mortality | ||||
| 0 | 31 (149/489) | 1.00 (Reference) | 1.00 (Reference) | 1.00 (Reference) |
| 1–499 | 29 (429/1458) | 0.86 (0.71–1.03); p=0.099 | 0.96 (0.79–1.15); p=0.641 | 1.00 (0.83–1.21); p=0.984 |
| 500–999 | 27 (289/1086) | 0.71 (0.58–0.86); p=0.001 | 0.81 (0.66–0.99); p=0.037 | 0.86 (0.70–1.06); p=0.149 |
| ≥1000 | 23 (575/2470) | 0.57 (0.48–0.68); p<0.001 | 0.67 (0.55–0.80); p<0.001 | 0.71 (0.59–0.86); p<0.001 |
| P trend# | <0.001 | <0.001 | <0.001 | <0.001 |
Abbreviation: MET, metabolic equivalent task
*
Adjusted with age, sex, race, education, income, alcohol, smoking, body mass index, coronary artery disease, acute myocardial infarction, hypertension, diabetes, stroke, atrial fibrillation, left ventricular hypertrophy, left ventricular systolic dysfunction, systolic blood pressure, diastolic blood pressure, depression score, Mini-mental state examination score, serum cholesterol, serum albumin, serum creatinine and serum C-reactive protein
#
Median value for each category: 0 = 0, 1–499 = 253.00, 500–999 = 729.50, ≥1000 = 2054.50