Table 2.
Association of Total Leisure-Time Physical Activity with Leukocyte Telomere Length (in Kilobases) Among Older Women (N=1409)
| Total leisure-time physical activity (MET-hours/week)
|
P for trend | ||||
|---|---|---|---|---|---|
| <1.25 β (95% CI) |
1.25–<7.50 β (95% CI) |
7.50–<17.00 β (95% CI) |
≥17.00 β (95% CI) |
||
| Model 1a | Reference | 0.10 (0.006,0.18) | 0.14 (0.05,0.23) | 0.22 (0.13,0.31) | <0.001 |
| Model 2b | Reference | 0.08 (−0.005,0.16) | 0.09 (0.10,0.18) | 0.12 (0.04,0.20) | <0.01 |
| Model 3c | Reference | 0.08 (−0.001,0.16) | 0.09 (0.002,0.17) | 0.11 (0.03,0.20) | <0.01 |
| Model 4d | Reference | 0.08 (−0.002,0.16) | 0.09 (0.001,0.17) | 0.12 (0.03,0.20) | <0.01 |
| Model 5e | Reference | 0.08 (−0.005,0.16) | 0.08 (−0.005,0.16) | 0.11 (0.02,0.19) | 0.02 |
β = beta estimate; CI = confidence interval; MET = metabolic equivalent.
a
Model 1: Unadjusted.
b
Model 2: Adjusted for model 1 + age and race/ethnicity.
c
Model 3: Adjusted for model 2 + education and baseline marital status, smoking behavior and alcohol consumption.
d
Model 4: Adjusted for model 3 + body mass index.
e
Model 5: Adjusted for model 4 + history of chronic diseases and hormone therapy use.