Table 2.
Estimated difference in systolic blood pressure (95% confidence intervals) associated with one-to-remaining reallocations of physical behaviors at work or leisure among 671 blue-collar workers
| Difference in behavior (min/day) | Estimated difference in SBP (mmHg) (95% CI) | |||||||
|---|---|---|---|---|---|---|---|---|
| Sedentary to remaininga | LPA to remaininga | MVPA to remaininga | Time in bed to remaininga | |||||
| Work | ||||||||
| − 90 | −3.6 | (− 5.8:-1.4) | 0.4 | (−1.6:2.4) | ||||
| −75 | −2.6 | (− 4.2:-1.1) | 0.4 | (− 1.3:2.0) | ||||
| −60 | −1.9 | (−3.0:-0.8) | 0.3 | (−1.0:1.6) | ||||
| −45 | −1.3 | (−2.1:-0.5) | 0.3 | (−0.7:1.2) | 1.7 | (−1.4:4.8) | ||
| −30 | − 0.8 | (−1.3:-0.3) | 0.2 | (− 0.5:0.8) | 1.0 | (− 0.7:2.6) | ||
| −15 | −0.4 | (− 0.6:-0.2) | 0.1 | (− 0.2:0.4) | 0.4 | (− 0.3:1.2) | ||
| 0 | 0.0 | (0.0:0.0) | 0.0 | (0.0:0.0) | 0.0 | (0.0:0.0) | ||
| 15 | 0.4 | (0.1:0.6) | −0.1 | (−0.4:0.2) | −0.4 | (−1.0:0.2) | ||
| 30 | 0.7 | (0.3:1.1) | −0.2 | (−0.9:0.5) | − 0.7 | (−1.8:0.4) | ||
| 45 | 1.0 | (0.4:1.6) | −0.3 | (−1.4:0.7) | − 1.0 | (−2.6:0.6) | ||
| 60 | 1.3 | (0.5:2.0) | −0.5 | (−1.9:0.9) | ||||
| 75 | 1.5 | (0.5:2.5) | −0.6 | (−2.5: 1.2) | ||||
| 90 | 1.8 | (0.6:2.9) | − 0.8 | (−3.1:1.5) | ||||
| Leisure | ||||||||
| −90 | −1.7 | (−3.2:-0.2) | − 2.8 | (−5.8:0.3) | 2.3 | (0.7:3.9) | ||
| −75 | −1.4 | (−2.6:-0.2) | −2.1 | (−4.5:0.2) | 1.9 | (0.6:3.2) | ||
| −60 | −1.1 | (−2.1:-0.2) | − 1.6 | (−3.4:0.2) | 1.5 | (0.4:2.6) | ||
| −45 | −0.8 | (−1.5:-0.1) | −1.1 | (−2.4:0.1) | 1.1 | (0.3:1.9) | ||
| −30 | −0.5 | (−1.0:-0.1) | − 0.7 | (− 1.5:0.1) | 1.2 | (−2.0:4.4) | 0.7 | (0.2:1.3) |
| −15 | −0.3 | (−0.5:0.0) | − 0.3 | (− 0.7:0.0) | 0.4 | (− 0.7:1.6) | 0.4 | (0.1:0.6) |
| 0 | 0.0 | (0.0:0.0) | 0.0 | (0.0:0.0) | 0.0 | (0.0:0.0) | 0.0 | (0.0:0.0) |
| 15 | 0.3 | (0.0:0.5) | 0.3 | (0.0:0.7) | −0.3 | (−1.1:0.5) | −0.4 | (− 0.6:-0.1) |
| 30 | 0.5 | (0.1:1.0) | 0.6 | (0.0:1.3) | −0.5 | (−2.0:1.0) | −0.7 | (−1.2:-0.2) |
| 45 | 0.8 | (0.1:1.5) | 0.9 | (−0.1:1.9) | −1.1 | (−1.8:-0.3) | ||
| 60 | 1.1 | (0.2:2.0) | 1.2 | (−0.1:2.5) | −1.4 | (−2.5:-0.4) | ||
| 75 | 1.3 | (0.2:2.4) | 1.5 | (−0.1:3.0) | −1.8 | (−3.1:-0.5) | ||
| 90 | 1.6 | (0.2:2.9) | 1.7 | (−0.1:3.5) | −2.2 | (−3.7:-0.6) | ||
Results in bold are considered statistically significant because the confidence interval did not include 0. aremaining means those behaviors besides one which is getting replaced within each domain. For example sedentary to remaining at work means reallocation between sedentary time and time spent on LPA and MVPA at work. Similarly, MVPA to remaining at leisure means reallocations between MVPA time and time spent on LPA, sedentary and in bed. LPA = light physical activity, MVPA = moderate-to-vigorous physical activity