Table 3.
Long-term changes from P0a to P2b in outcome variables in the before-and-after study among workers with high BPc (n=29).
| Variables | P0ad, median (IQR) | P0be, median (IQR) | Changes from P0 to P2 | ||
|
|
|
|
Median (95% CI) | P valuef | |
| Physical activity | |||||
|
|
Mean steps per dayg | N/Ah | 10,002 (8486-11,908) | +1056 (−651 to +2286) | .04 |
|
|
Mean calories burned by activity (kcal per day)i | N/A | 264 (243-331) | +26 (−21 to +69) | .07 |
| Mean home BP (mm Hg)j | |||||
|
|
Morning—systolick | N/A | 132.3 (126.3-141.4) | −3.3 (−9.8 to +2) | .07 |
|
|
Morning—diastolick | N/A | 90.3 (82.3-95.3) | −1.6 (−6.2 to +0.1) | .02 |
|
|
Night—systolick,l | N/A | 125.5 (117-136) | −4.4 (−8.9 to +0.6) | .02 |
|
|
Night—diastolick,l | N/A | 79.6 (76.2-84.3) | −2.4 (−5.8 to −0.9) | <.001 |
| Results of physical measurementm | |||||
|
|
Body weight (kg) | 66.8 (57.6-73.1) | N/A | −1.4 (−2.7 to −0.2) | .001 |
|
|
BMI (kg/m2) | 23.7 (21.1-25.2) | N/A | −0.5 (−1.2 to −0.1) | .001 |
|
|
Visceral fat area (cm2) | 56.5 (45-89) | N/A | −0.5 (−7 to +7) | .60 |
| Results of blood examinationm | |||||
|
|
Hemoglobin A1c (%) | N/A | 5.4 (5.15-5.6) | +0.1 (0 to +0.1) | .22 |
|
|
Fasting blood glucose (mg/dL) | N/A | 88 (84-92.5) | +2.5 (−1 to +6) | .16 |
|
|
Triglycerides (mg/dL)n | N/A | 105 (59-144) | −13 (−30 to +5) | .50 |
|
|
HDLo cholesterol (mg/dL)n | N/A | 63 (49-73) | +3 (0 to +7) | .23 |
|
|
Non-HDL cholesterol (mg/dL)n | N/A | 158 (130-186) | −6 (−22 to +5) | .25 |
aP0: baseline.
bP2: the end of the intervention.
cBP: blood pressure.
dP0a: before the intervention.
eP0b: baseline system use period.
fAnalyzed using Wilcoxon signed rank test.
gA participant without measured data at P2 owing to accelerometer trouble was excluded (n=28).
hN/A: not applicable.
iOverall, 7% (2/29) of the participants without measured or valid data at P2 owing to accelerometer trouble were excluded (n=27).
jA participant who intensified their antihypertensive treatment after P1 was excluded (n=28).
kOverall, 7% (2/28) and 4% (1/28) of the participants without measured data at P2 for morning and night, respectively, were excluded (n=26 for morning, n=27 for night).
lA participant without measured data at P0b was excluded (n=26).
mA participant was excluded because he had breakfast on the day of the measurement and blood tests at P2 (n=28).
nAn additional participant who started taking a cholesterol medication after P1 was excluded (n=27).
oHDL: high-density lipoprotein.