Table 2.
Summary statistics of activity by JPHC-PAQ.
| Domain | Activity | Assigned intensity (METs) | Time (hour/day) |
Volume (MET-hour/day) |
||
|---|---|---|---|---|---|---|
| Mean | (SD) | Mean | (SD) | |||
| Occupation /Household | ||||||
| Sitting | 1.3 | 3.22 | (2.25) | 4.18 | (2.92) | |
| Standing | 2.0 | 4.25 | (2.20) | 8.49 | (4.40) | |
| Walking | 3.0 | 3.05 | (2.11) | 9.16 | (6.32) | |
| Vigorous activity | 6.0 | 1.19 | (1.69) | 7.14 | (10.13) | |
| Leisure | ||||||
| Walking slowly such as taking a walk | 2.8 | 0.10 | (0.26) | 0.28 | (0.73) | |
| Walking fast | 4.0 | 0.10 | (0.29) | 0.41 | (1.15) | |
| Exercise such as golf, gardening | 3.0 | 0.30 | (0.57) | 0.91 | (1.71) | |
| Exercise such as tennis, jogging, aerobics, and swimming | 6.0 | 0.03 | (0.11) | 0.18 | (0.64) | |
| Sleep | 0.9 | 6.78 | (0.97) | 6.10 | (0.88) | |
| Other a | 1.3 | 4.98 | (3.91) | 6.47 | (5.09) | |
JPHC-PAQ: Japan Public Health Center-based prospective Study- Physical activity questionnaire.
a Hours for other activities were calculated by subtracting the sum of time for sleep/leisure/occupational/household activities from 24 h.
Data were obtained from those in Katsushika, Miyako, Saku and Kashiwazaki city who were enrolled in the JPHC Study in 2003–2004.