Table 2.
Cut points for sufficient correlations per construct and dimension of PA measured by the questionnaire, and level of quality
| Construct/dimension | 1: Very good | 2: Adequate | 3: Doubtful |
|---|---|---|---|
| Total PAEE (MET/kcal) | Doubly labeled water ≥ 0.70 | Accelerometer total counts or average counts ≥ 0.50 | Diary, logbook, other questionnaire, interview ≥ 0.70; pedometer steps ≥ 0.40; accelerometer time in moderate, moderate-to-vigorous or vigorous intensity ≥ 0.40 |
| Total PA (min/score) | Accelerometer total counts or average counts ≥ 0.50 | Accelerometer time in moderate-to-vigorous intensity ≥ 0.40 | Diary, logbook, other questionnaire, interview ≥ 0.70; pedometer steps ≥ 0.40 |
| By intensity | |||
| Vigorous | Accelerometer time in vigorous intensity ≥ 0.50 | Accelerometer total counts or average counts ≥ 0.40 | Diary, logbook, other questionnaire, interview ≥ 0.70; accelerometer time in light, moderate or moderate-to-vigorous intensity ≥ 0.40; pedometer steps ≥ 0.40 |
| Moderate-to-vigorous | Accelerometer time in moderate-to-vigorous intensity ≥ 0.50 | Accelerometer total counts or average counts ≥ 0.40 | Diary, logbook, other questionnaire, interview ≥ 0.70; accelerometer time in light, moderate or vigorous intensity ≥ 0.40; pedometer steps ≥ 0.40 |
| Moderate | Accelerometer time in moderate intensity ≥ 0.50 | Accelerometer total counts or average counts ≥ 0.40 | Diary, logbook, other questionnaire, interview ≥ 0.70; accelerometer time in light, moderate-to-vigorous or vigorous intensity ≥ 0.40; pedometer steps ≥ 0.40 |
| Light | Accelerometer time in light intensity ≥ 0.50 | Accelerometer total counts or average counts ≥ 0.40 | Diary, logbook, other questionnaire, interview ≥ 0.70; accelerometer time in moderate, moderate-to-vigorous or vigorous intensity ≥ 0.40; pedometer steps ≥ 0.40 |
| By type | |||
| Walking | Pedometer or accelerometer walking total counts ≥ 0.70 | Accelerometer total counts or average counts ≥ 0.40 | Diary, logbook, other questionnaire, interview ≥ 0.70; accelerometer time in moderate, moderate-to-vigorous or vigorous intensity ≥ 0.40 |
| Leisure time | Accelerometer total counts or average counts in leisure time ≥ 0.50 | Accelerometer total counts or average counts ≥ 0.40 | Diary, logbook, other questionnaire, interview ≥ 0.70; pedometer steps ≥ 0.40; accelerometer time in moderate, moderate-to-vigorous or vigorous intensity ≥ 0.40 |
| Occupational | Direct observational method ≥ 0.60; accelerometer total counts or average counts during working hours ≥ 0.50 | Accelerometer total counts or average counts ≥ 0.40 | Diary, logbook, other questionnaire, interview ≥ 0.70; accelerometer time in light, moderate, moderate-to-vigorous or vigorous intensity ≥ 0.40; pedometer steps ≥ 0.40 |
| Household/caregiving | Accelerometer time in light, light-to-moderate or moderate intensity ≥ 0.50 | Accelerometer total counts or average counts ≥ 0.40 | Diary, logbook, other questionnaire, interview ≥ 0.70; accelerometer time in moderate-to-vigorous or vigorous intensity ≥ 0.40; pedometer steps ≥ 0.40 |
| Sports/exercise | Accelerometer time in moderate-to-vigorous or vigorous intensity ≥ 0.50 | Accelerometer total counts or average counts ≥ 0.40 | Diary, logbook, other questionnaire, interview ≥ 0.70; accelerometer time in light or moderate intensity ≥ 0.40; pedometer steps ≥ 0.40 |
Kcal kilocalories, MET metabolic equivalent, min minutes, PA physical activity, PAEE physical activity energy expenditure