Table 3.
Item performance and reliability estimates of the questionnaire(N = 220).
| Item No. | Item content | Mean ± SD | Floor (% with lowest score) | Ceiling (% with highest score) | Corrected Item – total correlation | Cronbach’s α if item deleted |
|---|---|---|---|---|---|---|
| 1 | Aware of own physical health | 3.89 ± 0.905 | 0.90 | 24.5 | 0.225 | 0.357 |
| 2 | No need to use a tracker to know physical status | 3.67 ± 0.972 | 1.40 | 19.5 | −0.188 | 0.484 |
| 3 | Use of tracker to know physical status | 2.37 ± 1.071 | 23.2 | 2.30 | 0.050 | 0.416 |
| 4 | More aware of physical status due to use of a tracker | 3.02 ± 1.317 | 16.8 | 14.5 | 0.135 | 0.388 |
| 5 | Change of activity levels due to own beliefs | 3.82 ± 0.917 | 2.70 | 19.1 | 0.363 | 0.310 |
| 6 | Knowledge of physical health from formal education | 3.02 ± 1.127 | 9.10 | 8.20 | 0.236 | 0.345 |
| 7 | Knowledge of physical health from family background | 3.26 ± 1.073 | 5.50 | 8.60 | 0.212 | 0.356 |
| 8 | Knowledge of physical health from media | 3.06 ± 1.104 | 8.60 | 6.40 | 0.237 | 0.346 |
| 9 | Not concerned of physical health | 2.19 ± 1.143 | 33.2 | 3.60 | −0.083 | 0.467 |
| 10 | Do regular exercise as being aware of the benefits | 3.84 ± 1.067 | 1.80 | 32.7 | 0.310 | 0.318 |
| 11 | Aware of lifestyle affecting physical health | 4.37 ± 0.726 | 0.90 | 47.3 | 0.277 | 0.351 |
Note: Total Cronbach’s α = 0.403.