Table 3.
Time duration for operating assessment.
| Type, food, and age group | Response time (seconds), mean (SD) | t value for difference | P value | |||
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|
Self-chosen tab | Autonomous exhaustive list |
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||
| Single |
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|
|
|
||
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|
Chinese steamed bread |
|
|
|
|
|
|
|
|
All | 3.01 (1.23) | 4.84 (4.29) | –2.49 | .02 |
|
|
|
Young | 2.48 (0.75) | 3.19 (2.64) | –1.30 | .20 |
|
|
|
Senior | 4.67 (0.90) | 8.28 (5.09) | –2.41 | .03 |
|
|
Fried chicken drumstick |
|
|
|
|
|
|
|
|
All | 3.40 (2.48) | 6.04 (6.12) | –2.43 | .02 |
|
|
|
Young | 2.60 (1.77) | 4.05 (3.91) | –1.71 | .10 |
|
|
|
Senior | 5.90 (2.81) | 10.20 (7.83) | –1.75 | .10 |
|
|
Green tea |
|
|
|
|
|
|
|
|
All | 12.40 (8.13) | 26.15 (14.90) | –4.93 | <.001 |
|
|
|
Young | 8.92 (2.53) | 17.78 (6.82) | –6.14 | <.001 |
|
|
|
Senior | 23.22 (10.08) | 43.58 (11.60) | –4.20 | <.001 |
|
|
Boiled rice |
|
|
|
|
|
|
|
|
All | 2.71 (1.90) | 3.63 (2.94) | –1.61 | .11 |
|
|
|
Young | 1.91 (0.56) | 2.47 (1.32) | –1.98 | .06 |
|
|
|
Senior | 5.19 (2.47) | 6.06 (3.87) | –0.59 | .56 |
|
|
Fried pork chop |
|
|
|
|
|
|
|
|
All | 3.09 (1.37) | 4.71 (2.67) | –3.29 | .002 |
|
|
|
Young | 2.60 (0.75) | 3.34 (1.11) | –2.89 | .006 |
|
|
|
Senior | 4.63 (1.73) | 7.57 (2.73) | –2.82 | .01 |
|
|
Tea with milk |
|
|
|
|
|
|
|
|
All | 11.76 (4.99) | 26.04 (17.27) | –4.83 | <.001 |
|
|
|
Young | 9.77 (3.47) | 17.26 (7.70) | –4.47 | <.001 |
|
|
|
Senior | 17.95 (3.79) | 44.34 (17.50) | –5.07 | <.001 |
| Mixed food |
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|
|
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||
|
|
Cold tofu with preserved eggs |
|
|
|
|
|
|
|
|
All | 6.15 (2.83) | 31.36 (25.78) | –5.91 | <.001 |
|
|
|
Young | 5.02 (1.55) | 20.38 (13.00) | –5.87 | <.001 |
|
|
|
Senior | 9.67 (3.09) | 54.24 (31.01) | –4.95 | <.001 |
|
|
Stir-fried eggs with shredded carrot |
|
|
|
|
|
|
|
|
All | 5.46 (2.13) | 32.74 (27.59) | –6.00 | <.001 |
|
|
|
Young | 4.63 (1.24) | 20.56 (16.85) | –4.71 | <.001 |
|
|
|
Senior | 8.05 (2.29) | 58.13 (28.82) | –5.99 | <.001 |
|
|
Stir-fried napa cabbage with bacon |
|
|
|
|
|
|
|
|
All | 5.90 (2.19) | 27.49 (18.34) | –7.11 | <.001 |
|
|
|
Young | 4.89 (1.08) | 19.15 (11.54) | –6.16 | <.001 |
|
|
|
Senior | 9.03 (1.75) | 44.87 (17.98) | –6.86 | <.001 |
|
|
Stir-fried shredded pork and green pepper |
|
|
|
|
|
|
|
|
All | 5.09 (1.52) | 38.20 (25.03) | –8.03 | <.001 |
|
|
|
Young | 4.58 (1.07) | 26.76 (13.24) | –8.35 | <.001 |
|
|
|
Senior | 6.70 (1.67) | 62.02 (27.40) | –6.98 | <.001 |
|
|
Stir-fried egg with tomatoes |
|
|
|
|
|
|
|
|
All | 5.01 (1.93) | 24.31 (15.12) | –7.70 | <.001 |
|
|
|
Young | 4.12 (0.89) | 16.56 (7.90) | –7.83 | <.001 |
|
|
|
Senior | 7.77 (1.64) | 40.47 (13.79) | –8.14 | <.001 |
|
|
Stir-fried bitter melon with salted duck eggs |
|
|
|
|
|
|
|
|
All | 5.73 (1.90) | 32.66 (21.47) | –7.60 | <.001 |
|
|
|
Young | 4.96 (0.91) | 21.52 (6.74) | –12.20 | <.001 |
|
|
|
Senior | 8.13 (2.20) | 55.86 (23.25) | –7.07 | <.001 |