Skip to main content
. 2019 Feb 15;7(2):e10931. doi: 10.2196/10931

Table 3.

Time duration for operating assessment.

Type, food, and age group Response time (seconds), mean (SD) t value for difference P value

Self-chosen tab Autonomous exhaustive list

Single




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




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