Table 8.

Preferences of food portion size based on plate size (n = 133).

Foods	Percentage (%)		t	p-Value
	23 cm Plate	28 cm Plate
Carbohydrate food (white rice, boiled)
1 scoop	34.6	15.8	4.390	<0.001 *
2 scoops	57.9	44.4	1.847	0.067
3 scoops	7.5	39.8	−7.277	<0.001 *
Protein food (fried chicken)
1 small-sized	52.6	17.3	6.626	<0.001 *
1 moderate-sized	42.1	56.4	−2.422	0.017 *
1 large-sized	5.3	26.3	−5.464	<0.001 *
Vegetable food (stir-fried water spinach)
½ scoop	48.9	9.8	4.869	<0.001 *
1 scoop	39.1	60.9	−3.538	0.001 *
1 ½ scoops	12.0	29.3	−4.175	<0.001 *

* Variables differed significantly among groups as assessed by paired-sample t-test, p < 0.05.