Table 1.

Variables and scoring system used to construct the infant and child feeding index (CS-ICFI)

	scores
Variables	Visit 1 (6-month-old)	Visit 2 (12-month-old)	Visit 3 (18-month-old)
Breastfeeding	Yes = +2	Yes = +1	Yes = 0
	No = 0	No = 0	No = 0
Food consistency a	Liquid = 0	Gruel-like = 0	Gruel-like = 0
	Gruel-like = +1	Semi-solid = +1	Semi-solid = +1
	Semi-solid = +2	Solid = +2	Solid = +2
Feeding frequency (past 24-h) b	No = 0	0-2 times =0	0-2 times =0
	1 times = +1	3-4 times or ≧9 times = +1	3-4 times = +1
	≧2 times = +2	5-8 times = +2	≧9 times = +2
			5-8 times = +3
Food group frequency score (FGFS) (past 7-d)	FGFS 0 ~ 3 = 0	FGFS 0 ~ 5 = 0	FGFS 0 ~ 7 = 0
	FGFS 4 ~ 9 = +1	FGFS 6 ~ 9 = +1	FGFS 8 ~ 11 = +1
	FGFS 10 ~ 16 = +2	FGFS 10 ~ 12 = +2	FGFS 12 ~ 14 = +2
		FGFS 13 ~ 16 = +3	FGFS 15 ~ 16 = +3
Dietary diversity score(DDS) (past 7-d)	DDS 0 ~ 2 = 0	DDS 0 ~ 3 = 0	DDS 0 ~ 4 = 0
	DDS 3 ~ 4 = +1	DDS 4 ~ 6 = +1	DDS 5 ~ 7 = +1
	DDS 5 ~ 8 = +2	DDS 7 ~ 8 = +2	DDS 8 = +2
Total score	10 points	10 points	10 points

^aFood consistency was the highest consistency of complementary food.

^bFor Visit 1, feeding frequency of breastfeeding and formula-feeding was excluded; for Visits 2 and 3, the times of taking all food groups consumed above 10 g were counted.