Table 2

Food consumption of participants according to sleep duration

Factors		Sleep duration					P values
Factors	Total	<6 hours	6 hours	7 hours	8 hours	9+ hours	P values
Fruits (%)							<0.001*
≥5 times a week	33.4	33.4	31.9	32.5	35.6	35.8
3–4 times a week	28.9	28.2	29.0	29.2	29.4	28.0
1–2 times a week	29.5	30.1	30.8	29.9	27.0	27.9
0 times a week	8.3	8.3	8.3	8.4	8.0	8.7
Soda (%)							<0.001*
≥5 times a week	8.0	8.3	8.1	8.0	7.7	8.0
3–4 times a week	18.2	17.2	18.8	18.8	18.2	17.4
1–2 times a week	48.9	48.0	49.0	49.8	49.0	48.0
0 times a week	24.9	26.5	24.2	23.4	25.1	26.6
Soft drinks (%)							<0.001*
≥5 times a week	13.9	16.3	14.5	13.1	12.0	11.6
3–4 times a week	25.9	26.7	26.5	26.0	24.7	24.0
1–2 times a week	44.1	42.2	43.9	44.8	45.6	44.6
0 times a week	16.1	14.7	15.0	16.1	17.7	19.8
Fast food (%)							<0.001*
≥5 times a week	2.5	2.8	2.6	2.2	2.2	2.7
3–4 times a week	11.9	12.6	12.8	11.7	10.6	10.7
1–2 times a week	59.8	60.0	60.7	60.5	58.8	56.2
0 times a week	25.8	24.6	23.8	25.5	28.3	30.3
Instant noodle (%)							<0.001*
≥5 times a week	4.6	4.4	4.3	4.8	4.8	5.4
3–4 times a week	17.6	15.0	16.9	18.6	19.7	18.6
1–2 times a week	51.6	49.8	51.9	52.4	52.6	51.3
0 times a week	26.2	30.8	26.9	24.2	22.9	24.6
Confectionaries (%)							<0.001*
≥5 times a week	10.7	12.2	11.1	9.9	9.7	9.7
3–4 times a week	26.4	27.1	26.9	26.4	25.5	24.4
1–2 times a week	45.4	44.3	45.6	45.9	45.9	45.6
0 times a week	17.6	16.5	16.5	17.8	18.9	20.3
Vegetables (%)							<0.001*
≥5 times a week	56.6	57.3	55.4	55.4	57.8	58.7
3–4 times a week	24.1	23.8	24.5	25.1	23.2	22.6
1–2 times a week	15.7	15.0	16.4	16.1	15.6	14.9
0 times a week	3.6	4.0	3.7	3.4	3.4	3.8
Milk (%)							<0.001*
≥5 times a week	41.9	36.7	38.4	42.9	48.4	50.4
3–4 times a week	20.0	20.3	20.4	20.2	19.6	18.2
1–2 times a week	22.4	24.3	24.0	22.2	19.4	18.6
0 times a week	15.7	18.7	17.3	14.8	12.5	12.8

*χ² test with Rao-Scott correction. Significance at p<0.05.