Fatigue Status in Relation to Lifestyle in Healthy Japanese Adolescents

Table 3

Multiple logistic regression analysis between total scores and demographic or lifestyle

Total scores^†	0–12	13–24	𝛽 coefficient	Odds ratio [95% CI]	𝑃-value
Total number	786	439
Gender			0.151	1.16[0.89-1.52]	.27
Male	392 (49.9)^‡	199 (45.3)
Female	394 (50.1)	240 (54.7)
Age			0.191	1.21[1.13-1.29]	<.001
11 yr	326(41.5)	95(21.6)
12 yr	165(21.0)	61(13.9)
14 yr	127(16.1)	116(26.4)
16 yr	168(21.4)	167(38.1)
Sleep duration			−0.799	0.45[0.34−0.59]	<.001
<7 hrs	296(37.7)	290(66.1)
≥7 hrs	490(62.3)	149(33.9)
Extracurricular sports activity			0.089	1.09[0.98-1.21]	.087
Every day	383(48.7)	179(40.8)
Few times/week	128(16.3)	60(13.7)
Once/week	103(13.1)	50(11.3)
Rarely	172(21.9)	150(34.2)
Food balance score	12.6[12.4-12.7]^§	12.1[11.8-12.2]	−0.152	0.86[0.80-0.92]	<.001
Snacks between regular meals			−0.137	0.87[0.77-0.98]	<.05
Every day	59(7.5)	52(11.9)
Few times/week	85(10.8)	54(12.3)
Once/week	133(16.9)	85(19.4)
Rarely	509(64.8)	248(56.4)
Sugar-sweetened beverage			−0.223	0.79[0.66-0.97]	<.05
Every day	79(10.1)	75(17.1)
Sometimes	404(51.4)	218(49.7)
Rarely	303(38.5)	146(33.2)
Visits to the nurse's room			0.767	2.15[1.51-3.07]	<.001
No	701(89.2)	348(79.3)
Yes	85(10.8)	91(20.7)
BMI	18.6[18.3-18.9]^§	19.4[18.8-19.8]^§	0.018	1.02[0.95-1.09]	.62

^†total scores = physical fatigue scores + mental fatigue scores
^‡Numbers in parentheses indicate the percentages
^§Mean and 95% CI are shown.