Table 1.

Anthropometric and physiological variables and physical activity and sleep habits differences between low academic performance group (LAPG) and high academic performance group (HAPG).

					95% Confidence
Variables	LAPG	HAPG	T	p-Value	Lower	Upper
Grade	3.72 ± 0.91	6.57 ± 1.03	−23.52	<0.01	−3.08	−2.60
Height (cm)	176.37 ± 8.05	176.2 ± 7.31	0.177	0.860	−1.71	2.04
Weight (kg)	73.95 ± 11.17	73.92 ± 11.67	0.018	0.986	−2.76	2.81
Body mass index (kg/m2)	23.70 ± 2.81	23.72 ± 3.03	−0.036	0.971	−0.73	0.70
Physical activity (hours per week)	7.71 ± 4.58	7.74 ± 4.27	−0.06	0.953	−1.11	1.04
Systolic blood pressure (mmHg)	116.20 ± 19.23	114.67 ± 19.88	0.625	0.533	−3.30	6.38
Diastolic blood pressure (mmHg)	72.44 ± 14.27	67.48 ± 13.50	2.84	<0.01	1.52	8.40
VO2 max (mL/kg/min)	40.32 ± 6.07	47.91 ± 6.89	−9.313	<0.01	−9.19	−5.98
Time to fall asleep (min)	28.24 ± 26.16	24.22 ± 23.14	0.826	0.411	−5.64	13.69
Estimated hours of sleep	7.08 ± 1.03	7.42 ± 1.10	−1.567	0.120	−0.76	0.09
Insomnia caused by not falling asleep	1.17 ± 0.89	1.32 ± 0.93	−0.83	0.408	−0.516	0.211
Insomnia caused by night waking	1.05 ± 0.97	1.02 ± 0.97	0.17	0.864	−0.352	0.42
Insomnia caused by incontinence	0.93 ± 1.03	0.83 ± 0.97	0.482	0.631	−0.3	0.490
Insomnia caused by breathing problems	0.37 ± 0.8	0.13 ± 0.42	2.02	0.046	0.005	0.477
Insomnia caused by coughing and snoring	0.33 ± 0.73	0.34 ± 0.81	−0.85	0.930	−0.326	0.299
Insomnia caused by cold feeling	0.63 ± 0.83	0.63 ± 0.76	0.021	0.983	−0.308	0.315
Insomnia caused by hot feeling	0.85 ± 0.93	0.66 ± 0.80	1.15	0.252	−0.142	0.537
Insomnia caused by nightmares	0.66 ± 0.76	0.69 ± 0.79	−0.185	0.853	−0.339	0.281
Insomnia caused by pain feeling	0.34 ± 0.61	0.340.60	0.025	0.98	−0.235	0.241