Table 2.

The differences of loneliness and psychosocial variables between genders and grades.

Variables	Gender					Grade
	Boys (n = 405)		Girls (n = 1,073)			Freshman		Sophomore		Junior
	M	SD	M	SD	t	M	SD	M	SD	M	SD	F	post-hoc
Loneliness	38.24	10.45	39.64	10.45	2.300*	40.74	10.59	38.18	10.43	37.74	9.94	13.264**	1 > 2 > 3
Stress (PSS)	35.14	9.23	36.74	8.99	3.024**	37.95	9.36	34.85	8.78	34.90	8.38	21.664**	1 > 3 > 2
Life event (IES-R)	24.69	17.61	24.63	16.28	−0.059	28.08	16.51	22.57	15.66	20.67	16.75	29.64**	1 > 2 > 3
Coping style (SCSQ)
Positive coping	23.21	7.14	23.42	6.73	0.518	22.62	6.38	24.72	6.48	23.21	7.78	12.61**	2 > 3 > 1
Negative coping	9.50	4.78	9.65	4.42	0.567	9.89	4.42	9.57	4.40	9.12	4.80	3.60*	1 > 2 > 3
Social support (PSSS)	61.10	14.24	62.78	13.79	2.077*	63.25	13.23	62.89	13.04	60.24	15.84	5.708**	1 > 2 > 3
CBF- PI-B
Neuroticism	20.56	7.52	21.83	7.33	2.934**	23.57	7.44	20.26	6.92	19.01	6.79	57.94**	1 > 2 > 3
Conscientiousness	33.91	6.25	33.07	6.14	−2.331*	33.07	6.21	33.86	5.64	33.10	6.63	2.373
Agreeableness	34.57	6.62	35.40	5.87	2.221*	35.41	6.05	35.31	5.94	34.58	6.31	2.424
Openness	33.75	6.47	32.84	6.35	−2.420*	33.35	6.17	33.26	6.10	32.44	7.07	2.634
Extraversion	29.93	7.33	29.46	7.08	−1.129	29.55	7.15	29.47	7.26	29.81	7.05	0.244
Peer relationship
Peer acceptance	62.34	11.23	62.77	10.12	0.681	61.72	10.52	64.22	10.16	62.62	10.40	7.475**	2 > 3 > 1
Peer fear	21.67	7.05	22.66	6.89	2.438*	24.06	6.86	21.36	6.71	20.45	6.65	41.259**	1 > 2 > 3
Depression (PHQ-9)	5.38	4.82	5.24	4.73	−0.513	5.59	4.87	4.90	4.35	5.13	4.97	2.942

^*p < 0.05;

^**p < 0.01.