School climate and academic burnout in medical students: a moderated mediation model of collective self-esteem and psychological capital

Table 1 Mean, standard deviation and correlation matrix of each variable

Variable	1	2	3	4	5	6	7	8	9
1. Gender ^a	1
2. Sophomore^b	-0.01	1
3. Junior ^b	0.01	-0.35^***	1
4. Senior ^b	0.07^***	-0.32^***	-0.29^***	1
5. Age	0.02	-0.18^***	0.30^***	0.57^***	1
6. School climate	-0.002	-0.06^***	-0.07^***	-0.12^***	-0.19^***	1
7. Collective Self-Esteem	0.06^***	-0.09^***	-0.13^***	-0.07^***	-0.20^***	0.68^***	1
8. Psychological Capital	-0.05^*	-0.07^***	-0.10^***	-0.04	-0.14^***	0.63^***	0.67^***	1
9. Academic burnout	-0.01	0.10^***	0.07^***	-0.004	0.07^***	-0.54^***	-0.60^***	-0.69^***	1
Mean	0.51	0.28	0.24	0.21	19.55	3.41	4.77	4.77	2.71
Standard deviation	0.50	0.45	0.43	0.41	1.41	0.52	0.79	0.83	0.54

Note: n = 2411. ^a gender is a dummy variable, boys = 0, girls = 1, and the mean represents the proportion of girls. ^bgrade is a dummy variable, with freshman as the reference category, sophomore, junior and senior are relative to this category forms 3 dummy variables, the mean values of which represent the percentage of the population in that grade to the total population. ***p < 0.001, **p < 0.01, *p < 0.05, the same below

ISSN: 2050-7283