From: Stress and its association with academic performance among dental undergraduate students in Fujian, China: a cross-sectional online questionnaire survey
Variable
N
Mean
SD
P-value
Year of study
First year
86
49.20
19.47
0.306
Second year
89
52.55
19.75
Third year
87
52.64
17.66
Fourth year
85
54.57
16.96
Sex
Male
132
51.53
18.76
0.594
Female
215
18.54
Overall
347
52.21
18.53