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Table 6 GPA regressed on sex, age, year of study, and stress scores

From: Stress and its association with academic performance among dental undergraduate students in Fujian, China: a cross-sectional online questionnaire survey

  Β (Unstandardized B) S.E. β (Standardized B) 95% CI for B P-value R2
Model 1 GPA regressed on sex, age, year of study, and DES score     0.047
 Sex 0.244 0.082 0.162 0.082 ~ 0.405 0.003  
 Age 0.039 0.051 0.077 −0.062 ~ 0.139 0.449  
 Year of study − 0.087 0.066 − 0.131 − 0.217 ~ 0.044 0.191  
 DES score − 0.005 0.002 −0.117 − 0.009 ~ 0.000 0.030  
Model 2 GPA regressed on sex, age, year of study, and PSS score     0.053
 Sex 0.244 0.072 0.188 0.103 ~ 0.386 0.001  
 Age 0.013 0.045 0.030 −0.075 ~ 0.101 0.769  
 Year of study −0.035 0.058 −0.062 −0.150 ~ 0.079 0.546  
 PSS score −0.016 0.008 −0.114 −0.031 ~ − 0.001 0.040  
  1. Model 1: P = 0.003; Model 2: P = 0.002. Sex was coded as 1 (male) or 2 (female). Model 1 and Model 2 were run separately