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Table 8 Marginal effects of the Probit models

From: Effects of COVID-19 lockdown on university students’ anxiety disorder in Italy

  Model A Model B
dy/dx Std. Err p value dy/dx Std. Err p value
Dummy sex: 1 = female 0.197 0.015 *** 0.150 0.016 ***
Dummy age: 1 = 18–21 − 0.025 0.015   − 0.017 0.017  
University (Ref: Messina)
 Marche polytechnic − 0.044 0.017 * − 0.027 0.020  
 Udine − 0.014 0.017   − 0.006 0.020  
 Dummy course degree: 1 = Bachelor’s 0.034 0.015 * − 0.002 0.017  
Area of study (Ref: Economics and Law)
 Medicine − 0.099 0.022 *** − 0.122 0.024 ***
 Sciences − 0.018 0.018   − 0.074 0.021 ***
 Humanities and education − 0.042 0.022   − 0.059 0.025 *
 Dummy changed home: 1 = Yes 0.071 0.015 *** 0.100 0.017 ***
 Dummy scholarship: 1 = Yes 0.030 0.014 * 0.032 0.015 *
 Dummy outdoor space: 1 = Yes − 0.071 0.016 *** − 0.054 0.019 **
 Dummy distance learning: 1 = Yes − 0.045 0.017 ** − 0.020 0.019  
  1. *p < 0.05; **p < 0.01; ***p < 0.001. dy/dx for factor levels is the discrete change from the base level