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Table 4 Average amount paid unofficially (converted to days of work at the minimum wage)

From: Reducing corruption in a Mexican medical school: impact assessment across two cross-sectional surveys

Item

2000 survey

2007 survey

 
 

n=

mean

SD

n=

mean

SD

p value †

For admission to the medical school

30

149

137

6

64

34.5

0.14

For passing an examination

83

8.3

9.4

67

14.6

13.1

0.0008

For an administrative request at the school

48

22.2

76.6

21

3.9

4.7

0.28

  1. SD = standard deviation
  2. † = p value from t test