Table 2 Internal consistency reliability and factor loading on the items for experience and knowledge of adverse drug reaction and attitude on spontaneous reporting (n = 1000)

 Experience of concerns about the occurrence of ADRs

0.45

0.73

 Experience of seeking drug safety information

0.51

0.77

 Experience of reading insert paper thoroughly

0.27

0.50

 Experience with ADRs

0.37

0.63

 Experience of requests HCPs for counselling in drug safety

0.28

0.50

 Eigenvalue

2.02

 Cumulative variance explained (%)

40.49

 All medications can cause adverse effects

0.47

0.68

 Adverse effects can occur even if a medication is administered correctly

0.40

0.61

 Adverse effects can occur when a medication is double-dosed

0.34

0.54

 Adverse effects can occur when a medication is taken more frequently

0.57

0.79

 Adverse effects can occur when medications are stopped abruptly

0.51

0.74

 Eigenvalue

2.29

 Cumulative variance explained (%)

45.84

 Necessity of reporting ADRs

0.37

0.19

0.78^b

 Duty to report ADRs

0.31

0.08

0.83^b

 Expectation of preventing similar ADRs from occurring in others

0.57

0.84^b

0.13

 Expectation of improving drug safety

0.54

0.81^b

0.12

 Expectation of improving healthcare service

0.62

0.86^b

0.16

 Eigenvalue

2.42

1.07

 Cumulative variance explained (%)

48.40

69.84

 Cannot recognise ADRs

0.43

0.21

0.66^b

 No serious ADRs

0.45

0.09

0.83^b

 ADRs resolved

0.43

0.10

0.78^b

 No personal benefit

0.53

0.68^b

0.26

 No real improvement in system

0.55

0.71^b

0.26

 Not my job

0.45

0.73^b

0.06

 Counsel with HCPs instead of SR

0.52

0.56^b

0.37

 Breach of privacy

0.34

0.67^b

−0.05

 Eigenvalue

3.05

1.29

 Cumulative variance explained (%)

38.07

54.16