Table 1

Factor loadings of questionnaire items (exploratory factor analysis) and Cronbach’s α of the four dimensions

Questionnaire items	Impacts of NEMP on
Questionnaire items	Health workers	Patients	CHCs	Provision of medicines
Has NEMP increased income?	0.529
Has NEMP increased service load?	0.868
Has NEMP enhanced work commitment?	0.509
Has NEMP improved rational prescribing?	0.761
Has NEMP met the needs of residents?		0.795
Has NEMP been endorsed by residents?		0.576
Has NEMP improved patient trust in doctors?		0.572
Has NEMP increased patient visits to CHCs?			0.831
Has NEMP increased CHC-coordinated patient referral?			0.950
Has NEMP increased market share of CHCs for patients with mild illness?			0.752
How important is NEMP to CHCs?			0.789
Does NEMP promote development of CHCs?			0.732
Rating on availability of essential medicines				0.547
Rating on effectiveness of essential medicines in comparison with medicines available in the past				0.616
Rating on appropriateness of expenditure on essential medicines				0.714
Cronbach’s α	0.670	0.640	0.708	0.656