Factors associated with preparedness competency of public health inspectors from the qualitative analysis, which are grouped into three levels according to capacity assessment model developed by the UNDP: broader system, institutional level and individual level. Factors associated with preparedness competency of public health inspectors from the qualitative analysis, which are grouped into three levels according to capacity assessment model developed by the UNDP: broader system, institutional level and individual level. Ning Ning et al. BMJ Open 2014;4:e003832 ©2014 by British Medical Journal Publishing Group