The correct application of cumulative odds logit model on the ordinal data

Objective To investigate the correct application of cumulative odds logit model on the ordinal data.Methods The cumulative odds logit model and partial proportional odds model were used for the data from a cohort study in Shaanxi Province,and the results were compared.Results The cumulative odds logit model might not be appropriate when the proportional odds assumption was violated.Conclusion The application of cumulative odds logit model is dependent on certain conditions.It is advisable to adopt other methods when the condition of cumulative odds logit model were violated.