全民健康保險將於民國八十三年實施，醫療供給者對於醫療保險透過支付制度強制約束醫療行為與醫療報酬計算方式，常持反對態度，並嘗試以量制價，以為因應。茲探討勞保甲乙丙表實施後，勞保門診醫療費用支付制度，對醫師診療行為（以申報金額與件數為指標）之影響，以供全民健保規劃之參考。研究母全體係八十年三月臺閩地區勞工保險局收受醫療院所申報之「勞工保險醫療給付門診就診單」，採分層二階段系統集束隨機方法抽樣，共獲有效樣本3831件。主要發現如下：當透過支付制度降低每件申報金額時，醫師為了維持收入水準，傾向於增加申報件數。

　　　　　We randomly sampled 3831 OPD medical records submitted by hospital to the Bureau of Labor Insurance for reimbursement in March 1991 for this study Regression analysisis applied to eliminate the effect of the level of care. Results indicate htose providers charged lower average costs per OPD took care of more patients in order to maintain their income levels.