PDA在社區醫學應用之實證研究

Empirical Study of the Use of PDA in Community Medicine

10.6288/TJPH2002-21-01-04

張博論(Polun Chang)；吳肖琪(Shiao-Chi Wu)；周碧瑟(Pesus Chou)；何捷民(Chieh-Min He)

個人數位助理(PDA) ； 機動資訊系統 ； 社區醫學 ； 界面設計 ； 工作流程 ； PDA ； Mobile Information Systems ； Community Medicine ； Interface Design ； Work Flow.

台灣公共衛生雜誌

21卷1期（2002 / 02 / 01）

27 - 35

繁體中文

目標：本研究以社區醫學家訪為例，評估PDA在公衛調查之應用長處、限制與因應之道。方法：原始問卷以蒐集社區老人生活品質與健康情形。PDA問卷以ThinkDB2.0開發。測試機型為Visor Deluxe。本次家訪總共訪問174位民眾。訪員以2人為一組，皆未使用過PDA。訪員完成工作後，填答對於PDA之畫面清晰度、使用便利性、訪問工作受限性、輸入問題等心得與建議。研究以質性討論為主。結果：PDA問卷遺漏題份數43%(74份)，平均漏題數1.7%，較傳統問卷相對應之10%、1%高。所有訪員指出訪談會受PDA限制；大部分認為中文輸入不便。對於PDA使用的整體滿意度平均僅66分。最常被提及負面經濟為「畫面小、問卷被切割不連貫」，其次為「無法例外註記、無法詳細記述」。一致指出減少鍵碼工作為最大好處。結論：PDA與工作流程配合重要性高於對PDA本身功能要求，且應格外重視「界面設計」。未來PDA工具的潛在價值將在其合後端分析中心整合後所產生的整體與及時化效益。而PDA的實際成效，則有賴進一步成效分析加以研究。

Objectives: This study was to evaluate empirically the potential benefits and limitations of Personal Digital Assistant (PDA) in public health survey. Methods: The original questionnaire was developed to survey the life quality and health status of the elderly aged over 65. The PDA questionnaire was designed using the ThinkDB2.0 mainly because of its support of Chinese codes. The Visor Deluxe PDAs were used in this study. A total of 174 elderly were interviewed. The Interviewers who had never used PDAs were organized into nine 2-student squads. All interviewers filled a evaluation form with seven questions concerning the clarity, convenience, constraints, time spent, Chinese Input, English Input, and overall satisfaction of the PDAs after performing all the survey tasks. The qualitative, instead of quantitative, analysis of the results were made due to the small sample size. Results: Forth-three precent (74) of the questionnaires were found to have an average missing value of the 1.7% of questions, which was greater than that using paper questionnaires. Most of the interviewers found the PDA inconvenient. The majority did not find the Chinese Input as easy as the English Input. The average overall satisfactory score was only 66.The top two frequently mentioned negative experiences were “too many but small screens, hard to keep on track” and “lack of flexibility of making notes on special observation.” On the other hand, the greatest advantage acknowledged by all interviews with respect to using PDAs was that the questionnaires need not be recoded. Conclusions: The va1ues of PDA in pub1ic hea1th survey would depend greatly on how well PDA usage fit in the workflow, rather than its technical specifications. The majority of problems could be solved or improved by a good PDA interface design. The potential benefit of PDA would be its capability of integrating into the entire field of survey management support systems by serving as a front-end mobile data collection tool. However, the re-al benefits, or disadvantages, of PDA in public health survey can only be understood by the cost-effectiveness analysis.

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