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Observational Study
. 2022 Aug 15;24(8):e34858.
doi: 10.2196/34858.

Physicians' Perceptions as Predictors of the Future Use of the National Death Information System in Peru: Cross-sectional Study

Affiliations
Observational Study

Physicians' Perceptions as Predictors of the Future Use of the National Death Information System in Peru: Cross-sectional Study

Javier Vargas-Herrera et al. J Med Internet Res. .

Abstract

Background: A computer application called the National Death Information System (SINADEF) was implemented in Peru so that physicians can prepare death certificates in electronic format and the information is available online. In 2018, only half of the estimated deaths in Peru were certified using SINADEF. When a death is certified in paper format, the probability being entered in the mortality database decreases. It is important to know, from the user's perspective, the factors that can influence the successful implementation of SINADEF. SINADEF can only be successfully implemented if it is known whether physicians believe that it is useful and easy to operate.

Objective: The aim of this study was to identify the perceptions of physicians and other factors as predictors of their behavioral intention to use SINADEF to certify a death.

Methods: This study had an observational, cross-sectional design. A survey was provided to physicians working in Peru, who used SINADEF to certify a death for a period of 12 months, starting in November 2019. A questionnaire was adapted based on the Technology Acceptance Model. The questions measured the dimensions of subjective norm, image, job relevance, output quality, demonstrability of results, perceived usefulness, perceived ease of use, and behavioral intention to use. Chi-square and logistic regression tests were used in the analysis, and a confidence level of 95% was chosen to support a significant association.

Results: In this study, 272 physicians responded to the survey; 184 (67.6%) were men and the average age was 45.3 (SD 10.1) years. The age range was 24 to 73 years. In the bivariate analysis, the intention to use SINADEF was found to be associated with (1) perceived usefulness, expressed as "using SINADEF avoids falsifying a death certificate" (P<.001), "using SINADEF reduces the risk of errors" (P<.001), and "using SINADEF allows for filling out a certificate in less time" (P<.001); and (2) perceived ease of use, expressed as "I think SINADEF is easy to use" (P<.001). In the logistic regression, perceived usefulness (odds ratio [OR] 8.5, 95% CI 2.2-32.3; P=.002), perceived ease of use (OR 10.1, 95% CI 2.4-41.8; P=.001), and training in filling out death certificates (OR 8.3, 95% CI 1.6-42.8; P=.01) were found to be predictors of the behavioral intention to use SINADEF.

Conclusions: The behavioral intention to use SINADEF was related to the perception that it is an easy-to-use system, the belief that it improves the performance of physicians in carrying out the task at hand, and with training in filling out death certificates.

Keywords: Technology Acceptance Model; acceptance model; analysis; certificates; cross-sectional study; death; death certificates; health information system; information system; model; mortality; physicians; predictors; vital statistics.

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Conflict of interest statement

Conflicts of Interest: None declared.

Figures

Figure 1
Figure 1
Level of agreement (%) in the physicians' perceptions about the use of the National Death Information System. MINSA: Ministry of Health; SINADEF: National Death Information System.
Figure 2
Figure 2
Summary of SINADEF behavioral intention to use predictors in the logistic regression models used. OR: odds ratio; SINADEF: National Death Information System.

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