Effectiveness of pictographs in improving patient education outcomes: a systematic review

Literature review and development of pictorial action plan to promote self-management of chronic obstructive pulmonary disease

OBJECTIVE

This study aimed to review relevant literature and develop a pictorial action plan (PAP) to enhance self-management among older patients with chronic obstructive pulmonary disease (COPD).

METHODS

In Stage 1, an integrative review was conducted to identify key elements of respiratory self-management action plans. In Stage 2, cartoon pictograms with plain descriptions were designed. In Stage 3, the PAP was validated by 40 older patients with COPD and an expert panel.

RESULTS

While the eight included studies demonstrated positive effects on knowledge and quality of life, key elements identified included: traffic light motif, plain and explicit language, and several action plan topics. The final PAP comprises three traffic light-coloured zones and 24 pictograms that introduce self-management strategies for normal, decreasing, and severely decreased airflow. After revising the cartoon characters, all of the pictograms received guessability ratings above 70% and acceptable mean translucency ratings.

DISCUSSION

The integrative review provides evidence about the effectiveness and key elements of PAPs. The PAP developed was found to be valid and feasible for use among older patients with chronic respiratory conditions.

PRACTICE IMPLICATIONS

This study offered an example of translating evidence into patient education practice to enhance self-management in older patients with COPD.

Methodology of an approach for modifying pictograms showing medication side effects or indication

BACKGROUND

Pictograms may improve user-friendliness and comprehension of written or verbal health information. This paper describes a method to modify pictograms to improve their visual clarity, appeal and overall interpretive complexity in order to reduce the cognitive load on the viewer during comprehension.

METHODOLOGY

Nine pictograms previously tested for comprehension were selected for modification. In phase 1, two participatory design workshops were conducted with (a) three limited literacy, first-language isiXhosa-speaking participants and (b) four university students. Opinions and ideas for improving interpretation were discussed. In phase 2, revised visuals were generated by the graphic artist and subsequently modified in an intensive, multistage, iterative process.

RESULTS

As no guidelines for pictogram modification exist, a modification schema was developed based on the process described in this study. Adopting a participatory approach combined with a systematic, intensive modification process enabled the opinions and preferences of the end-users to be heard, ensuring cultural relevance and contextual familiarity of the final product. Careful scrutiny of all individual visual elements of each pictogram, considerations of space, and thickness of lines all contributed to improving the legibility of visuals.

CONCLUSIONS

The methodology for designing and modifying existing pictograms using a participatory process resulted in nine final pictograms that were approved by all design team members and considered good candidates for subsequent comprehension testing. The methodological schema presented in this paper provides guidance to researchers intending to design or modify pictograms.

Development of a Pictorial Patient Education Handout on Tracheostomy Care: A Mixed-Method Study

This article describes a qualitative and quantitative approach to the development and iterative revision process of producing valid, user-friendly pictorial patient education handouts (infographics) on tracheostomy care. An iterative user-centered design with health professional, patient, and family caregiver panels was used. The authors first developed a new evaluation tool for pictorial education handouts, the Perceived Infographics Usability Measurement (PIUM). The patient education handout, consisting of three A3-size posters with illustrations on key steps of daily tracheostomy care, reached a high consensus among health professional experts (88.3%) and patients and family caregivers (89.1%) on PIUM usability indexes. Patients and family caregivers expressed that the patient education handout would be an understandable teaching tool and procedure reminder, which would help alleviate fears about tracheostomy care. The PIUM demonstrated satisfactory content validity and reliability properties and was a quality tool to guide the transformation of text-based content to a pictorial patient education handout.

Differences in Data Trustworthiness and Risk Perception between Bar Graphs and Pictograms

We investigated whether differences in presentation style affect risk perception, understanding, preference, and trust toward data. One hundred and sixty Fukushima Medical University students were shown the lifetime probability of breast cancer incidence for a 50-year-old woman, presented in both a pictogram and a horizontal bar graph format. Participants rated each of the following on a five-point scale by looking at each figure: risk perception, perceived truth of data, and comparative risk perception. The perceived truth of data was high for pictograms, especially among men and among those defined as having lower health literacy. Women correctly perceived the risk of breast cancer as higher than that of dying in a car accident when the data were presented on a pictogram. There was no difference in risk perception, perceived truth of data, or comparative risk perception arising from being shown the bar graphs and the pictograms in a particular order. There was a 50/50 split on which type of graph was perceived as easier to understand, but the preference was for the pictogram format. It is important to devise a visual method of health communication that considers the purpose of the information and characteristics of the target audience.