Questionnaires employed in the previous studies 715

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Questionnaires employed in the previous studies [7,15] were taken as a reference for mounting the current questionnaire. However, the present questionnaire differs from the previous questionnaires in that the questionnaire has been tested for content validity ensuring inclusion of all relevant domains together with emphasis on item relevance in each domain where the experts in the field involved in rating the relevance of each item on a modified 4‑point Likert scale ranging from “not relevant” to “highly relevant”. Content validity was assessed using content validity index (CVI), both at item level (I‑CVI) and scale level (S‑CVI). All the questions were rated as “quite relevant” or “highly relevant” by the raters. I‑CVI was found to be >0.83, and the S‑CVI was found to be 0.964 indicating good validity. The questionnaire was employed in subjects to know the knowledge, attitude, and awareness of medical faculty toward periodontal diseases. Of the 16 questions in the self‑administered questionnaire employed in this study, 10 (3–12) were knowledge questions. Periodontal knowledge score for each participant was calculated based on their responses for these ten questions. The possible knowledge score obtained by a participant ranges from 0 to 10. The questionnaire employed in the study was illustrated in Table 1. Statistical analysis The analysis was done by descriptive analysis as percentage/ proportions. Chi‑square test was done to test the responses to various knowledge questions based on previous dental visit. Independent samples’ t ‑test was done to evaluate the mean periodontal knowledge scores based on previous dental visit and qualification of care provider. RESULTS One‑hundred and fifty participants completed the questionnaire. After checking for adequacy/completeness of responses, the data were subjected to analysis. Majority of the study participants (82%) had a previous dental visit. Of those who had a previous dental visit, 78% sought care from a specialist dental practitioner, while 22% sought care from a general dental practitioner. 62% of the participants rightly acknowledged the specialty for gum diseases as periodontology [Figure 1]. Descriptive statistics for various items in the questionnaire were provided in Table 2. More than half (51.3%) of the study participants opined that food debris is the major cause for periodontal disease, while only 31.3% believed plaque to be the major cause. Significant difference was found in this regard between those who had a previous dental visit and those who never had a dental visit ( P = 0.003) [Table 3]. Sixty percent of the participants believed that smoking has an effect on periodontal disease and treatment outcome to a great extent. 52.6% of the medical faculty opined that scaling causes loss of enamel. The bidirectional relation between periodontal and systemic diseases was known to 56.7% of respondents, and 31.3% opined that it is the periodontal disease which could lead to systemic diseases.
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