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Table 1 Degree of agreement among the expert panel

From: Sexuality and contraceptive knowledge in university students: instrument development and psychometric analysis using item response theory

Item Relevance Aiken’s statistic V CI 95% Clarity Aiken’s statistic V CI 95%
1b 0.89 0.72–0.96 1 0.88–1
2b 0.82 0.64–0.92 0.93 0.73–0.98
3b 0.93 0.73–0.98 1 0.88–1
4b 0.93 0.73–0.98 0.82 0.64–0.92
5b 0.82 0.64–0.92 1 0.88–1
6 0.82 0.64–0.92 0.93 0.73–0.98
7b 0.82 0.64–0.92 0.96 0.82–0.99
8b 0.96 0.82–0.99 0.96 0.82–0.99
9b 0.96 0.82–0.99 0.96 0.82–0.99
10 0.93 0.73–0.98 0.86 0.69–0.94
11b 0.82 0.64–0.92 1 0.88–1
12a 0.79 0.60–0.90
13b 0.86 0.69–094 0.93 0.73–0.98
14a 0.68 0.49–0.82
15 0.93 0.73–0.98 0.93 0.73–0.98
16b 0.86 0.69–0.94 1 0.88–1
17a 0.54 0.36–070
18 0.89 0.72–0.96 0.96 0.82–0.99
19 0.96 0.82–0.99 1 0.88–1
20a 0.75 0.57–0.87
21a 0.61 0.42–0.76
22a 0.68 0.49–0.82
23a 0.68 0.49–0.82
24a 0.71 0.43–0.85
25b 1 0.88–1 0.96 0.82–0.99
26b 0.96 0.82–0.99 0.82 0.64–0.92
27 1 0.88–1 0.96 0.82–0.99
28b 1 0.88–1 0.96 0.82–0.99
29b 1 0.88–1 0.93 0.73–0.98
30b 1 0.88–1 0.93 0.73–0.98
31b 1 0.88–1 0.86 0.69–0.94
32b 1 0.88–1 0.96 0.82–0.99
33b 1 0.88–1 0.96 0.82–0.99
34 1 0.88–1 0.96 0.82–0.99
35b 1 0.88–1 0.96 0.82–0.99
36 1 0.88–1 1 0.88–1
37 1 0.88–1 1 0.88–1
  1. aDeleted items
  2. bSelected items with modifications