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Table 3 Conversion of raw composite scores to Rasch measure scores

From: Psychometric assessment of HIV/STI sexual risk scale among MSM: A Rasch model approach

Raw composite score Rasch measure score Standard error
0 -5.71 1.99
1 -4.02 1.32
2 -2.53 1.16
3 -1.26 1.08
4 -0.19 0.99
5 0.73 0.93
6 1.58 0.93
7 2.47 0.97
8 3.58 1.17
9 5.03 1.91