Table 2 Reliability of the Mongolian version of the PSQ (n = 431)
From: Validation of the premenstrual symptoms questionnaire among Mongolian nursing school students
Number of Items | Item mean | Minimum | Maximum | Cronbach’s alpha (95% CI) | Split-half correlation | ||
|---|---|---|---|---|---|---|---|
14 | 2.161 | 1.768 | 2.608 | 0.945 | (0.938 | 0.953) | 0.828 |