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Table 1 Subcategories and items of the 4th edition protocol and its item analysis (n = 176, Group 1)

From: Development of a scale to evaluate negative menstrual attitudes among Nepalese women

Items

M (SD)

Floor

Celling

M + 1SD

M − 1SD

Subcategory 1 debilitating event (7 items)

 1. I think more tired than usual during menstruation

3.1 (1.2)

1.9

4.3

 2. I think I expect extra consideration from people around me during menstruation

3.4 (1.2)

2.3

4.6

 3. I feel that changes in physical condition during menstruation are greater than changes in normal physical condition

3.3 (1.1)

2.2

4.4

 4. I think unhealthier than usual during menstruation

3.1 (1.1)

2.0

4.2

 5. I think I can’t do as usual behaviors during menstruation

2.6 (1.1)

1.5

3.8

 6. I think it is better to avoid certain behaviors during menstruation

2.9 (1.2)

1.8

4.2

 7. I easy not to feel well than usual before menstruation

2.7 (1.1)

1.6

3.8

Subcategory 2 Bothersome event (5 items)

 8. I think menstruation is something I just have to put up with

3.8 (0.9)

3.0

4.7

 9. I can’t feel good during menstruation

2.8 (1.2)

1.7

4.1

 10. I think men have advantage in not having menstruation

3.4 (1.2)

2.3

4.7

 11. I think I hope it will be possible to get a short menstrual period

3.1 (1.3)

1.8

4.4

 12. I think the only thing menstruation is good for is to let me know I’m not pregnant

3.7 (1.0)

2.7

4.6

Subcategory 3 natural event (5 items, reversed item)

 13. I think menstruation is realized womanhood

2.0 (0.8)

1.3

2.7

 14. I think I am more strongly aware of my health condition than usual by menstruation

2.1 (0.9)

1.2

2.8

 15. I think menstruation is a way to inform me of my health condition

1.9 (0.7)

1.3

2.5

 16. I think menstruation is phenomenon which keep all of life

2.1 (0.9)

1.3

2.9

 17. I think menstruation is a sign of good health

1.8 (0.7)

1.3

2.4

  1. M mean, SD standard deviation