Research Article
Dysmenorrhea among University Health Science Students, Northern Ethiopia: Impact and Associated Factors
Table 2
Menstrual characteristics of participants, 2014.
| Variable | Frequency | Percent |
| Menstruation cycle | | | 21 days or less | 37 | 15.4 | 23 to 34 days | 188 | 78.3 | 35 or greater days | 15 | 6.2 | Menstruation cycle regularity | | | Regular | 163 | 67.4 | Irregular | 79 | 32.6 | Menstruation bleeding duration | | | 2-3 days | 54 | 22.4 | 4-5 days | 155 | 64.3 | 6-7 days | 32 | 13.3 | Experience of dysmenorrhea | | | Yes | 173 | 71.8 | No | 68 | 28.2 | Family history of dysmenorrhea | | | Yes | 129 | 54.4 | No | 108 | 45.6 |
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