Research Article
Prevalence of Primary Dysmenorrhoea and Its Impact on Academic Performance among Croatian Students during the COVID-19 Pandemic
Table 2
Relationship between the intensity of dysmenorrhoea and its perceived impact on some academic activities.
| | Activity Impact | Intensity of dysmenorrhoea | Kendall tau | 95% CI | | Mild N = 64 n (%) | Moderate N = 248 n (%) | Severe N = 549 n (%) |
| | Class attendance | | None | 51 (79.7) | 111 (12.9) | 109 (12.7) | 0.444 | 0.408–0.479 | | Mild | 10 (15.6) | 78 (9.1) | 119 (13.8) | | Moderate | 3 (4.7) | 53 (6.1) | 201 (23.3) | | Major | 0 (0.0) | 6 (0.7) | 120 (13.9) |
| | Concentration in class | | None | 27 (42.2) | 23 (2.7) | 5 (0.6) | 0.494 | 0.460–0.527 | | Mild | 28 (43.8) | 93 (10.8) | 70 (8.1) | | Moderate | 8 (12.5) | 104 (12.1) | 211 (24.5) | | Major | 1 (1.6) | 28 (3.3) | 263 (30.5) |
| | Doing homework/learning | | None | 26 (40.6) | 23 (2.7) | 8 (0.9) | 0.446 | 0.410–0.481 | | Mild | 29 (45.3) | 92 (10.7) | 65 (7.5) | | Moderate | 8 (12.5) | 94 (10.9) | 227 (26.4) | | Major | 1 (1.6) | 39 (4.5) | 249 (28.9) |
| | Exam performance | | None | 35 (54.7) | 46 (5.3) | 30 (3.5) | 0.437 | 0.400–0.472 | | Mild | 24 (37.5) | 110 (12.8) | 109 (12.7) | | Moderate | 4 (6.3) | 64 (7.4) | 225 (26.1) | | Major | 1 (1.6) | 28 (3.3) | 185 (21.5) |
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†Percentages may not total 100% due to rounding.
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