Demographics of the sample of exercising women (N=6812) by country
| Country | n (% of total sample) | Weekly exercise volume (min) | BMI (kg/m2) | Age (years) | Number of menstrual cycle symptoms | MSi | Number of ‘often’ symptoms out of 18 | Experience of at least one symptom ‘often’ |
| Brazil | 892 (13.1) | 634.1 (511.1) | 23.9 (3.7) | 37.5 (8.1) | 12.4 (3.9) | 25.8 (10.2) | 3.8 (2.9) | 785 (88.0) |
| France | 1355 (19.9) | 414.3 (318.4) | 21.9 (2.9) | 37.7 (9.1) | 9.6 (4.3) | 19.0 (10.3) | 2.6 (2.5) | 1050 (77.5) |
| Germany | 839 (12.3) | 500.5 (362.1) | 22.7 (3.1) | 38.6 (9.0) | 9.6 (4.2) | 17.9 (10.1) | 2.3 (2.5) | 574 (68.4) |
| Spain | 834 (12.2) | 633.4 (476.6) | 21.9 (2.9) | 39.8 (8.8) | 10.9 (4.0) | 22.1 (9.9) | 3.2 (2.7) | 697 (83.6) |
| UK & Ireland | 1350 (19.8) | 529.9 (375.1) | 23.9 (4.1) | 38.8 (8.5) | 12.5 (4.2) | 26.0 (11.1) | 3.8 (3.2) | 1144 (84.7) |
| USA | 1542 (22.6) | 565.7 (363.3) | 23.6 (4.2) | 37.6 (8.5) | 12.4 (4.2) | 25.3 (10.9) | 3.6 (3.1) | 1277 (82.8) |
| Total | 6812 (100) | 537.7 (402.1) | 23.0 (3.7) | 38.3 (8.7) | 11.3 (4.4) | 22.9 (11.0) | 3.6 (3.3) | 5527 (81.1) |
Categorical variables are summarised as count (percentage) and continuous variables as mean (SD).
BMI, body mass index; MSi, Menstrual Symptom index.