| Questionnaire | Answer |
|---|---|
| Information on respondents | |
| Sex | Male/Female |
| Age | Years old |
| Club activities you are leading | Male/Female, Free to write |
| Coaching history | Years |
| Athletic experience in the club you are coaching | Yes/No |
| Other athletic experience | Yes/No |
| Questions | |
| Q1: Have you ever talked about menstrual status or physical condition? | Yes/No |
| Q2: Do you understand the athlete's menstrual cycle and menstrual symptoms? | Yes/No |
| Q3: Is it used for practice planning and conditioning? | Yes/No |
| Q4: What do you do if a player complains of poor health? | Reduce practice/Another menu/Let the practice rest/ Let the person choose |
| Q5: What are your thoughts on the use of analgesics for menstrual cramps? | Actively use/Better to use/Don’t use/Other |
| Free description of the reason | |
| Q6: What are your thoughts on athletes with menstrual problems moving their menstruation for games? | Actively use/ Unavoidable/Don’t use |
| Free description of the reason | |
| Q7: Do you know that the menstrual cycle changes your physical condition and performance? | Know/Do not know |
| Q8: Do you know about premenstrual syndrome, a condition that makes you feel sick during the period before the start of menstruation? | Know/Do not know |
| Q9: Do you know that weight loss can lead to amenorrhea? | Know/Do not know |
| Q10: Do you know that menstruation stopped for a long period of time is a problem? | Know/Do not know |
| Q11: Do you know that there is a relationship between stopped menstruation and osteoporosis? | Know/Do not know |
| Q12: Do you know what is the Female Athlete Triad? | Know/Do not know |
| Characteristics | Total sample (n = 221) | Group 1 (n = 72) | Group 2 (n = 110) | Group 3 (n =39 ) | p-value |
|---|---|---|---|---|---|
| Age (years), mean±SD | 40.6 ± 11.0 | 39.8 ± 10.0 | 42.5 ± 11.5 | 37.1 ± 11.0 | 0.02 |
| Years of instruction, mean±SD | 12.9 ± 11.1 | 13.0 ± 10.1 | 14.5 ± 12.1 | 8.1 ± 8.6 | 0.002 |
| Type of sport, n (%) | |||||
| Athletics | 34 (15.4) | 1 (1.4) | 28 (25.5) | 5 (12.8) | |
| Baseball | 31 (14.0) | 31 (43.1) | 0 (0) | 0 (0) | |
| Basketball | 26 (11.8) | 6 (8.3) | 12 (10.9) | 8 (20.5) | |
| Kendo | 17 (7.7) | 1 (1.4) | 16 (14.5) | 0 (0) | |
| Volleyball | 16 (7.2) | 4 (5.5) | 7 (6.4) | 5 (12.8) | |
| Badminton | 12 (5.4) | 1 (1.4) | 7 (6.4) | 4 (10.3) | |
| Football | 11 (5.0) | 10 (13.9) | 1 (0.9) | 0 (0) | |
| Others | 74 (33.5) | 18 (25.0) | 39 (35.4) | 17 (43.6) | |
| Q1: Have you ever talked about menstrual status or physical condition? n (%) | |||
| Group 2 (n = 110) | Group 3 (n = 39) | ||
| Yes | 68 (61.8) | 37 (94.9) | p = 0.000035 |
| No | 42 (38.2) | 2 (5.1) | |
| No response | 0 (0) | 0 (0) | |
| Q2: Do you understand the athlete's menstrual cycle and menstrual symptoms? n (%) | |||
| Group 2 (n = 110) | Group 3 (n = 39) | ||
| Grasp everyone | 0 (0) | 0 (0) | p = 0.041 |
| Partially grasped | 26 (23.6) | 10 (25.7) | |
| Inferred from the state of the players | 48 (43.7) | 24 (61.5) | |
| Do not know | 36 (32.7) | 5 (12.8) | |
| No response | 0 (0) | 0 (0) | |
| Q3: Is it used for practice planning and conditioning? n (%) | |||
| Group 2 (n = 110) | Group 3 (n = 39) | ||
| Yes | 26 (23.6) | 8 (20.5) | p = 0.82 |
| No | 58 (52.7) | 21 (53.9) | |
| No response | 26 (23.6) | 10 (25.6) | |
| Q4: What do you do if a player complains of poor health? n (%)* | |||
| Group 2 (n = 117) | Group 3 (n = 42) | ||
| Reduce practice | 5 (4.2) | 2 (4.7) | p = 0.32 |
| Another menu | 15 (12.5) | 3 (7.0) | |
| Let the person rest | 52 (43.3) | 15 (34.9) | |
| Let the person choose | 45 (37.5) | 22 (51.1) | |
| No response | 0 (0) | 0 (0) | |
| Q5: About the use of painkillers n (%) | ||||
| Group 1 (n = 72) | Group 2 (n = 110) | Group 3 (n = 39) | ||
| Actively use | 5 (6.9) | 7 (6.4) | 7 (18.0) | p = 0.17 |
| Better to use | 49 (68.1) | 72 (65.5) | 27 (69.2) | |
| Don’t use | 4 (5.6) | 2 (1.8) | 0 (0) | |
| Other | 11 (15.3) | 26 (23.6) | 5 (12.8) | |
| No response | 3 (4.1) | 3 (2.7) | 0 (0) | |
| Q6: About menstrual movement n (%) | ||||
| Group 1 (n = 72) | Group 2 (n = 110) | Group 3 (n = 39) | ||
| Actively use | 9 (12.5) | 22 (20.0) | 5 (12.8) | p = 0.28 |
| Unavoidable | 55 (76.4) | 75 (68.2) | 33 (84.6) | |
| Don’t use | 7 (9.7) | 12 (10.9) | 1 (2.6) | |
| No response | 1 (1.4) | 1 (0.9) | 0 (0) | |
| Q7: Changes in physical condition due to the menstrual cycle n (%) | ||||
| Group 1 (n = 72) | Group 2 (n = 110) | Group 3 (n = 39) | ||
| Know | 63 (87.5) | 101 (91.8) | 39 (100) | p = 0.081 |
| Not known | 8 (11.1) | 9 (8.2) | 0 (0) | |
| No response | 1 (1.4) | 0 (0) | 0 (0) | |
| Q8: Premenstrual syndrome n (%) | ||||
| Group 1 (n = 72) | Group 2 (n = 110) | Group 3 (n = 39) | ||
| Known | 48 (66.7) | 77 (70.0) | 36 (92.3) | p = 0.0074 |
| Not known | 22 (30.5) | 33 (30.0) | 3 (7.7) | |
| No response | 2 (2.8) | 0 (0) | 0 (0) | |
| Q9: Weight loss amenorrhea n (%) | ||||
| Group 1 (n = 72) | Group 2 (n = 110) | Group 3 (n = 39) | ||
| Know | 55 (76.4) | 91 (82.7) | 37 (94.9) | p = 0.052 |
| Not known | 16 (22.2) | 37 (94.9) | 2 (5.1) | |
| No response | 1 (1.4) | 0 (0) | 0 (0) | |
| Q10: Long-term amenorrhea is a problem n (%) | ||||
| Group 1 (n = 72) | Group 2 (n = 110) | Group 3 (n = 39) | ||
| Know | 69 (95.8) | 108 (98.2) | 39 (100) | p = 0.66 |
| Not known | 2 (2.8) | 2 (1.8) | 0 (0) | |
| No response | 1 (1.4) | 0 (0) | 0 (0) | |
| Q11: Relationship between amenorrhea and osteoporosis n (%) | ||||
| Group 1 (n = 72) | Group 2 (n = 110) | Group 3 (n = 39) | ||
| Know | 33 (45.8) | 64 (58.2) | 28 (71.8) | p = 0.034 |
| Not known | 38 (52.8) | 46 (41.8) | 11 (28.2) | |
| No response | 1 (1.4) | 0 (0) | 0 (0) | |
| Q12: About female athlete triad n (%) | ||||
| Group 1 (n = 72) | Group 2 (n = 110) | Group 3 (n = 39) | ||
| Know | 9 (12.5) | 27 (24.5) | 17 (43.6) | p = 0.0017 |
| Not known | 59 (81.9) | 82 (74.6) | 21 (53.8) | |
| No response | 4 (5.6) | 1 (0.9) | 1 (2.6) | |
