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| | Goto Islands | South Nagasaki |
|---|
| 2014 | 2015 | 2016 | 2014 | 2015 | 2016 |
|---|
| Number of PEFR measurements |
| Total peak flow days | 2242 (100) | 2023 (100) | 1731 (100) | 4286 (100) | 4649 (100) | 4678 (100) |
| Asthma attack defined by PEFR reduction* |
| Mild (person day) (%) | 428 (19.1) | 358 (17.7) | 554 (32.0) | 1080 (25.2) | 1011 (21.8) | 729 (15.6) |
| Moderate (person day) (%) | 115 (5.1) | 158 (7.8) | 232 (13.4) | 289 (6.7) | 309 (6.7) | 216 (4.6) |
| Severe (person day) (%) | 44 (1.9) | 73 (3.6) | 58 (3.4) | 59 (1.4) | 68 (1.5) | 62 (1.3) |
| Self-reported respiratory symptoms |
| Self-reported attacks |
| 0: None | 2183 (87.9) | 1802 (81.6) | 2015 (91.3) | 4156 (88.6) | 4800 (91.5) | 4910 (92.0) |
| 1: Attack without dyspnea | 221 (8.9) | 339 (15.4) | 92 (4.2) | 457 (9.7) | 379 (7.2) | 329 (6.2) |
| 2: Attack with little dyspnea | 68 (2.7) | 60 (2.7) | 99 (4.5) | 75 (1.6) | 59 (1.1) | 82 (1.5) |
| 3: Attack with much dyspnea | 12 (0.5) | 7 (0.3) | 2 (0.1) | 3 (0.1) | 6 (0.1) | 15 (0.3) |
| Attack in exercise (person day) (%) | 33 (1.3) | 69 (3.1) | 9 (0.4) | 47 (1.0) | 165 (3.2) | 82 (1.5) |
| Sleep disturbance (person day) (%) | 22 (0.9) | 19 (0.9) | 21 (1.0) | 24 (0.5) | 24 (0.5) | 37 (0.7) |
| The usage of the inhalants (person day) (%) | 110 (4.4) | 159 (7.2) | 79 (3.6) | 276 (5.9) | 152 (2.9) | 231 (4.3) |
| The usage of the oral medicine (person day) (%) | 69 (2.8) | 200 (9.1) | 29 (1.3) | 178 (3.8) | 141 (2.7) | 155 (2.9) |
| Emergency visits (person day) (%) | 14 (0.6) | 23 (1.0) | 11 (0.5) | 11 (0.2) | 17 (0.3) | 20 (0.4) |
| Either symptoms (person day) (%)** | 401 (16.1) | 604 (27.4) | 263 (11.9) | 730 (15.6) | 571 (10.9) | 637 (11.9) |
| Self-reported other symptoms |
| Skin (person day) (%) | 93 (3.7) | 375 (17.0) | 146 (6.6) | 573 (12.2) | 742 (14.2) | 442 (8.3) |
| Eye (person day) (%) | 371 (14.9) | 283 (12.8) | 188 (8.5) | 493 (10.5) | 463 (8.8) | 444 (8.3) |
| Nose (person day) (%) | 562 (22.6) | 863 (39.1) | 699 (31.7) | 1020 (21.7) | 1310 (24.9) | 1002 (18.8) |
| Either symptoms (person day) (%)*** | 797 (32.1) | 1044 (47.3) | 793 (35.9) | 1390 (29.6) | 1875 (35.8) | 1460 (27.3) |
- *Base on the personal best peak expiratory flow rate of every month
- **Secondary outcome related to respiratory symptoms
- ***Secondary outcome related to other than respiratory symptoms
