Category | Nagasaki (n = 24) | Isahaya (n = 49) |
---|---|---|
Sex –boysa | 15 (62.5) | 29 (60.4) |
Age in March 2014 (years) | 7.1 (1.7) | 8.7 (2.8) |
Body weight (kg) | 26.5 (7.8) | 32.5 (12.3) |
Body height (cm) | 126.0 (11.0) | 134.0 (16.2) |
Body mass index (kg/m2) | 16.4 (2.3) | 17.4 (2.7) |
Secondhand smokea | ||
 Yes | 10 (41.7) | 15 (30.6) |
  No | 14 (58.3) | 34 (69.4) |
Use of air cleaner at homea | ||
  Everyday | 9 (37.5) | 17 (34.7) |
  Sometimes | 3 (12.5) | 7 (14.3) |
  Never | 12 (50.0) | 25 (51.0) |
Days with fever per child | 1.3 (2.0) | 1.9 (2.9) |
Days with use of an inhaler per child | 8.2 (26.9) | 9.6 (34.5) |
Days with medication for internal use per child | 6.0 (19.3) | 6.8 (16.8) |
PEF (L/min) | ||
  Morning PEF | 215.3 (55.2) | 247.6 (76.0) |
  Evening PEF | 222.1 (53.8) | 253.0 (76.2) |
The number of PEF measurements in total (days) | ||
  Morning PEF | 4075 | 9468 |
  Evening PEF | 4365 | 9549 |
The number of PEF measurements per child (days) | ||
  Morning PEF | 170.0 (92.6) | 193.2 (77.4) |
  Evening PEF | 181.9 (87.9) | 194.8 (73.6) |
The number of PEF measurements per child (days)b | ||
  Morning PEF | 176.5 (1–282) | 190.0 (0–276) |
  Evening PEF | 170.0 (5–282) | 209.0 (45–276) |
Asthma worsening episodes based on PEF reduction > 15% (times) | ||
  Morning PEF | 4.2 (3.1) | 4.7 (3.8) |
  Evening PEF | 4.7 (3.0) | 5.1 (3.7) |
Asthma worsening episodes based on PEF reduction > 20% (times) | ||
  Morning PEF | 3.2 (2.9) | 3.9 (3.7) |
  Evening PEF | 3.6 (3.1) | 3.9 (3.7) |