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Table 1 Baseline characteristics of participants between 2014 and 2016

From: Association between Asian dust exposure and respiratory function in children with bronchial asthma in Nagasaki Prefecture, Japan

 

Goto Islands (n = 37)

South Nagasaki (n = 73)

Sex

 Male, n (%)

21 (56.8)

45 (61.6)

 Female, n (%)

16 (43.2)

28 (38.4)

Age

 Mean age (years) (SD)

9.2 (3.3)

8.3 (2.5)

Body height

 Mean height (cm) (SD)

133.1 (18.3)

127.6 (15.3)

Body weight

 Mean weight (kg) (SD)

33.6 (14.2)

28.1 (10.5)

Severity of asthma

 Intermittent, n (%)

4 (11.1)

0 (0)

 Mild, n (%)

17 (47.2)

19 (28.8)

 Moderate, n (%)

9 (25.0)

40 (60.6)

 Severe, n (%)

6 (16.7)

7 (10.6)

Long term medications*

 LTRA, n (%)

34 (91.2)

52 (71.2)

 ICS (low), n (%)

11 (29.7)

20 (27.4)

 ICS (medium), n (%)

13 (35.1)

35 (47.9)

 ICS (high), n (%)

2 (5.4)

7 (9.6)

 LABA (medium), n (%)

1 (2.7)

8 (10.9)

 LABA (high), n (%)

1 (2.7)

0 (0)

 Anti-histamine, n (%)

4 (10.8)

5 (6.8)

IgE

 Total serum IgE, IU/mL (SD)

643.9 (1081.1)

1277.2 (1975.6)

Daily outside activities

 Weekdays (hour) (SD)

2.4 (1.3)

2.2 (0.9)

 Weekends (hour) (SD)

3.1 (1.5)

2.6 (1.6)

Using an air cleaner

 Every day, n (%)

12 (35.3)

26 (35.6)

 Sometimes, n (%)

9 (26.5)

11 (15.1)

 Never, n (%)

13 (38.2)

36 (49.3)

Secondhand smoking

 Smokers in home, n (%)

22 (62.9)

30 (41.1)

Observation period (years)

 Three, n (%)

13 (32.4)

37 (50.7)

 Two, n (%)

12 (32.4)

19 (26.0)

 One, n (%)

12 (35.1)

17 (23.3)

  1. LTRA Leukotriene receptor antagonist, ICS Inhaled corticosteroids, LABA Long-acting β2 agonists
  2. *Some of these medications are overlapped