Table 5

Demographics and asthma status for potential, excluded and confirmed cases


Potential Cases
Excluded Cases
Confirmed Cases
Female n, (%)
483 (65)
176 (64)
307 (66)
Age, female mean (SD)
34.4 (12)
33.5 (12)
34.8 (12)

Males
263 (35)
101 (37)
162 (35)
Age, male mean (SD)
34.2 (12)
33.6 (12)
34.6 (12)

Asthma Status Prior to Index Month n, (%)



No Prior Asthma
211 (28)
1 (<1%)
210 (45)
Mild Intermittent, Inactive
279 (37)
20 (7)
259 (55)
Mild Intermittent, Active
39 (5)
39 (14)
0
Mild Persistent with Exacerbation
62 (8)
62 (22)
0
Mild Persistent
31 (4)
31 (11)
0
Moderate Persistent
7 (1)
7 (3)
0
Weak Evidence
58 (8)
58 (21)
0
No Evidence
35 (5)
35 (13)
0
Insufficient Data
24 (3)
24 (9)
0
Total
746
277
469

Sama et al. Environmental Health: A Global Access Science Source 2003 2:10   doi:10.1186/1476-069X-2-10