Table 5

Prevalence of CO risk categories across the sample and health symptom response by risk category

CO Risk category
Prevalence in
sample % (n)
No health
symptoms
reported
1 or more
health
symptoms
reported
No
symptom
information

A_Very High
2% (13)
77% (10)
23% (3)
0% (0)
B_High
4% (22)
82% (18)
18% (4)
0% (0)
C_Medium
7% (42)
81% (34)
17% (7)
2% (1)
D_Low
19% (111)
89% (99)
10% (11)
1% (1)
Little or no risk
69% (409)
93% (379)
7% (28)
0% (2)
Total
100% (597)
90% (540)
9% (53)
1% (4)

Croxford et al. Environmental Health 2008 7:34   doi:10.1186/1476-069X-7-34