| |
Contacteda(n = 1,820)
|
Status of consentb(n = 871)
|
|---|
| |
Yes
|
No
|
p-value
|
Given
|
Refused
|
p-value
|
|---|
|
Study
| | |
<0.0001
| | |
0.76
|
|
FHS
|
138 (48.6%)
|
146 (51.4%)
| |
98 (90.7%)
|
10 (9.3%)
| |
|
WELD
|
551 (73.3%)
|
201 (26.7%)
| |
423 (88.7%)
|
54 (11.3%)
| |
|
INHALE
|
456 (58.2%)
|
328 (41.8%)
| |
252 (88.1%)
|
34 (11.9%)
| |
|
Sex
| | |
<0.0001
| | |
0.05
|
|
Male
|
238 (48.5%)
|
253 (51.5%)
| |
122 (84.1%)
|
23 (15.9%)
| |
|
Female
|
907 (68.3%)
|
422 (31.7%)
| |
651 (89.7%)
|
75 (10.3%)
| |
|
Age (years)
| | |
<0.0001
| | |
0.07
|
|
<49
|
229 (51.0%)
|
220 (49.0%)
| |
163 (92.6%)
|
13 (7.4%)
| |
|
50+
|
916 (66.8%)
|
455 (33.2%)
| |
610 (87.8%)
|
85 (12.2%)
| |
|
Race
| | |
<0.0001
| | |
0.43
|
|
White
|
578 (72.2%)
|
223 (27.8%)
| |
448 (89.8%)
|
51 (10.2%)
| |
|
Black
|
550 (55.6%)
|
439 (44.4%)
| |
312 (87.2%)
|
46 (12.9%)
| |
|
Other
|
17 (56.7%)
|
13 (43.3%)
| |
13 (92.9%)
|
1 (7.1%)
| |
|
Status
| | |
0.0009
| | |
0.48
|
|
Case
|
362 (68.8%)
|
164 (31.2%)
| |
248 (89.9%)
|
28 (10.1%)
| |
|
Control
|
783 (60.5%)
|
511 (39.5%)
| |
525 (88.2%)
|
70 (11.8%)
| |
- aExcludes 13 people for whom contact status was unclear/still pending.
- bExcludes 274 people who were successfully contacted and verbally agreed but never sent back the form (n = 252), individuals who were contacted but too sick to give informed consent (n = 30), and n = 2 individuals who were deceased but had next of kin return a consent form.
