| |
Active response (N = 3518)
|
Participation (N = 3447d)
|
|---|
|
No
|
Yesa
|
ORb (95% CI)
|
No
|
Yes
|
ORc (95% CI)
|
|---|
|
n
|
%
|
n
|
%
|
n
|
%
|
n
|
%
|
|---|
|
Envelope color
|
|
White
|
1929
|
95.4
|
93
|
4.6
|
1
|
1766
|
89.0
|
218
|
11.0
|
1
|
|
Grey
|
1418
|
94.8
|
78
|
5.2
|
1.16 (0.83, 1.62)
|
1308
|
89.4
|
155
|
10.6
|
0.95 (0.76, 1.19)
|
|
Sexe
|
|
Female
|
1108
|
93.8
|
73
|
6.2
|
1
|
1003
|
86.2
|
161
|
13.8
|
1
|
|
Male
|
2239
|
95.8
|
98
|
4.2
|
0.73 (0.53, 1.02)
|
2071
|
90.7
|
212
|
9.3
|
0.71 (0.57, 0.90)
|
|
Nationalitye
|
|
Non-German
|
690
|
98.6
|
10
|
1.4
|
1
|
644
|
96.4
|
24
|
3.6
|
1
|
|
German
|
2657
|
94.3
|
161
|
5.7
|
3.75 (2.07, 7.66)
|
2430
|
87.4
|
349
|
12.6
|
3.46 (2.31, 5.43)
|
|
Age
|
|
20–29
|
339
|
96.0
|
14
|
4.0
|
1.41 (0.73, 2.56)
|
319
|
93.3
|
23
|
6.7
|
0.89 (0.54, 1.41)
|
|
30–39
|
182
|
96.8
|
6
|
3.2
|
1.15 (0.43, 2.57)
|
177
|
95.7
|
8
|
4.3
|
0.58 (0.26, 1.15)
|
|
40–49
|
1321
|
96.9
|
43
|
3.2
|
1
|
1233
|
91.9
|
109
|
8.1
|
1
|
|
50–59
|
887
|
94.1
|
56
|
5.9
|
1.78 (1.19, 2.69)
|
784
|
85.0
|
138
|
15.0
|
1.83 (1.40, 2.40)
|
|
60–69
|
618
|
92.2
|
52
|
7.8
|
2.25 (1.48, 3.43)
|
561
|
85.5
|
95
|
14.5
|
1.67 (1.24, 2.25)
|
|
N
|
3347
| |
171
| | |
3074
| |
373
| | |
- OR odds ratio, CI confidence interval
- aIncludes subjects who replied by letter, phone call, e-mail or visited the study center in person
- bAdjusted for pre-trial likelihood of active responses to invitation letter stratified by weekdays
- cAdjusted for pre-trial study participation stratified by weekdays
- dSubjects excluded from analysis (N = 71): recruitment not complete (N = 22), subject not eligible, not capable, or deceased (N = 49)
- eInformation provided by Bremen’s resident registration office
