| Variable |
Category |
A+ |
B+ |
A-ve |
B-ve |
AB+ |
AB-ve |
O+ |
O-ve |
Total |
| Previous donation |
|
|
|
|
|
|
|
|
|
|
|
|
Yes |
92 |
73 |
12 |
19 |
26 |
3 |
93 |
3 |
321 |
|
|
Never |
73 |
101 |
8 |
10 |
21 |
6 |
60 |
4 |
283 |
|
|
Total |
165 |
174 |
20 |
29 |
47 |
9 |
153 |
7 |
604 |
| I gave an obligatory donation |
|
|
|
|
|
|
|
|
||
|
|
Yes |
19 |
15 |
4 |
6 |
7 |
2 |
7 |
1 |
61 |
|
|
No |
81 |
104 |
8 |
10 |
19 |
6 |
69 |
4 |
301 |
| I gave voluntary donation |
|
|
|
|
|
|
|
|
||
|
|
Yes |
35 |
25 |
4 |
5 |
9 |
0 |
19 |
1 |
98 |
|
|
No |
136 |
149 |
16 |
24 |
38 |
9 |
134 |
6 |
512 |
|
|
|
171 |
174 |
20 |
29 |
47 |
9 |
153 |
7 |
610 |
| Donation frequency |
|
|
|
|
|
|
|
|
||
|
|
Each 3 months |
15 |
7 |
2 |
1 |
5 |
2 |
8 |
0 |
40 |
|
|
Each 6 months |
5 |
3 |
0 |
2 |
4 |
1 |
3 |
0 |
18 |
|
|
Once a year |
15 |
8 |
2 |
2 |
4 |
0 |
6 |
0 |
38 |
|
|
infrequent |
0 |
1 |
0 |
0 |
0 |
0 |
2 |
0 |
3 |
|
|
Total |
35 |
19 |
4 |
5 |
13 |
3 |
19 |
0 |
99 |