One variable
|
Two categories
|
50.0
|
<90
|
0.8b
|
45.0 to 48.8
|
1.2 to 5.0
|
0.7
|
| |
90 to <200
|
0.7b
|
49.0
|
1.0
|
0.6
|
| |
≥200
|
0.7b
|
49.5 to 49.9
|
<1.0
|
0.5
|
Two categories - unequal prevalence
| |
< 80
|
0.9b
|
45.0 to 48.8
|
1.4 to 5.0
|
0.8
|
| |
80 to <200
|
0.8b
|
49.0
|
<1.0
|
0.7
|
| |
≥200
|
0.7b
|
49.0 to 49.9
|
<1.0
|
0.5
|
Three categories
| |
<90
|
0.9b
|
45.0 to 48.8
|
1.2 to 5.0
|
0.8
|
| |
90 to <200
|
0.8b
|
49.0
|
1.0 to 1.1
|
0.7
|
| |
200 and <300
|
0.7b
|
49.0
|
1.0
|
0.6
|
| |
≥300
|
0.7b
|
49.3 to 49.6
|
<1.0
|
0.5
|
Four categories
| |
≤100
|
0.9b
|
40.0 to 49.0
|
1.0 to 5.0
|
0.8
|
| |
200 and <400
|
0.7b
|
49.0 to 49.3
|
0.7 to 1.0
|
0.6
|
| |
≥400
|
0.7b
|
49.5 to 49.6
|
<1.0
|
0.5
|
Two variables
|
Both with 2 categories
|
72.0
|
100
|
0.8
|
63.0
|
9.0
|
0.7
|
| |
200
|
0.7
|
60.0
|
12.0
|
0.6
|
| |
≥300
|
0.7
|
60.0
|
12.0
|
0.5
|
Both with 2 categories - unequal prevalence
| |
<100
|
1.0
|
-
|
-
|
0.9
|
| |
100
|
0.9
|
68.0
|
4.0
|
0.8
|
| |
200
|
0.7
|
60.0
|
12.0
|
0.6
|
| |
≥300
|
0.7
|
60.0
|
12.0
|
0.5
|
One with 2 categories, one with 3 categories
| |
100
|
0.9
|
68.0
|
4.0
|
0.8
|
| |
200 to 300
|
0.7
|
60.0
|
12.0
|
0.6
|
| |
≥400
|
0.7
|
60.0
|
12.0
|
0.5
|
Both with 3 categories
| |
≤100
|
1.0
|
-
|
-
|
0.9
|
| |
200 to 300
|
0.7
|
60.0
|
12.0
|
0.6
|
| |
≥400
|
0.7
|
60.0
|
12.0
|
0.5
|
Both with 4 categories
|
70.0
|
≤100
|
1.0
|
-
|
-
|
0.9
|
| |
200
|
0.8
|
64.0
|
6.0
|
0.7
|
| |
300 to 400
|
0.7
|
60.0
|
10.0
|
0.6
|
| |
500
|
0.7
|
60.0
|
10.0
|
0.5
|
Three variables
|
All with 2 categories - equal prevalence
|
80.0
|
100
|
0.8
|
68.0
|
12.0
|
0.7
|
| |
200 to 300
|
0.7
|
63.0
|
17.0
|
0.6
|
| |
≥400
|
0.7
|
63.0
|
17.0
|
0.5
|
All with 2 categories - unequal prevalence
| |
100
|
0.9
|
74.0
|
6.0
|
0.8
|
| |
200
|
0.8
|
69.0
|
11.0
|
0.7
|
| |
300
|
0.7
|
63.0
|
17.0
|
0.6
|
| |
≥400
|
0.7
|
63.0
|
17.0
|
0.5
|
Four variables
|
All with 2 categories- equal prevalence
|
85.0
|
100
|
0.9
|
78.0
|
7.0
|
0.8
|
| |
200
|
0.8
|
72.0
|
13.0
|
0.7
|
| |
300 to 400
|
0.7
|
65.0
|
20.0
|
0.6
|
| |
≥500
|
0.7
|
65.0
|
20.0
|
0.5
|
All with 2 categories- unequal prevalence
| |
100
|
1.0
|
-
|
-
|
0.9
|
| |
200
|
0.8
|
72.0
|
13.0
|
0.7
|
| |
300 to 400
|
0.7
|
65.0
|
20.0
|
0.6
|
| |
≥500
|
0.7
|
65.0
|
20.0
|
0.5
|