Polio first given just after birth or later (IM9)
Data file: ch
Overview
Valid:
161
Minimum:
1.0
Maximum:
2.0
Mean:
1.031055900621118
Standard deviation:
0.17401006610420577
Type:
Discrete
Width:
5
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | First two weeks | 156 |
96.9%
|
| 2 | Later | 5 |
3.1%
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.