Polio first given just after birth or later (IM9)
Data file: ch
Overview
Valid:
271
Invalid:
1080
Minimum:
1.0
Maximum:
9.0
Mean:
1.2841328413284132
Standard deviation:
0.786746161750129
Type:
Discrete
Width:
5
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | First two weeks | 208 |
76.8%
|
| 2 | Later | 61 |
22.5%
|
| 9 | Missing | 2 |
0.7%
|
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.