Start of last menstrual period (unit) (UN13U)
Data file: wm
Overview
Valid:
2839
Invalid:
149
Minimum:
1.0
Maximum:
9.0
Mean:
2.2483268756604438
Standard deviation:
1.4280894890289288
Type:
Discrete
Width:
7
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days ago | 676 |
23.8%
|
| 2 | Weeks ago | 1430 |
50.4%
|
| 3 | Months ago | 520 |
18.3%
|
| 4 | Years ago | 126 |
4.4%
|
| 9 | Special | 87 |
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.