Cela fait combien d'annees que vous avez reçu la derniere injection antitetanique avant la grossesse de (nom)?
Categories
Value
Category
0
1
2
3
4
5
6
7
8
9
10
12
13
14
15
17
97
Inconsistent
99
Manquant
Sysmiss
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.