CONTROL INFORMATION [TO BE COMPLETED BEFORE INTERVIEW]
Categories
Value
Category
1
Abia
2
Abuja
3
Anambra
4
Cross river
5
Enugu
6
Kaduna
7
Kano
8
Lagos
9
Oyo
10
Gombe
11
Jigawa
12
Katsina
13
Kebbi
14
Kwara
15
Nasarawa
16
Niger
17
Ogun
18
Sokoto
19
Zamfara
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.
Interviewer instructions
Sampling region defines the region stratum of the establishment
It is defined by the regional classification of the establishment in the sample frame