15) As part of this work do you (did you) regularly use....
A TELEPHONE, MOBILE PHONE, INTERNET COMMUNICATION (SKYPE, VOIP, VIBER) OR OTHER COMMUNICATION DEVICE?
Categories
Value
Category
0
No
1
Yes
2
No
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.