Table 3.

Distribution of professionals groups

Occupation CNP a	n	%
Management of companies and public administration	18	2.4
Technical and scientific professionals and intellectuals	341	45.8
Technical and associate professionals	113	15.2
Administrative employees	105	14.1
Workers in catering services, personnel, security, etc.	122	16.4
Skilled agricultural and fishery	0	0
Tradespeople and skilled workers in manufacturing	2	0.3
Plant and machine operators, assemblers	29	3.9
Unskilled workers	14	1.9
Missing value	1	0.1
Total	745	100

^a Portuguese National Classification of Occupations