ESENER-PSR 2009 - European Agency for Safety and Health at Work
ESENER-PSR 2009 - European Agency for Safety and Health at Work
ESENER-PSR 2009 - European Agency for Safety and Health at Work
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such as the French SIRENE directory are still classified according to n<strong>at</strong>ional systems (here:<br />
the French NAF codes).<br />
Nevertheless, none of these altern<strong>at</strong>ive n<strong>at</strong>ional or intern<strong>at</strong>ional codes presented problems<br />
regarding the sampling <strong>and</strong> weighting of the <strong>ESENER</strong> since all these altern<strong>at</strong>ive systems of<br />
codific<strong>at</strong>ion are well adaptable to NACE. There is not always a 100%-congruency with NACE,<br />
but existing differences are confined to very fine levels of classific<strong>at</strong>ion (third or fourth digit of<br />
NACE). In the new NACE version, comp<strong>at</strong>ibility of these altern<strong>at</strong>ive systems of codific<strong>at</strong>ion<br />
has even further improved.<br />
A more problem<strong>at</strong>ic issue will be the codific<strong>at</strong>ion of addresses taken from either the Yellow- or<br />
the White-Pages telephone books or other address-bases which are based on telephoneregisters.<br />
Such registers were used in a couple of countries <strong>for</strong> addresses of the Public Sector.<br />
For these establishments of NACE Rev. 1.1. L / Rev. 2 O, the Yellow- or White-Pages entries<br />
(with topics such “municipalities”, “police-st<strong>at</strong>ions” or the like) had to be converted manually<br />
into NACE-codes.<br />
The congruency of the sectors of activity contained in the various address-sources with the<br />
NACE-codific<strong>at</strong>ion is extremely important <strong>for</strong> this survey, as it was decided not to integr<strong>at</strong>e any<br />
question about the kind of activity carried out in the surveyed establishments. Instead, the<br />
codes of activity as contained in the address-sources had to be added to the questionnaires.<br />
This procedure saved valuable interviewing time <strong>and</strong> can in most cases be supposed to be<br />
more accur<strong>at</strong>e than asking a lengthy <strong>and</strong> difficult question about the establishments’ type of<br />
activity to the respondents.<br />
While the comp<strong>at</strong>ibility of the altern<strong>at</strong>ive classific<strong>at</strong>ion systems with NACE is unproblem<strong>at</strong>ic,<br />
the most recent revision of the NACE codific<strong>at</strong>ion itself constituted a major challenge <strong>for</strong> the<br />
sampling <strong>and</strong> weighting of the <strong>ESENER</strong>: Until the end of 2007, the NACE code had been<br />
applied in its first revision of 1990 (NACE Rev. 1). Since 1 st January 2008, however, a new<br />
NACE version (NACE Rev. 2) has come into effect which significantly differs from the <strong>for</strong>mer<br />
version NACE Rev. 1 even on the 1-digit level.<br />
The n<strong>at</strong>ional st<strong>at</strong>istical offices of the EU member st<strong>at</strong>es are obliged to use the new NACE<br />
version since the beginning of 2008 <strong>for</strong> a series of official economic st<strong>at</strong>istics. Business<br />
address registers <strong>and</strong> st<strong>at</strong>istics on the distribution of establishments by sectors of activity have<br />
however often not yet been adapted to the new NACE classific<strong>at</strong>ion.<br />
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