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. Author manuscript; available in PMC: 2011 Oct 11.
Published in final edited form as: Arthritis Rheum. 2009 Oct;61(10):1425–1434. doi: 10.1002/art.24740

Table 2.

Characteristics of workers participating in the French Pays de la Loire study

MEN WOMEN ALTOGETHER

N (%) N (%) N (%)

Study population 2,162 (58.3) 1,548 (41.7) 3,710 (100)
Age (years) (n = 3,703)
 • < 30 514 (23.8) 361 (23.3) 875 (23.6)
 • 30–35 344 (16.0) 228 (14.8) 572 (15.5)
 • 35–39 307 (14.2) 201 (13.0) 508 (13.7)
 • 40–44 311 (14.4) 250 (16.2) 561 (15.2)
 • 45–49 301 (14.0) 237 (15.3) 538 (14.5)
 • 50–54 265 (12.3) 186 (12.0) 451 (12.2)
 • ≥ 55 114 (5.3) 84 (5.4) 198 (5.3)
Economic sector (n = 3,701)
 • Agriculture 31 (1.4) 25 (1.6) 56 (1.5)
 • Industry 859 (39.8) 401 (26.0) 1,260 (34.0)
 • Construction 189 (8.8) 25 (1.6) 214 (5.8)
 • Services 1,078 (50.0) 1,093 (70.8) 2,171 (58.7)
Occupation (n = 3,705)
 • Farmers (1) 0 (0.0) 0 (0.0) 0 (0.0)
 • Craftsmen (1) 13 (0.6) 3 (0.2) 16 (0.4)
 • Managers and professionals 210 (9.7) 78 (5.0) 288 (7.8)
 • Associate professionals and technicians 540 (25.0) 289 (18.7) 829 (22.4)
 • Low-grade white-collar workers 188 (8.7) 798 (51.7) 986 (26.6)
 • Skilled and unskilled blue-collar workers 1,209 (56.0) 377 (24.4) 1,586 (42.8)
(1)

Farmers and most craftsmen are not surveyed by the occupational physicians in France.