Table 1.

Sociodemographic characteristics of the study population

Characteristics	Overall	Ity	Agbaou	Abidjan	P-value
N	1,687	803	763	121
Gender ratio (M/F)	10.2	14.1	10.1	3.17	< 0.001
Mean age (SD) (years)	38 (8.6)	36 (8.3)	37 (8.7)	39 (9.7)	0.001
< 36	805	400	359	46
36–49	733	338	336	59	NS
≥ 50	149	65	68	16
Employee’s status
Direct employees	848	587	258	3
Subcontractors	721	213	505	3	< 0.001
Administrative staff	118	3		115

NS = not significant or P > 0.05.