Table 2.

Weighted prevalence of employees co‐exposed to at least one biomechanical factors and at least one neurotoxic chemicals according to their socio‐professional characteristics, by sex (SUMER 2010, France)

	Men (n = 24 970)					Women (n = 18 293)
	N	n	%a	[95% CI]	P‐valueb	N	n	%a	[95% CI]	P‐valueb
Age					<.001					.965
<30 y	4152	322	8.42	[6.59‐10.25]		2811	29	0.81	[0.46‐1.15]
30‐39 y	7050	318	4.11	[3.46‐4.76]		4891	51	0.92	[0.57‐1.27]
40‐49 y	7582	345	4.41	[3.74‐5.08]		5616	61	0.85	[0.56‐1.14]
≥50 y	6186	231	3.73	[3.07‐4.38]		4975	38	0.81	[0.42‐1.20]
Industry sector					<.001					<.001
Agriculture, fishing, and forestry	665	50	7.57	[3.27‐11.87]		203	5	1.29	[0.00‐2.73]
Industry	7484	401	6.15	[5.29‐7.01]		2496	79	3.36	[2.37‐4.35]
Construction	1895	243	12.72	[10.02‐15.42]		273	5	2.15	[0.19‐4.11]
Services	14 926	522	3	[2.57‐3.44]		15 321	90	0.54	[0.38‐0.70]
Occupational category					<.001					<.001
Professionnals/managers	4842	9	0.17	[0.04‐0.30]		2656	5	0.12	[0.00‐0.24]
Associate professionals/technicians	6070	105	1.56	[1.05‐2.08]		5262	26	0.33	[0.17‐0.49]
Clerks/service workers	3195	54	2.11	[1.42‐2.80]		8323	43	0.59	[0.34‐0.84]
Blue‐collar workers	10 863	1048	9.82	[8.82‐10.82]		2052	105	4.29	[3.25‐5.33]
Type of contract					<.001
Apprenticeship	296	33	19.24	[7.17‐31.31]		135	3	—	—
Temporary	293	15	5.3	[2.12‐8.48]		107	0	—	—
Non‐permanent	701	37	3.29	[1.68‐4.90]		716	8	1.22	[−0.06 to 2.51]
Permanent	23 656	1130	4.7	[4.28‐5.11]		17 318	168	0.83	[0.66‐1.00]
Number of employees in the company					<.001					.013
1‐9	3851	347	9.07	[7.71‐10.42]		3333	44	1.22	[0.75‐1.68]
10‐99	5909	385	5.48	[4.72‐6.23]		4315	32	0.58	[0.33‐0.83]
50‐199	4823	193	4.54	[3.24‐5.83]		3436	37	1.08	[0.56‐1.60]
200‐499	3332	107	3.78	[2.24‐5.33]		2113	30	1.11	[0.59‐1.62]
500	7055	184	2.1	[1.61‐2.58]		5096	36	0.5	[0.27‐0.73]

N, total number of workers (unweighted); n, number of exposed workers (unweighted).

^a% based on weighted data.

^bStatistical comparisons of co‐exposed employees according to socio‐professional characteristics were performed using the Rao‐Scott chi‐square test.