Table 1.

Prevalence of musculoskeletal disorders by sociodemographic characteristics

Classification	Reference Group		Musculoskeletal Complaints Group			Musculoskeletal Sickness Absence Group
	N = 19,310 (64.99%)	N = 23,034 (66.21%)	N = 10,201 (34.33%)	N = 11,501 (33.06%)	Prevalence rate (%)	N = 200 (0.67%)	N = 252 (0.72%)	Prevalence rate (%)
	Frequency	Weighted frequency	Frequency	Weighted frequency		Frequency	Weighted frequency
Gender
Male	11,882	14,213	5,351	6,176	30.08	113	143	0.70
Female	7,428	8,821	4,850	5,325	37.36	87	109	0.76
Age (y)
15–24	1,249	1,851	499	644	25.78	2	3	0.11
25–34	5,284	7,129	2,239	2,594	26.55	35	47	0.49
35–44	6,114	6,679	2,975	3,153	31.81	66	80	0.81
45–54	4,225	4,723	2,696	3,067	38.99	61	76	0.96
55–65	2,438	2,653	1,792	2,044	43.11	36	45	0.96
Working hour per week (h)
> 48 h	1,840	2,169	1,109	1,234	35.97	21	26	0.77
40–48 h	8,202	10,291	3,307	3,941	27.57	52	66	0.46
< 40 h	9,268	10,575	5,785	6,326	37.08	127	159	0.93
Years in current job
≥ 5 y	10,900	13,470	5,753	6,568	32.55	105	137	0.68
< 5 y	8,410	9,565	4,448	4,934	33.76	95	115	0.78
Employment status
Regular	15,517	18,801	7,608	8,590	31.16	139	175	0.63
Temporary	2,843	3,134	1,653	1,781	35.92	33	43	0.87
Day-employee	950	1,100	940	1,130	49.92	28	33	1.48
Work size
< 50	14,174	16,622	7,752	8,472	33.52	143	180	0.71
≥ 50	5,136	6,412	2,449	3,029	31.84	57	72	0.75
Shift work
Yes	1,772	2,156	1,039	1,226	35.89	28	34	0.98
No	17,538	20,879	9,162	10,275	32.75	172	218	0.69