Chronic musculoskeletal pain predicted hospitalisation due to serious medical conditions in a 10 year follow up study

Table 2 Odds Ratios (OR) for the associations between pain groups at baseline and hospitalisation, controlled for age, sex, socio-economic, smoking habits and follow-up time.

		All causes		Infectious diseases		Neoplasms		Other medical diseases
	No	OR (95% CI)	p-value	OR (95% CI)	p-value	OR (95% CI)	p-value	OR (95% CI)	p-value
Sex
Men	1065	1		1		1		1
Women	1213	1.0 (0.8-1.2)	0.996	0.8 (0.5-1.1)	0.162	1.4 (1.0-2.0)	0.078	1.0 (0.7-1.4)	0.968
Age (years)
20-33	559	1		1		1		1
34-46	541	1.0 (0.7-1.3)	0.816	0.3 (0.1-0.7)	0.006	8.7 (2.6-29.7)	0.001	0.6 (0.3-1.1)	0.080
47-58	583	1.4 (1.1-1.8)	0.016	1.1 (0.6-2.1)	0.676	15.3 (4.6-50.1)	<0.001	0.8 (0.5-1.3)	0.419
59-74	595	3.2 (2.5-4.1)	<0.001	2.4 (1.4-4.1)	0.002	28.4 (8.8-91.5)	<0.001	1.7 (1.1-2.6)	0.016
Pain group^a
NCP	1372	1		1		1		1
CRP	558	1.6 (1.3-1.9)	<0.001	1,6 (1.0-2.5)	0.044	1.1 (0.8-1.7)	0.528	1.3 (0.8-1.9)	0.270
CWP	285	2.2 (1.7-2.9)	<0.001	2,0 (1.2-3.5)	0.011	1.1 (0.6-1.8)	0.773	2.0 (1.3-3.1)	0.003
Socioeconomic group^b
Group A	556	1		1		1		1
Group B	309	1.3 (1.0-1.8)	0.056	1.0 (0.5-1.9)	0.978	1.3 (0.7-2.3)	0.393	1.0 (0.6-1.9)	0.975
Group C	1103	1.2 (1.0-1.5)	0.062	0.8 (0.5-1.3)	0.317	1.1 (0.7-1.7)	0.767	1.2 (0.8-1.9)	0.344
Others	310	1.4 (1.0-1.9)	0.037	0.8 (0.4-1.6)	0.608	1.0 (0.5-1.8)	0.891	1.4 (0.8-2.5)	0.241
Smoking habit^c
Never	1163	1		1		1		1
Ever	1106	1.3 (1.1-1.5)	0.008	1.4 (0.9-2.1)	0.090	2.3 (1.6-3.5)	<0.001	1.5 (1.1-2.1)	0.018
Follow up time	2278	1.1 (1.0-1.1)	0.001	1.0 (0.9-1.1)	0.402	0.9 (0.8-0.9)	<0.001	1.0 (0.9-1.0)	0.193

^a Data not shown for the group of subjects (n = 63) that could not be classified
^b Group A: Intermediate/higher non-manual employees and upper-level executives; Group B: Assistant non-manual employees;
Group C: Manual workers
^c Data not shown for subjects with unknown smoking habit (n = 9)

ISSN: 1471-2474