Article

Do psychosocial work factors and social relations exert independent effects on sickness absence? A six year prospective study of the GAZEL cohort.

Harvard School of Public Health, Department of Health and Social Behavior, Boston, MA, USA.
Journal of Epidemiology &amp Community Health (impact factor: 3.19). 04/2003; 57(4):285-93.
Source: PubMed

ABSTRACT The objective of this prospective cohort study was to determine whether psychosocial work characteristics and social relations exert independent effects on the incidence of sickness absence in a population of middle aged French employees over six years of follow up.
This study included 9631 men and 3595 women participating in the French GAZEL cohort. Social relations (social networks, personal social support, and social relations satisfaction) were measured in 1994 by self report. Psychosocial work characteristics (decision latitude, psychological demands, and social support at work) were ascertained in 1995. Sickness absence data were collected independently. The authors studied the incidence of short (>7 days), intermediate (7-21 days), and long (>21 days) spells of absence from 1995 to 31 December 2001. Rate ratios associated with psychosocial exposures, adjusted on sociodemographic characteristics, and health behaviours, were calculated by means of log-linear Poisson regression.
A cohort of 20000 employees of France's national gas and electricity company (the GAZEL study). Main results: Among men and women, levels of decision latitude and personal social support below the median predicted 17% to 24% increases in absence rates. Low satisfaction with social relations and low social support at work lead to a 10% to 26% excess in sick leaves among men. No interactive effects were found between the variables under study.
The quality of the work environment and of social relations affect sickness absence over an extended period of follow up. This study supports the hypothesis of independent, not interactive effects.

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Keywords

24% increases
 
absence rates
 
decision latitude
 
France's national gas
 
French GAZEL cohort
 
GAZEL study
 
independent effects
 
interactive effects
 
log-linear Poisson regression
 
low social support
 
personal social support
 
prospective cohort study
 
psychosocial exposures
 
psychosocial work characteristics
 
self report
 
social networks
 
social relations
 
social relations satisfaction
 
social support
 
sociodemographic characteristics