To assess the prevalence of low back pain (LBP) in adolescents and the clinical features of LBP in 2 European countries and to evaluate the effect of LBP on health-related quality of life (HRQOL) using standardized validated generic and disease-specific instruments.

Our findings highlight the potential health consequences of social class positions defined by power relations within the labour process. They also confirm that social class taps into parts of the social variation in health that are not captured by conventional measures of social stratification and education.

In this study, we report a consistent pattern of socioeconomic inequalities in mortality in 16 European cities. Future studies should further explore specific causes of death, in order to determine whether the general pattern observed is consistent for each cause of death.

Metric analysis supported the integrity and general adequacy of this very short tool included in a population health survey. The global index proposed could be a good measure for assessing and monitoring the adequacy of part of the PC experiences in first-contact care and person-focused care over time, under population perspective. On the other hand, the loss of content as a consequence of the selection of items, suggesting use of the expanded versions of the PCAT-AE whenever a global evaluation of PC is desired and it is possible.