[Structure and adequacy of the Beck Depression Inventory in patients with fibromyalgia].

The Beck Depression inventory is a widely used instrument for the measurement of depression in chronic pain. However, there are no studies that analyze the structure and adequacy of the use of the BDI in these patients. In this work, we have carried out exploratory and confirmatory factor analysis of the results of the BDI in a sample of 300 patients with fibromyalgia.

[The users of an online psychological advice service: a sociodemographic analysis].

Although online psychological services and research based on them are increasing rapidly, it is not that easy to find investigations that focus on the kind of people that demand them. To know their profile could help to improve the online psychological services that are offered to them. For this purpose, we analysed the sociodemographic characteristics of 1052 participants, all of them having posed a psychological question to our online advice service.