Tod AM, Lusambili A, Homer C, et al. Understanding factors infuencing vulnerable older people keeping warm and well in winter: a qualitative study using social marketing techniques. BMJ Open 2012;2:e000922. There are two errors in this article:

1. The abstract makes note of individual and group interviews with health and social care staff in addition to the older people who participated. This article focuses on the older people data.

2. In table 3, the last column should add up to 24 not 20.