into quartiles according to per capita income. The percentage of the population with university education was estimated on the basis of the 2001 population census. Neighborhoods were also grouped into quartiles according to this percentage. Each respondent was then assigned to a quartile of each indicator, based on his/her neighborhood of residence.

The number of sports facilities per 1,000 population was estimated for each neighborhood. Based on the quartiles of the distribution of this rate, a categorical variable was then calculated, with each subject being assigned to a quartile according to his/her neighborhood of residence. Information on the number of sports facilities in each neighborhood was obtained from the most recent National Census of Sports Facilities, undertaken in 2005 \[[@CR25]\].

We first assessed the relationship between the indicators of socioeconomicOur Approach

We combine rigour with relationships, consulting with partnership, instruments with flexibility, challenge with honesty. Our approach is about learning, development and change

History

Founded in 1989 and specialising in Business Psychology, Team Focus Limited (TFL) combined applying Psychology to Business in its assessment and development work with becoming one of the leading trainers in Psychometric Testing. Closely involved in the development of the standards for training advocated by the British Psychological Society (BPS), we quickly built a reputation for independence and rigour. Today we offer one of the widest range of training programmes in the major personality questionnaires and are now recognised test publishers offering our own series of tests and questionnaires branded under Profiling for Success.

Business focus

Our work involves enabling individuals, teams and organisations to learn, develop and