Table 3

Description of the three types of self-rated physical activity measured in the FAB study.


Reference standard

Question used (answer categories)


PAL categories defined by WHO categories [30]

On average, which category do you believe best describes your general level of physical activity? (Bed-rested/Low/Medium/High/Very High).


Peer comparison

In your opinion, compared to other people of your age and sex, how physically active are you? (Much less/A little less/About the same/A little more/Much more).


CMO guidelines [40]

According to national recommendations people should be active at a moderate intensity (e.g. brisk walking) for at least 30 minutes per day at least 5 days a week. Please indicate whether you think you achieved this level of activity over the last month. (Yes/No).

PAL: Physical activity level; WHO: World Health Organisation; CMO: Chief Medical Officer

Watkinson et al. BMC Public Health 2010 10:144   doi:10.1186/1471-2458-10-144

Open Data