Physical activity questionnaires

Question 1

why measure PA?

Answer 1

• To estimate the true effect size
• To identify which dimension of physical activity is important for particular outcomes
• To make cross-comparisons between groups
• To monitor trends within populations
• To assess whether interventions are effective

Question 2

what to measure ?

Answer 2

Dimensions
- Mode
- Frequency
- Duration
- Intensity
Domains
- Occupation
- Domestic
- Transport
- Leisure

Question 3

Validity of questionnaires

Answer 3

• Cross-comparison is often reported as a correlation indicating how well the result corresponds to a chosen “gold standard” method.
• This does not necessarily mean they are measuring the same aspect or linked to the same associated outcomes.

Question 4

what is YPQA?

Answer 4

Youth Physical Activity Questionnaire

Question 5

How is PA measured ?

Answer 5

• MET-mintues , domain and total PA (min) weekend and week day and whole week

Question 6

Strengths of YPQA

Answer 6

• Inexpensive and convenient, domains and some dimensions, average week

Question 7

Weaknesses of YPQA

Answer 7

• Long questionnaire (47 items), social desirability bias, youth (understanding of PA domains, dimensions etc.)