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Page 2
Experimental studies (clinical trial or community trial)
Longitudinal Observation (cohort study or observational study)
Cross-sectional
Study population: Major
• No Control • Sample size inadequate for power (n < 20 per group) • Non-random allocation or randomisation not described
• Not representative of the population of interest. In relation to age, gender AND • Confounders not accounted for
• No description of sample
• Not representative of the population of interest. In relation to age, gender AND • Confounders not accounted for.
• No description of sample
Minor
• Confounders not completely accounted for • Omission of detail about confounders.
• Not representative of the population of interest. In relation to age, gender • Omission of detail about confounders • Non-random sampling
• Sample size inadequate for power (n < 10 per variable) or not described (if study n < 500)
• Not representative of the population of interest. In relation to age, gender • Confounders not accounted for • Non-random sampling
• Sample size inadequate for power (n < 10 per variable) or not described (if study n < 500)
Intervention/ exposure: Major
• No description of the PA or SS component of the intervention • No measurement of intervention strength or exposure
• Intervention <12 weeks
• No measurement of exposure • Poor or no face validity of measurement of exposure
• No measurement of exposure • Poor or no face validity of measurement of exposure
Minor
• No blinding
• No validity of measurement PA or SS exposure mentioned
• No validity of measurement PA or SS exposure mentioned
Outcome: Major
• Poor face validity of measurement of outcome
• Poor or no face validity of measurement of exposure
• Poor or no face validity of measurement of PA or SS outcome
Minor
• No validity of PA or SS outcome measure mentioned
• No validity of PA or SS outcome measure mentioned
• No validity of PA or SS outcome measure mentioned
Follow-up: Major
• High drop-out (>20%) (from pre to post- test measurement)
• High drop-out (>20%) (from pre to post-test measurement)
• NA
Minor
• High drop out in long term follow up (post intervention) • No long term follow up
• High drop out in long term follow up (post intervention) • No long term follow up