Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Sleepiness
RCT	93 people with non-severe OSAHS (mean baseline AHI 9)	Daytime sleepiness (ESS) score (see table 3 ) 4 weeks 8.9 with 15-minute educational CPAP video 8.8 with no video	Significance not assessed Results should be interpreted with caution; difference in withdrawal rates between groups may have affected the results
Quality of life
RCT	93 people with non-severe OSAHS (mean baseline AHI 9)	Sleep Apnoea Quality-of-Life score 4 weeks 4.9 with 15-minute educational CPAP video 5.1 with no video	Significance not assessed Results should be interpreted with caution; difference in withdrawal rates between groups may have affected the results