Comparison 3. Behavioural intervention versus control.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 CPAP Device Usage (hours/night)	8	578	Mean Difference (IV, Fixed, 95% CI)	1.31 [0.95, 1.66]
2 CPAP Device Usage (hours/night), sensitivity analysis: adherence in control group < four hours/night	6	525	Mean Difference (IV, Fixed, 95% CI)	1.32 [0.93, 1.72]
3 N deemed adherent (≥ four hours/night)	6	549	Odds Ratio (M‐H, Fixed, 95% CI)	1.70 [1.20, 2.41]
4 Withdrawal	10	939	Odds Ratio (M‐H, Fixed, 95% CI)	0.66 [0.44, 0.98]
5 Epworth Sleepiness Scale (Endpoint scores)	5	271	Mean Difference (IV, Random, 95% CI)	‐2.42 [‐4.27, ‐0.57]
6 AHI on treatment ‐ Endpoint	2	89	Mean Difference (IV, Fixed, 95% CI)	‐0.95 [‐2.25, 0.35]
7 Quality of Life ‐ Comparison of Values at Endpoint	3	228	Std. Mean Difference (IV, Fixed, 95% CI)	0.00 [‐0.26, 0.26]
7.1 QoL: FOSQ ‐ Endpoint	2	200	Std. Mean Difference (IV, Fixed, 95% CI)	0.01 [‐0.26, 0.29]
7.2 QoL: SF‐36 (PH) ‐ Endpoint	1	28	Std. Mean Difference (IV, Fixed, 95% CI)	‐0.07 [‐0.82, 0.67]