3. Comparator 2: Summary of risk of bias by outcome for telephone‐only versus non‐telephone professional support intervention.

		Sequence generation	Allocation concealment	Blinding	Incomplete outcome data (attrition bias)	Selective outcome reporting (reporting bias)	Other potential sources of bias
Burden	Low			Glueckauf 2012	Glueckauf 2012	Glueckauf 2012	Glueckauf 2012
	High
	Unclear	Glueckauf 2012	Glueckauf 2012
Psychological Health: Depression	Low			Glueckauf 2012	Glueckauf 2012 Gallagher‐Thompson 2007	Glueckauf 2012 Gallagher‐Thompson 2007	Glueckauf 2012 Gallagher‐Thompson 2007
	High
	Unclear	Glueckauf 2012 Gallagher‐Thompson 2007	Glueckauf 2012 Gallagher‐Thompson 2007	Gallagher‐Thompson 2007
Psychological Health: Stress	Low				Gallagher‐Thompson 2007	Gallagher‐Thompson 2007	Gallagher‐Thompson 2007
	High
	Unclear	Gallagher‐Thompson 2007	Gallagher‐Thompson 2007	Gallagher‐Thompson 2007
Health Status and Well‐Being: Physical Health	Low			Glueckauf 2012	Glueckauf 2012	Glueckauf 2012	Glueckauf 2012
	High
	Unclear	Glueckauf 2012	Glueckauf 2012
Health Status and Well‐Being: Self‐efficacy	Low				Gallagher‐Thompson 2007	Gallagher‐Thompson 2007	Gallagher‐Thompson 2007
	High
	Unclear	Gallagher‐Thompson 2007	Gallagher‐Thompson 2007	Gallagher‐Thompson 2007