Effects of workplace-based dietary and/or physical activity interventions for weight management targeting healthcare professionals: a systematic review of randomised controlled trials

Power, Brian T; Kiezebrink, Kirsty; Allan, Julia L; Campbell, Marion K

doi:10.1186/s40608-014-0023-3

Table 3 Intervention effects, listed by theoretical basis

From: Effects of workplace-based dietary and/or physical activity interventions for weight management targeting healthcare professionals: a systematic review of randomised controlled trials

Study	Behaviour change theory/theories used to develop intervention*	Study quality score	Follow-up from baseline	Body weight	BMI	Body fat%	Waist circumference	Waist-hip ratio	Total energy intake	Total fat intake	Saturated fat intake	% Energy fat	Fruit intake	Vegetable intake	Fibre intake	Diet score	MPA	VPA	Total steps	Self-reported PA
Armitage 2001 [44]	The Trans Theoretical Model of Behavioural Change	Moderate	5 months							↑	↑	↓
Racette 2009 [48]	The Trans Theoretical Model of Behavioural Change	Moderate	6 months			↓	↓				↑		↑	↑						↑
Racette 2009 [48]	The Trans Theoretical Model of Behavioural Change	Moderate	12 months	↑	↑						↑		↑	↑						↑
Lemon 2010 [50]	Diffusion of Innovation Theory, the Ecologic Conceptual Framework, the Health Belief Model, Organizational Development Theory, Social Cognitive Theory and the Theory of Reasoned Action	Moderate	12 months		↓
Lemon 2010 [50]		Moderate	24 months		↓
Strijk 2012 [56]	Study used theoretical constructs to inform the design of each specific component of the intervention but did not reference any specific theory used	Weak	6 months										↑				↓	↓		↑
Gamble 1993 [42]	No theory reported	Moderate	11 weeks	↓		↓
Barratt 1994 [52]	No theory reported	Weak	3 months	↓
Barratt 1994 [52]	No theory reported	Weak	6 months	↑					↑		↓	↓			↑
Cockroft 1994 [43]	No theory reported	Weak	6 months		↑											↓				↑
Gerdle 1995 [46]	No theory reported	Weak	12 months	↓
Aldana 2005 [34]	No theory reported	Moderate	6 weeks	↑	↑	↑			↓	↑	↑	↑	↑	↑	↑				↑
Aldana 2005 [34]	No theory reported	Moderate	6 months	↑	↑	↑			↑	↑	↑	↑	↑	↑	↑				↓
Brox 2005 [53]	No theory reported	Weak	6 months																	↑
Von Thiel Schwarz 2008 [47]	No theory reported	Moderate	6 months																	↑
Von Thiel Schwarz 2008 [47]	No theory reported	Moderate	12 months					↑												↑
Hewitt 2008 [45]	No theory reported	Strong	4 weeks	↓	↓
			8 weeks	↓	↓
			12 weeks	↓	↓
Christensen 2011 [36]	No theory reported	Strong	3 months	↑	↑	↑	↑	↓
Christensen 2011 [36]	No theory reported	Strong	12 months	↑	↑	↑	↑

*Reported by study authors; ↑ = Indicates a statistically significant effect in favour of the intervention; ↓ = Indicates a non-significant effect of intervention; BMI = body mass index, MPA = Moderate physical activity, VPA = Vigorous physical activity, PA = Physical activity; Blank cells = the outcome was not reported.

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ISSN: 2052-9538

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