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Table 1 Intervention effects, listed by behavioural target

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

Behavioural target

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

Barratt 1994 [52]

Diet

3 months

↓

                

6 months

↑

    

↑

 

↓

↓

  

↑

     

Armitage 2001 [44]

Diet

5 months

      

↑

↑

↓

        

Gamble 1993 [42]

Physical activity

11 weeks

↓

 

↓

              

Gerdle 1995 [46]

Physical activity

12 months

↓

                

Brox 2005 [53]

Physical activity

6 months

                

↑

Hewitt 2008 [45]

Physical activity

4 weeks

↓

↓

               

8 weeks

↓

↓

               

12 weeks

↓

↓

               

Von Thiel 2008 [47]

Physical activity

6 months

                

↑

12 months

    

↑

           

↑

Cockroft 1994 [43]

Diet and Physical activity

6 months

 

↑

          

↓

   

↑

Aldana 2005 [34]

Diet and Physical activity

6 weeks

↑

↑

↑

  

↓

↑

↑

↑

↑

↑

↑

   

↑

 

6 months

↑

↑

↑

  

↑

↑

↑

↑

↑

↑

↑

   

↓

 

Racette 2009 [48]

Diet and Physical activity

6 months

  

↓

↓

   

↑

 

↑

↑

     

↑

12 months

↑

↑

     

↑

 

↑

↑

     

↑

Lemon 2010 [50]

Diet and Physical activity

12 months

 

↓

               

24 months

 

↓

               

Strijk 2012 [56]

Diet and Physical activity

6 months

         

↑

   

↓

↓

 

↑

Christensen 2011 [36]

Diet and Physical activity

3 months

↑

↑

↑

↑

↓

            

12 months

↑

↑

↑

↑

             
  1. Abbreviations: ↑ = Indicates a statistically significant effect in favour of the intervention; ↓ = Indicates a non-significant effect of intervention.
  2. BMI = body mass index, MPA = Moderate physical activity, VPA = Vigorous physical activity, PA = Physical activity.
  3. Blank cells = the outcome was not reported.