Reduction in blood pressure , lipids and blood glucose was not statistically significant .
Conclusions Workplace interventions  significantly reduced body weight , BMI and waist circumference .
Non-significant results for biochemical markers could be due to them being secondary outcomes in most studies .
Background Adults in urban areas spend almost 77 % of their waking time being inactive at workplaces , which leaves little time for physical activity .
The aim of this systematic review and meta- analysis was to synthesize evidence for the effect of workplace physical activity interventions on the cardio-metabolic health markers ( body weight , waist circumference , body mass index ( BMI ) , blood pressure , lipids and blood glucose ) among working adults .
A worksite obesity intervention: results from a group-randomized trial.
OBJECTIVES We used a participatory process to develop an obesity intervention appropriate for elementary school personnel . METHODS A r and omized controlled trial included 16 school worksites ( 8 intervention , 8 control ) .  Intervention schools formed committees to develop and implement health promotion activities for employees .  Anthropometric and self-report data were collected at baseline and postintervention ( 2 years later ) . The primary outcome measures were body mass index ( BMI ) , waist-hip ratio , physical activity , and fruit and vegetable consumption . RESULTS After adjustment for age , ethnicity , and job classification , employees in intervention schools reduced their BMI by an average of 0.04 kg/m2 , and those in control schools increased their BMI by an average of 0.37 kg/m2 . Comparisons for waist-hip ratio , weekly physical activity minutes , and fruit and vegetable consumption were not significant . CONCLUSIONS The participatory process appeared to be an effective means for stimulating change . The intervention may have slowed and perhaps reversed the tendency of adults to gain weight progressively with age
Reduction in blood pressure , lipids and blood glucose was not statistically significant .
Conclusions Workplace interventions  significantly reduced body weight , BMI and waist circumference .
Non-significant results for biochemical markers could be due to them being secondary outcomes in most studies .
Background Adults in urban areas spend almost 77 % of their waking time being inactive at workplaces , which leaves little time for physical activity .
The aim of this systematic review and meta- analysis was to synthesize evidence for the effect of workplace physical activity interventions on the cardio-metabolic health markers ( body weight , waist circumference , body mass index ( BMI ) , blood pressure , lipids and blood glucose ) among working adults .