There was not convincing evidence that effects were different between different groups of behaviours .
Meta-regression found some , limited , evidence that effect sizes decreased as post-intervention follow-up period and incentive value increased .
However , the latter effect may be confounded by the former .
The available evidence suggests that financial incentive interventions are more effective than usual care or no intervention for encouraging healthy behaviour change .
BACKGROUND Financial incentive interventions have been suggested as one method of promoting healthy behaviour change .
OBJECTIVES To conduct a systematic review of the effectiveness of financial incentive interventions for encouraging healthy behaviour change ; to explore whether effects vary according to the type of behaviour incentivised , post-intervention follow-up time , or incentive value .
Results of a year-long incentives-based worksite smoking-cessation program.
This study evaluated the impact of a year-long incentives-based worksite smoking-cessation program .  Nineteen moderate-sized worksites , employing a total of approximately 1100 smokers , were r and omized to Incentive or No Incentive conditions .  All identified smokers in the worksite were considered as subjects , whether or not they participated in the intervention . Analyses were conducted at both the worksite and individual level , and using both self-reported and biochemically vali date d cessation as endpoints . The incentive program did not significantly improve cessation rates at either the 1-year or 2-year follow-up assessment s. We conclude that more broadly focused interventions that also address worksite smoking policies , skills training , and cessation re sources , or programs that target additional risk factors are needed to substantially enhance quit rates
There was not convincing evidence that effects were different between different groups of behaviours .
Meta-regression found some , limited , evidence that effect sizes decreased as post-intervention follow-up period and incentive value increased .
However , the latter effect may be confounded by the former .
The available evidence suggests that financial incentive interventions are more effective than usual care or no intervention for encouraging healthy behaviour change .
BACKGROUND Financial incentive interventions have been suggested as one method of promoting healthy behaviour change .
OBJECTIVES To conduct a systematic review of the effectiveness of financial incentive interventions for encouraging healthy behaviour change ; to explore whether effects vary according to the type of behaviour incentivised , post-intervention follow-up time , or incentive value .