Table 1 Attributes and levels

Type of incentive

Bonuses^a; Fines

Whom to incentivize

Individuals^a; Groups

Frequency of incentive

Monthly^a; quarterly; semiyearly; annually

Size of incentive (proportion of income)

10%^a; 20%; 40%; 60%

Domain of performance measurement

Healthcare visits^a; Healthcare visits & Quality of care

Release of performance results

Yes^a; No