Incentive Group | Non-Incentive Group | Between Group Difference (95% Confidence Interval) | |
---|---|---|---|
Response Rate | 36.1% (n=277) | 28.7% (n=272) | 7.4% (−0.7%, 15.6%) |
Cooperation Rate | 44.6% (n=224) | 36.6% (n=213) | 8.2% (−1.6%, 17.7%) |
Less Conservative Cooperation Rate | 58.5% (n=224) | 52.1% (n=213) | 6.4% (−3.4%, 16.1%) |