Table 3 Population, incentive and control group respondent characteristics
From: Improving response rate and quality of survey data with a scratch lottery ticket incentive
Variabels | Population (aged 21–60) | Pre-reminder | Total | ||||
|---|---|---|---|---|---|---|---|
Mean | p-value | Mean | p-value | ||||
Incentive group | Control group | Incentive vs control group | Incentive group | Control group | incentive vs control group | ||
Gender | 1.51 | 1.44 | 1.39 | 0.174 | 1.47 | 1.43 | 0.160 |
Age | 40.89 | 42.69 | 43.37 | 0.313 | 42.61 | 42.88 | 0.643 |
Education level 2 | 0.23 | 0.15 | 0.10 | 0.024 | 0.15 | 0.11 | 0.015 |