Table 3. Call outcome rates for RDD survey based on final disposition distributions.

Response Rates	Explanation	Result
Response rate 1: $\frac{\mathrm{I}}{\mathrm{I}+\mathrm{P}+\mathrm{R}+\mathrm{N}\mathrm{C}+\mathrm{O}+\mathrm{U}\mathrm{H}+\mathrm{U}\mathrm{O}}$	Minimum response rate. All individuals who complete more than 80% of survey / All attempted calls	9.9%
Response rate 2: $\frac{\mathrm{I}+\mathrm{P}}{\mathrm{I}+\mathrm{P}+\mathrm{R}+\mathrm{N}\mathrm{C}+\mathrm{O}+\mathrm{U}\mathrm{H}+\mathrm{U}\mathrm{O}}$	All individuals who complete more than 50% of survey / All attempted calls	10.1%
Response rate 3: $\frac{\mathrm{I}}{\mathrm{I}+\mathrm{P}+\mathrm{R}+\mathrm{N}\mathrm{C}+\mathrm{O}+0.2\mathrm{*}(\mathrm{U}\mathrm{H}+\mathrm{U}\mathrm{O})}$	All individuals who complete more than 80% of survey / All attempted calls minus 80% of calls with unknown eligibility	68.0%
Response rate 4: $\frac{\mathrm{I}+\mathrm{P}}{\mathrm{I}+\mathrm{P}+\mathrm{R}+\mathrm{N}\mathrm{C}+\mathrm{O}+0.2\mathrm{*}(\mathrm{U}\mathrm{H}+\mathrm{U}\mathrm{O})}$	All individuals who complete more than 50% of survey / All attempted calls minus 80% of calls with unknown eligibility	70.4%
Cooperation Rates
Cooperation rate 1: $\frac{\mathrm{I}}{\mathrm{I}+\mathrm{P}+\mathrm{R}+\mathrm{O}}$	All individuals who complete more than 80% of survey / Eligible individuals who were ever contacted	94.7%
Cooperation rate 2: $\frac{\mathrm{I}+\mathrm{P}}{\mathrm{I}+\mathrm{P}+\mathrm{R}+\mathrm{O}}$	All individuals who complete more than 50% of survey / Eligible individuals who were ever contacted	97.1%
Refusal Rate
Refusal rate 3: $\frac{\mathrm{R}}{\mathrm{I}+\mathrm{P}+\mathrm{R}+\mathrm{N}\mathrm{C}+\mathrm{O}}$	All individuals who refused to complete the survey / All attempted calls	3.1%
Contact Rate
Contact rate 1: $\frac{\mathrm{I}+\mathrm{P}+\mathrm{R}+\mathrm{O}}{\mathrm{I}+\mathrm{P}+\mathrm{R}+\mathrm{N}\mathrm{C}+\mathrm{O}+\mathrm{U}\mathrm{H}+\mathrm{U}\mathrm{O}}$	All phone numbers that answered the call / All phone numbers	10.4%
Contact rate 2: $\frac{\mathrm{I}+\mathrm{P}+\mathrm{R}+\mathrm{O}}{\mathrm{I}+\mathrm{P}+\mathrm{R}+\mathrm{N}\mathrm{C}+\mathrm{O}+0.2\mathrm{*}(\mathrm{U}\mathrm{H}+\mathrm{U}\mathrm{O})}$	All phone numbers that answered the call / All attempted calls minus 80% of calls with unknown eligibility	74.9%