Sample Size Determination for the Polychotomous Randomized Response Model for Sensitive Questions in a Stratified Two-Stage Sampling Survey

Table 2

Sample size for occasional, consistent condom use, and never having anal sex among MSM in Beijing.

Condom use	𝑛21	𝑛22	Given sampling error 𝑉(𝑃𝑗)			Given cost of survey 𝐶
			𝑉(𝑃𝑗)	𝑛11	𝑛12	𝑛11	𝑛12
Occasionally use (𝑗=2)	46	60	0.000423	15	9	5	3
Consistently use (𝑗=3)	40	55	0.000385	15	9	5	3
Say no to anal sex (𝑗=4)	63	53	0.000102	15	10	4	3