Sample size for freedom surveys									
									
									
									
Results									
	V1								
Design prevalence (Pstar)	5%								
Unit (test or cluster) sensitivity	1								
Required population sensitivity	0.95								
Population size (N)	Unknown								
Sample size (n)	59								
									
Sample size for varying design prevalence and population size (Unit Se = 1, Population Se = 0.95)									
	Pstar = 0.005	Pstar = 0.01	Pstar = 0.02	Pstar = 0.03	Pstar = 0.05	Pstar = 0.1	Pstar = 0.2	Pstar = 0.3	Pstar = 0.5
N =      50	48	48	48	39	32	23	13	10	6
N =     100	95	95	78	64	46	26	14	10	6
N =     200	190	156	106	79	52	28	15	10	6
N =     300	233	190	118	85	55	29	15	10	6
N =     500	316	226	130	91	57	30	15	10	6
N =    1000	451	259	140	96	59	30	15	10	6
N =    5000	565	291	148	99	60	30	15	10	6
N =   10000	582	296	149	100	60	30	15	10	6
N =  100000	598	300	150	100	60	30	15	10	6
N = 1000000	599	300	150	100	60	30	15	10	6
N = inf	598	299	149	99	59	29	14	9	5