Table 5. Differences in belief as to whether each device was a placebo.

Belief	Devices
	Standard wrist strap (n = 64)	Attenuated wrist strap (n = 63)	Demagnetised wrist strap (n = 64)	Copper bracelet (n = 67)
Definitely a placebo (i.e. inactive)	3 (4.7%)	4 (6.3%)	11 (17.2%)	3 (4.5%)
Probably a placebo (i.e. inactive)	10 (15.6%)	13 (20.6%)	15 (23.4%)	9 (13.4%)
Can't decide	29 (45.3%)	27 (42.9%)	29 (45.3%)	25 (37.3%)
Probably not a placebo (i.e. active)	11 (17.2%)	13 (20.6%)	6 (9.4%)	19 (28.4%)
Definitely not a placebo (i.e. active)	11 (17.2%)	6 (9.5%)	3 (4.7%)	11 (16.4%)

Values are frequency (percentage).