Table 2.

Frequency of self-reported (SRPE) and clinically relevant psychotic experiences (CRPE) per item for the overall sample and subsamples according to recruitment methodology (increased familial levels of psychopathology and randomly selected).

	Overall sample		Random subsample (randomly selected)		At-risk subsample(increased intra-familial levels of psychopathology)|
	N = 2,241		N = 864		N = 1,377
CAPE item	SRPE Reported to be “frequent” or “nearly always” OR “quite” or “very distressing”	CRPE Clinically judged to be “very likely” or certainly a PE”	SRPE Reported to be “frequent” or “nearly always” OR “quite” or “very distressing”	CRPE Clinically judged to be “very likely” or certainly a PE”	SRPE Reported to be “frequent” or “nearly always” OR “quite” or “very distressing”	CRPE Clinically judged to be “very likely” or certainly a PE”
Perceptual abnormalities
Do you ever hear voices when you are alone?	250 (11.2%)	129 (5.8%)	76 (8.8%)	43 (5%)	174 (12.6%)	86 (6.3%)
Do you ever hear voices talking to each other when you are alone?	75 (3.35%)	49 (2.2%)	22 (2.6%)	15 (1.7%)	53 (3.9%)	34 (2.5%)
Do you ever see objects, people, or animals that other people cannot see?	124 (5.5%)	74 (3.3%)	33 (3.8%)	19 (2.2%)	91 (6.6%)	55 (4%)
Persecutory ideation
Do you ever feel as if you are being persecuted in some way?	216 (9.6%)	110 (4.9%)	73 (8.5%)	39(4.5%)	143 (10.4%)	71(5.2%)
Do you ever feel as if people seem to drop hints about you or say things with a double meaning?	91 (4%)	17 (0.8%)	36 (4.2%)	5(0.6%)	55 (4%)	12 (0.9%)
Do you ever feel as if there is a conspiracy against you?	163 (7.3%)	21 (0.9%)	52 (6%)	5 (0.6%)	111 (8%)	16 (1.2%)
Do you ever feel that people look at you oddly because of your appearance?	163 (7.3%)	19 (0.8%)	58 (6.7%)	7(0.8%)	105 (7.6%)	12 (0.9%)
Do you ever feel as if some people are not what they seem to be?	335 (15%)	14 (0.6%)	126 (14.6%)	4(0.5%)	209 (15.2%)	10 (0.7%)
Do you ever feel as if things in magazines or on TV were written especially for you?	47 (2%)	16 (0.7%)	16 (1.9%)	4(0.5%)	31 (2.3%)	12 (0.9%)
Do you ever feel as if a double has taken the place of a family member, friend or acquaintance?	14 (0.6%)	17 (0.8%)	3 (0.4%)	3 (0.4%)	11 (0.8%)	14 (1%)
Magical thinking
Do you believe in the power of witchcraft, macumba, or supernatural things?	248 (11%)	14 (0.6%)	83 (9.6%)	7(0.8%)	165 (12%)	7 (0.5%)
Do you ever feel as if you are destined to be someone very important?	311 (13.9%)	10 (0.5%)	106 (12.3%)	1(0.1%)	205 (14.9%)	9 (0.7%)
Do you ever feel that you are a very special or unusual person?	192 (8.6%)	10 (0.5%)	69 (8%)	4(0.5%)	123 (8.9%)	6 (0.4%)
Do you ever think that people can communicate telepathically?	59 (2.6%)	14 (0.6%)	20 (2.3%)	3(0.4%)	39 (2.8%)	11 (0.8%)
Bizarre experiences
Do you ever feel as if electrical devices such as computers can influence the way you think?	75 (3.4%)	10 (0.5%)	30 (3.5%)	5 (0.6%)	45 (3.3%)	5 (0.4%)
Do you ever feel as if the thoughts in your head are being taken away from you?	34 (1.5%)	28 (1.3%)	16 (1.9%)	12 (1.4%)	18 (1.3%)	16 (1.2%)
Do you ever feel as if the thoughts in your head are not your own?	40 (1.8%)	24 (1.1%)	18 (2.1%)	7 (0.8%)	22 (1.6%)	17 (1.2%)
Have your thoughts ever been so vivid that you were worried other people would hear them?	72 (3.2%)	42 (1.9%)	22(2.6%)	7(0.8%)	50 (3.6%)	35 (2.5%)
Do you ever had the sensation that you could hear your own thoughts?	181 (8.1%)	36 (1.6%)	71(8.2%)	9(1%)	110 (8%)	27 (2%)
Do you ever feel as if you are under the control of some force or power other than yourself?	46 (2.1%)	35 (1.6%)	16(1.9%)	8 (0.9%)	30 (2.2%)	27 (2%)
At least one	1,040 (46.4%)	336 (15%)	380 (44%)	112 (13%)	660 (47.9%)	224 (16.3%)