Table 3.

Percentiles of the PQ‐B frequency and distress scores

	Total sample		Male		Female
Pc	Frequency	Distress	Frequency	Distress	Frequency	Distress
1	0	0	0	0	0	0
5	0	0	0	0	0	0
10	1	0	0	0	1	0
20	2	2	1	1	2	2
30	3	3	2	2	3	4
40	4	5	4	4	5	7
50	5	8	5	6	6	9
60	7	11	6	9	7	12
70	8	14	8	12	8	15
80	10	19	9	18	10	20
90	12	26	12	25	13	27
95	14	35	14	31	15	36
99	17	51	16	48	18	52

Note. Pc: percentile; PQ‐B: Prodromal Questionnaire–Brief.