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Table 7 Demographics for US and Japanese Patient Cognitive Interviews for the EPDDv2

From: Development and content validation of a patient-reported endometriosis pain daily diary

Characteristic   US (N = 16) Japan (N = 15)
Age, years Mean (SD) 33.2 (6.3) 34.9 (6.4)
Median 33.0 35.0
Range 24–43 24–44
Highest level of education completed High school 7 (46.7%)
Some college 9 (56.3%) 3 (20.0%)
Bachelor’s degree 5 (31.3%) 5 (33.3%)
Graduate or professional school 2 (12.5%)
Worst endometriosis-related pain during menstruation: (0 = no pain to 10 = worst pain imaginable) Mean (SD) 8.0 (1.2) 7.5 (1.6)
Median 8.0 8.0
Range 6–10 4–10
Worst endometriosis-related pain when not menstruating: (0 = no pain to 10 = worst pain imaginable) Mean (SD) 5.6 (1.7) 4.8 (2.9)
Median 5.5 5.0
Range 2–9 0–9