Table 2 Participant timeline

From: Manual acupuncture versus sham acupuncture and usual care for the prevention of primary dysmenorrhea (PD): study protocol for a randomized controlled trial

Period	Baseline		Treatment			Follow-up
Menstrual cycle	− 1	0	1	2	3	4	5	6
Participants
Screening	√
Demography	√
Informed consent	√
PD diary	√		√	√	√	√	√	√
Randomization		√
Interventions
Verum acupuncture			√	√	√
Sham acupuncture			√	√	√
Usual care			√	√	√
Outcomes
CMSS	√		√	√	√	√	√	√
VAS	√		√	√	√	√	√	√
SF-MPQ-2	√		√	√	√	√	√	√
PSQI	√		√	√	√	√	√	√
BAI	√				√			√
BDI- II	√				√			√
NEO-FFI	√
AES			√		√
MASS			√	√	√
Trial safety evaluation
Adverse events			√	√	√
Assessment of blinding								√

AES Acupuncture Expectancy Scale, BAI Beck Anxiety Inventory, BDI-II Beck Depression Inventory II, CMSS Cox Menstrual Symptom Scale, MASS Massachusetts General Hospital Acupuncture Sensation Scale, NEO-FFI NEO Personality Inventory-Short Form, PD primary dysmenorrhea, PSQI Pittsburgh Sleep Quality Index, SF-MPQ-2 Short-Form McGill Pain Questionnaire 2, VAS visual analog scale

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ISSN: 1745-6215

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