Table 2 Data collection

Sociodemographics (age, migration background, education)

x

Mean pain intensity on the days with pain (NRS)

x

x

x

x

x

Worst pain intensity (NRS)

x

x

x

x

x

Duration of pain (days)

x

x

x

x

x

Sick leave days

x

x

x

x

x

Intake of medication against menstrual pain

x

x

x

x

x

Adverse events and adverse effects^a

x

x

x

x

Application of other therapies

x

x

x

x

x

Body efficacy expectation

x

x

x

x

x

Credibility of the intervention^a

x

Expectation

x

Type of menstrual complaints^b

x

x

x

x

x

Compliance^a,b

x

x

x

x