Table 2 Questionnaires used at time points T1, T2, and T3

Cohen’s Perceived Stress Scale(PSS) [29]

X

X

X

Center for Epidemiological Studies – Depression Scale (CES-D) [30]

X

X

X

Spielberger State Trait Anxiety Inventory (STAI) [31]

X

X

X

Cambridge Worry Scale (CWS) [32]

X

X

Life Experiences Survey (LES) [33]

X

X

Childhood Trauma Questionnaire (CTQ) [34]

X

Big Five Inventory (BFI-10) [35]

X

Partnership questionnaire (PFB) [36], Relationship Assessment Scale (RAS) [37], Dyadic Adjustment Scale (DAS-12) [38]

X

X

Frankfurt Acculturation Scale (FRAKK) [5]

X

Multidimensional Acculturative Stress Scale for Turkish-origin immigrants (MASI) [39]

X

Single items about perceived discrimination, language use, intercultural contacts and religion from socioeconomic panel study (SOEP) [40]

X

X

Resources and self-management skills (FERUS) [41]

X

X

Social Activities (SASS) [42]

X

X

Edinburgh Postnatal Depression Scale (EPDS) [43]

X

Postpartum Bonding Questionnaire (PBQ) [44]

X

DEGS-food intake questionnaire [45]

X