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Table 1 Number of participants per time point of the study protocol

From: “Expectant Parents”: Study protocol of a longitudinal study concerning prenatal (risk) factors and postnatal infant development, parenting, and parent-infant relationships

Time

Measure

Mothers

Fathers

T1: 15 weeks gestation

Questionnaires

406

-

T2: 26 weeks gestation

Questionnaires

375

299

 

Home visit

311

243

T3: 36 weeks gestation

Questionnaires

351

-

T4: Birth

Information concerning the birth

455

-

 

DFSI completed by midwife

445

-

T5: 4 months postpartum

Questionnaires

354

274

T6: 6 months postpartum

Questionnaires

341

268

 

Home visit

295

225

T7: 12 months postpartum

Questionnaires

299

-

 

National Health Care Centres

a

-

T8: 24 months postpartum

Questionnaires

248b

186b

  1. Note.
  2. a Data currently not complete.
  3. b For T8, 285 mothers and 246 fathers were approached.