Table 1.

Reasons for participating	Trust in science	Ways of informing
The importance of medical research	Trust in the meaningfulness of the placenta perfusion study	Timing of information
Belief in societal progress following science	Trust in researchers and their compliance with ethical standards	Time and place for questions
Giving something back to the health care system	The importance of face-to-face-interaction	Short and precise information
The easiness of participating	The relation between information and trust	Information about previous results