Exploratory analyses of relationship status
To explore how relationship status relates to hormone reactivity, subgroup analyses were performed separately in control and TSST participants. First, the effect of relationship status on testosterone responses in control participants was tested with a 2 (relationship status: single vs. in a relationship) x 2 (timepoint: pre-social interaction and post-social interaction) mixed model, with timepoint as a repeated measure and testosterone concentration as the outcome variable. No main effects of relationship status [