By multiple questionnaire affairs, sample versions vary for various strategies (look for Dining table step one ). More than fifteen weekends of data range (31 nights – you to definitely week-end monthly), dos,047 some body participated in the latest southbound questionnaire. Of these southbound users, 1,608 (78%) gone back to complete both northbound public feel additionally the PDA interview. The entire return rate is actually quite highest (84%) given that many people complete that yet not one another northbound tools. Due to the fact recruitment strategy necessary that any category approached to join must include at least one females young than age 23, the newest ensuing almost all members was basically lady (73%). Southbound, step 1,502 girls took part, as well as you to matter, step 1,172 lady accomplished all around three (the southbound and you will each other northbound) interview. People respondents who done the latest southbound survey, brand new northbound PDA questionnaire, together with northbound social enjoy questionnaire happened to be the brand new take to population talked about contained in this papers.