prev next front |1 |2 |3 |4 |5 |6 |7 |8 |9 |10 |11 |12 |13 |14 |15 |16 |17 |18 |19 |20 |21 |22 |23 |24 |25 |review
Contact structures include the neighborhood of residence, school, day-cares, places of employment, recreational locations related to social class and sexual behavior.

An important aspect of contact structure can include sexual behavior and the rate of partner acquisition and partner change.