Complex sentence: The typical OA member surveyed in 2001 worked in a full-time capacity and homemakers only comprised 6% of the 2001 OA population, in contrast to 30% of those surveyed in 1981.
Split into simpler sentences: The typical OA member surveyed works in a full-time capacity. Homemakers only comprise 6% of the population, in contrast to 30% of those surveyed in 1981.