Lastly, while the loud speaker and door-to-door mobilisation were important communication channels in motivating attendance, some reported never hearing activities announced or that CAs failed to return following an initial visit. As these participants demonstrate, the lack of set times and advance notice of activities was a barrier to exposure for some and may impede diffusion in some cases:[I]f you just come one morning and you walk through the community and tell people that come to the activity, you find that people already have their other programmes. (4 M).It is difficult to tell somebody that you should go and participate in SASA! activities. That person will ask you ‘where are they?’ At that time it is difficult to answer that question...because we do not know... You just hear about it in the community that they [CAs] are coming, they [CAs] come and tell us that they are about to start... (5 M).