Average rate of hand cleaning (% of toileting events) captured by video surveillance preceding and during in-person observation (days with concurrent video/in-person observation only).

Average rate of hand cleaning (% of toileting events) captured by video surveillance preceding and during in-person observation (days with concurrent video/in-person observation only).仅纳入同步开展视频监控与现场观察的天数，统计现场观察开展前及进行期间通过视频监控采集的手清洁平均比率（以手清洁事件占如厕事件总数的百分比计）。