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Table 1 Randomisation and distribution of evaluable participants to groups (total(control/intervention))

From: Effectiveness of alcohol-based hand disinfectants in a public administration: Impact on health and work performance related to acute respiratory symptoms and diarrhoea

Customer contact work with archive material frequently occasionally Seldom or never Σ
Daily 24 (11/13) 20 (10/10) 16 (7/9) 60 (28/32)
seldom or never 35 (19/16) 22 (11/11) 12 (7/5) 69 (37/32)
Σ 59 (30/29) 42 (21/21) 28 (14/14) 129 (65/64)