Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: STOPFLU: Is it Possible to Reduce the Number of Days Off in Office Work by Improved Hand-hygiene?
Brief Summary: Improved hand hygiene is known to reduce transmission of both respiratory (RTI) and gastrointestinal infections (GTI) under "semi-closed" conditions such as hospitals, day-care centres and schools. It is not known if similar interventions would have the desired effect in a regular office work. This study is aiming to investigate this possibility by recruiting volunteers from several companies in the Helsinki Region. The two intervention groups will receive detailed instructions e.g. for proper coughing and sneezing, and for regular cleaning of hands with either standard liquid soap or with alcohol-based gel rubbing. Third group will serve as the control and is advised not to change their previous behaviour in this respect. The participants will report weekly possible RTI or GTI symptoms and related days off through internet. The study is planned to run about 18 months to cover the seasonal variation of the epidemics of the causative different viruses.


Options:
A: Arm Label: Facemask and hand hygiene; Type: EXPERIMENTAL; Interventions: Behavioral: Ear Loop Procedure Mask, Behavioral: 62% Ethyl Alcohol Hand Sanitizer | Arm Label: Facemask only; Type: EXPERIMENTAL; Interventions: Behavioral: Ear Loop Procedure Mask | Arm Label: Control; Type: NO_INTERVENTION; Interventions: N/A | Intervention Type: BEHAVIORAL; Name: Ear Loop Procedure Mask; Assigned to Arm(s): Facemask and hand hygiene, Facemask only | Intervention Type: BEHAVIORAL; Name: 62% Ethyl Alcohol Hand Sanitizer; Assigned to Arm(s): Facemask and hand hygiene
B: Arm Label: Hand washing; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Hand washing | Arm Label: Disinfectant rubbing; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Disinfectant rubbing | Arm Label: Control; Type: NO_INTERVENTION; Interventions: N/A | Intervention Type: BEHAVIORAL; Name: Hand washing; Assigned to Arm(s): Hand washing | Intervention Type: BEHAVIORAL; Name: Disinfectant rubbing; Assigned to Arm(s): Disinfectant rubbing
C: Arm Label: Closed face shield + Surgical face mask; Type: EXPERIMENTAL; Interventions: Other: Closed face shield with Surgical face mask use | Arm Label: Surgical face mask; Type: ACTIVE_COMPARATOR; Interventions: Other: Surgical face mask use only | Intervention Type: OTHER; Name: Closed face shield with Surgical face mask use; Assigned to Arm(s): Closed face shield + Surgical face mask | Intervention Type: OTHER; Name: Surgical face mask use only; Assigned to Arm(s): Surgical face mask
D: Arm Label: Water Quality; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Water Quality | Arm Label: Sanitation; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Sanitation | Arm Label: Handwashing; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Handwashing | Arm Label: Combined Water, Sanitation, and Handwashing; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Water Quality, Behavioral: Sanitation, Behavioral: Handwashing | Arm Label: Nutrition; Type: ACTIVE_COMPARATOR; Interventions: Dietary Supplement: Nutrition | Arm Label: Nutrition + Combined Water, Sanitation, and Handwashing; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Water Quality, Behavioral: Sanitation, Behavioral: Handwashing, Dietary Supplement: Nutrition | Arm Label: Active control arm; Type: NO_INTERVENTION; Interventions: N/A | Arm Label: Passive control arm; Type: NO_INTERVENTION; Interventions: N/A | Intervention Type: BEHAVIORAL; Name: Water Quality; Assigned to Arm(s): Combined Water, Sanitation, and Handwashing, Nutrition + Combined Water, Sanitation, and Handwashing, Water Quality | Intervention Type: BEHAVIORAL; Name: Sanitation; Assigned to Arm(s): Combined Water, Sanitation, and Handwashing, Nutrition + Combined Water, Sanitation, and Handwashing, Sanitation | Intervention Type: BEHAVIORAL; Name: Handwashing; Assigned to Arm(s): Combined Water, Sanitation, and Handwashing, Handwashing, Nutrition + Combined Water, Sanitation, and Handwashing | Intervention Type: DIETARY_SUPPLEMENT; Name: Nutrition; Assigned to Arm(s): Nutrition, Nutrition + Combined Water, Sanitation, and Handwashing

Answer: B