Table 1.

Composite adherence score to COVID-19 preventive measures

Preventive measures	Composite adherence score
Hand hygiene
Wash hands regularly with water and soap OR with alcohol gel	1
Avoid touching face	0.5
Disinfect cell phone	0.5
	Divide total score by 2
Respiratory hygiene
Wear a face mask when leaving home	1
Covering face or nose with forearm or tissue when sneezing or coughing	1
Wash hands after coughing/sneezing	1
	Divide total score by 3
Physical distancing/isolation
Follow rule of staying 1.5-2 m from other people	1
Measure temperature twice a week	0.5
Stay home when experiencing flu-like symptoms (among people who had flu-like symptom days)	1
	Divide total score by 2.5
Overall composite score across all measures (1:1:1 ratio of specific scores)