Table 2. Trends in proportions of preventive measures taken for Kanagawa, Aichi, and Shiga Prefectures.
| Kanagawa | Mar 6 (n = 23,944) |
Mar 12 (n = 8,033) |
Mar 27 (n = 23,625) |
| Washing hands in running water | 57.73 | 56.67 | 55.38 |
| Washing hands with soap and water | 91.10 | 90.64 | 91.89 |
| Hand disinfection with alcohol | 66.28 | 66.36 | 66.23 |
| Etiquette (masks, handkerchiefs, etc) in case of coughing or sneezing | 91.68 | 91.39 | 91.18 |
| Take time off from school or work when you have a fever or other symptoms | 45.29 | 46.62 | 45.17 |
| Gargling with water | 60.67 | 58.42 | 59.64 |
| Gargling with Isozine | 16.13 | 15.75 | 14.85 |
| Regular ventilation | 48.52 | 48.56 | 54.12 |
| Maintaining humidity | 35.14 | 33.52 | 30.30 |
| A well-balanced diet | 51.77 | 51.33 | 52.16 |
| Regular exercise | 26.47 | 26.99 | 28.11 |
| Getting plenty of rest | 53.22 | 50.64 | 51.92 |
| Telework | 7.08 | 9.32 | 9.36 |
| Staggered commuting | 11.00 | 12.88 | 11.39 |
| Avoidance of crowds other than staggered commuting | 27.38 | 28.22 | 25.60 |
| Staying up-to-date on COVID-19 | 59.48 | 61.89 | 61.50 |
| Other preventive measures | 1.85 | 1.53 | 1.64 |
| No preventive measures | 0.36 | 0.22 | 0.36 |
| Aichi | Mar 19 (n = 22,361) |
Mar 27 (n = 16,083) |
|
| Washing hands in running water | 59.13 | 59.39 | |
| Washing hands with soap and water | 85.90 | 86.28 | |
| Hand disinfection with alcohol | 65.05 | 64.53 | |
| Etiquette (masks, handkerchiefs, etc) in case of coughing or sneezing | 89.09 | 88.67 | |
| Take time off from school or work when you have a fever or other symptoms | 40.92 | 40.75 | |
| Gargling with water | 52.49 | 54.26 | |
| Gargling with Isozine | 13.59 | 12.34 | |
| Regular ventilation | 47.98 | 47.21 | |
| Maintaining humidity | 28.06 | 27.51 | |
| A well-balanced diet | 45.82 | 46.62 | |
| Regular exercise | 25.39 | 25.06 | |
| Getting plenty of rest | 48.09 | 50.07 | |
| Telework | 3.83 | 4.28 | |
| Staggered commuting | 5.64 | 5.88 | |
| Avoidance of crowds other than staggered commuting | 21.87 | 21.78 | |
| Staying up-to-date on COVID-19 | 54.54 | 58.15 | |
| Other preventive measures | 1.40 | 1.66 | |
| No preventive measures | 0.51 | 0.52 | |
| Shiga | Mar 19 (n = 6,522) |
Mar 27 (n = 3,283) |
|
| Washing hands in running water | 55.52 | 55.47 | |
| Washing hands with soap and water | 86.55 | 86.45 | |
| Hand disinfection with alcohol | 64.21 | 62.93 | |
| Etiquette (masks, handkerchiefs, etc) in case of coughing or sneezing | 87.47 | 88.33 | |
| Take time off from school or work when you have a fever or other symptoms | 40.34 | 38.99 | |
| Gargling with water | 51.30 | 51.51 | |
| Gargling with Isozine | 13.43 | 12.00 | |
| Regular ventilation | 43.65 | 43.74 | |
| Maintaining humidity | 26.76 | 23.73 | |
| A well-balanced diet | 45.31 | 47.58 | |
| Regular exercise | 25.50 | 25.65 | |
| Getting plenty of rest | 46.20 | 48.04 | |
| Telework | 2.70 | 2.95 | |
| Staggered commuting | 3.74 | 3.75 | |
| Avoidance of crowds other than staggered commuting | 19.23 | 18.58 | |
| Staying up-to-date on COVID-19 | 55.57 | 57.08 | |
| Other preventive measures | 1.26 | 1.22 | |
| No preventive measures | 0.51 | 0.61 | |