Table 2.
Category, second category, third category, types of changes, example of codes and each number of codes
| First category | Second category | Third category | Type of changes | Examples of codes that OPs wanted to change but could not | Number of codes |
|---|---|---|---|---|---|
| Basic system | Rule Flexible change Role | Strengthen | Establishment of internal countermeasures guidelines | 3 | |
| Flexible change | Neither | Flexible modification of countermeasures in response to pandemic conditions | 2 | ||
| Role | Neither | Revising the vertical division of roles for countermeasures | 2 | ||
| Occupational health service | Online interview | Strengthen | (Occupational health staff) online work (promotion) | 4 | |
| Service delivery | Strengthen | Visits to workplaces (on-site guidance for countermeasures) | 4 | ||
| Workplace countermeasures | Questionable countermeasures | Space sterilization | Neither | Discontinuation of purchase of space sterilization equipment | 9 |
| Testing | Antigen test・PCR | Strengthen | Implementation of PCR testing | 3 | |
| Mitigation | Discontinuation of antigen testing (for all workers) upon entry to workplaces | 8 | |||
| Neither | Antigen testing of asymptomatic workers (unknown intent) | 4 | |||
| Rules of conduct | Partition | Mitigation | Removal of partitions | 4 | |
| Tooth brushing | Mitigation | Abolition of the rule prohibiting tooth brushing | 2 | ||
| Hand disinfection | Strengthen | Change from hypochlorite water to alcohol | 8 | ||
| Mitigation | Abolition of rule prohibiting the use of jet towels | 4 | |||
| Body temperature measurement | Mitigation | Abolition of the rule for non-contact body temperature measurement upon entry (of employees and visitors) to the building | 1 | ||
| PPE | Strengthen | Designation of (type of) non-woven masks | 18 | ||
| Mitigation | Removal of masks depending on the situation (Abolition of the rule of always wearing a mask) | 5 | |||
| Rules restricting work and travel | Rule on moving | Strengthen | Restrictions on business travel | 3 | |
| Mitigation | Removal of travel restrictions to local factories | 5 | |||
| Neither | Vaccine testing package (unknown intent) | 2 | |||
| Rule on eating outside | Strengthen | Restrictions on eating, drinking outside, and karaoke | 2 | ||
| Mitigation | Mitigation of rules limiting the number of dinners | 2 | |||
| Teleworking | Strengthen | Promotion of teleworking | 13 | ||
| Rule on meeting | Strengthen | Implementation of online meetings | 2 | ||
| Rules in the work environment | Ventilation | Strengthen | Installation of CO2 monitors to assess (and improve) ventilation conditions | 11 | |
| Smoking | Strengthen | smoking cessation for smokers | 3 | ||
| Mitigation | Abolition of no-smoking rule in the workplace | 2 | |||
| Rule on using facilities | Strengthen | Closure of smoking areas | 21 | ||
| Mitigation | Abolition of outdoor activity restrictions | 1 | |||
| Neither | Timing of changes to restrictions on use of in-house facilities | 1 | |||
| Environmental disinfection | Strengthen | Change of linen for napping beds | 1 | ||
| Mitigation | Discontinuation of environmental disinfection of common areas | 9 | |||
| Individualized support | High risk person | Strengthen | Promotion of teleworking for those with serious illnesses | 2 | |
| Childcare employees | Neither | Promotion of work-related support for childcare employee | 1 | ||
| Vaccine | Strengthen | Promotion of vaccination | 8 | ||
| Mitigation | Discontinuation of strong recommendations for vaccination | 2 | |||
| Incident | Whole group | Isolation and reinstatement | Mitigation | Shortening of the period of restricted working hours | 8 |
| Infected persons | Isolation and reinstatement | Mitigation | Discontinuation of the 2-week activity record rule | 23 | |
| Neither | Flexible operation of the stay-at-home period | 6 | |||
| Persons in close contact | Isolation and reinstatement | Strengthen | Establishment of virus testing rules | 1 | |
| Mitigation | Shortening of the waiting period for persons in close contacts | 18 | |||
| Neither | Flexible operation of the waiting period at home | 2 | |||
| Definition | Strengthen | Establishment of criteria for identification of person in close contacts | 1 | ||
| Mitigation | Elimination of identification of person in close contacts | 7 | |||
| Persons in close contact with person in close contact | Isolation and reinstatement | Mitigation | Elimination of home-waiting instructions for contacts of person in close contacts | 5 | |
| Person with symptom | Isolation and reinstatement | Strengthen | Establishment of home isolation rules for PCR-negative symptomatic persons | 7 | |
| Mitigation | Shortening the isolation period for vaccinated persons | 4 | |||
| Total | 254 |
PCR: polymerase chain reaction, PPE: personal protective equipment, OP: Occupational Physician