Table 2 Main themes and sub-themes items for employers and employees

Values

Responsibility

• Perceived responsibility for SA

• Perceived responsibility for health

Health culture

• Presence of a health culture

Facilitators

Expected and perceived positive effects

• Effect of IPS on future SA

• Effect of IPS on future LTSA

• Effect of IPS on health

Side effects & barriers

Expected and perceived side effects employer

• Costs (for the IPS)

• ROI

• Costs and benefit balance

• Healthcare costs

• Healthcare use

Expected and perceived side effects employee

• Costs (own payment for preventive care)

• Restraint own payment for use of preventive care

• Attitude towards employer if he pays for preventive care

• Healthcare use

Adoption barriers

• Trust in the privacy of information

• Confidence in the IPS

• Discrimination/stigmatization

Practical implementation barriers

• Insufficient time to fill out the questionnaire

• Communication issues with the IPS

• Low -frequency of the IPS