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Table 4 Methods and strategies selected for improving dietary habits by increasing daily intakes of fruit

From: The Vital@Work Study. The systematic development of a lifestyle intervention to improve older workers' vitality and the design of a randomised controlled trial evaluating this intervention

Determinant

Methods from Theory

Strategy

Tools/materials

Self-Efficacy

Goal Setting

- Formulation of implementation intentions

- Individualized feedback

- Planning coping responses

- Discussing worksheet to help planning goals (How? When?) during Personal Vitality Coach (PVC) visits

- Discussion barriers/difficult situations, and possible solutions with PVC

 

Environmental changes

- Facilitation of healthy behaviour

- Providing free fruit at the Vitality Exercise Programme (VEP)

Attitude

Decisional balance

- Knowledge

- Providing information (e.g. leaflet, coach) regarding the behaviour and connection between behaviour and (health-related) outcome

Habits

Goal setting

- Formulation of implementation intentions

- Discussing worksheet to help planning goals (How? When?) during PVC visits

Awareness

Self-evaluation

- Monitoring own fruit intake

- Fruit intake diary

Intention

Goal Setting

- Formulation of implementation intentions

- Discussing worksheet to help planning goals (How? When?) during PVC visits