1.

Acceptability curve reflecting the probability that blended ACT is cost-effective compared to CBT in terms of QALYs (cost-utility) at different willingness-to-pay ceilings.

1.

Baseline characteristics of study sample.

1.

Mean costs and outcomes by condition over assessments.

1.

Result of the main analyses (cost-effectiveness and cost-utility) and sensitivity analyses.

1.

Instrument to assess missing neighbourhood characteristics to age in place.

2.

Instrument to assess missing neighbourhood characteristics to age in place.

3.

Instrument to assess missing neighbourhood characteristics to age in place.

1.

Multilevel model on missing neighbourhood characteristics for ageing in place and physical activity.

2.

Multilevel model on missing neighbourhood characteristics for ageing in place and physical activity.

3.

Multilevel model on missing neighbourhood characteristics for ageing in place and physical activity.

1.

Physical activity before and after implementation of COVID-19 measures.

2.

Physical activity before and after implementation of COVID-19 measures.

3.

Physical activity before and after implementation of COVID-19 measures.

1.

COVID-19 measures taken in the Netherlands.

2.

COVID-19 measures taken in the Netherlands.

3.

COVID-19 measures taken in the Netherlands.

1.

Physical activity of Creole, Hindustani and Other Surinamese.

2.

Physical activity of Creole, Hindustani and Other Surinamese.

3.

Physical activity of Creole, Hindustani and Other Surinamese.

1.

Dataset—Physical activity among older Surinamese adults (SPSS).

2.

Dataset—Physical activity among older Surinamese adults (SPSS).

3.

Dataset—Physical activity among older Surinamese adults (SPSS).