Table 2 Summary and sources of measures used in OPACH Physical Activity Questionnaire

WHI self-reported physical activity

1–4

[17]

Borg scale assessment of relative intensity

5

[32]

Rating of perceived capacity scale

6–7

[33]

WHI self-reported sedentary behavior

8–10

[17]

CARDIA study sedentary behavior scale

11–12

[34, 35]

Short Falls Efficacy Scale International

13

[36]

Participation in falls prevention programs

18–19

Original, newly developed questions

Falls history assessment

20–21

[37]

Engagement in physical activity during fall and injurious fall; injurious fall history assessment

22–26

Original, newly developed questions

Urban environment and physical activity

27

[38]

Neighborhood Environmental Walkability Scale - select subscales (neighborhood type and crime safety)

28–29

[39]

CHAMPS self-reported physical activity assessment

30

[40]