Table 2 Chi Square values and effect size for known-group validity

Participants working full-time are more likely to report time as a barrier to exercise

Full-time

Not Full-time

Accept hypothesis

Time-barrier

19

15

Time- not a barrier

3

58

There is no difference between group-related intervention strategies between older adults and middle aged adults

<  65 years

65 + years

Accept hypothesis

Exercise Alone - Yes

19

26

Exercise Alone - No

21

29

Participants from a lower SES are more likely to report finances as a barrier to exercise

<  20 (SES)

20 + (SES)

Reject hypothesis

Finances- barrier

3

10

Finances – not a barrier

17

60

Participants with a safe place to exercise are more likely to be physically active

PA –Yes

PA - No

Accept hypothesis

Safe Place- Yes

64

0

Safe Place - No

24

3