What test can be used to assess whether the underlying mean change score differs for retired women vs. working women?

Health Promotion

A study looked at the influence of retirement on the level of physical activity among people ages 45ˆ’64 in the Atherosclerosis Risk in Communities (ARIC) Study [18]. For this purpose a sport score from 1 (low physical activity) to 5 (high physical activity) and a leisure score from 1 (low physical activity) to 5 (high physical activity) were constructed. The main outcome measure was the sum of the sport and leisure scores [range from 2 (low physical activity) to 10 (high physical activity)]. These scores were ascertained at baseline (year 0) and at follow-up (year 6). A comparison was made between people who were still working at year 6 vs. those who were retired at year 6. The data in Table 8.31 were presented for African American women.

Table 8.31: Change in combined sport and leisure score for African American women in the ARIC Study (year 6 score €“ year 0 score)

 

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Mean change 95% CI Retired at year 6 (0.17, 0.42) (0.05, 0.25) 0.29 295 Working at year 6 841 0.15