Estimating Change in Average Functioning in the Population Aged 50–90.

Sample: First-time participants in cognitive testing in the SOEP in 2006 or 2012. Population aged 50–90 at the time of interview. Abbreviations: SDT—Symbol-Digit Test (cognition); PCS—composite score physical health; MCS—composite score mental health. The PCS, MCS, and SDT scores have been z-standardized with a mean of 50 and a SD of 10.
Significance levels
*** p<0.001
**p<0.01
*p<0.05.
Regressions using the eight SF-12 sub-dimensions as outcome variables are shown in S1 Table.
Estimating Change in Average Functioning in the Population Aged 50–90.