Table 5

The independent effects of age, sex, race, and education on health related quality of life, controlling for Parkinson’s disease and 15 self reported co-morbid conditions

Physical component summaryMental component summary
Independent variablePer cent of core populationWeighted n*βSEp ValueβSEp Value
*Total weighted core population, 3 199 209, but data are incomplete for some variables.
 †p < 0.001.
Age18 to 50 years25.8%824 2131.821(0.041)−3.244(0.044)
51 to 64 years29.7% 950 1550.959(0.031)−1.755(0.033)
⩾65 years44.5%1 422 4150.000(0.000)0.000(0.000)
Total100.0%3 196 784
SexMale95.2%2 914 712−0.048(0.069)0.486−0.935(0.074)
Female4.8% 146 5180.000(0.000)0.000(0.000)
Total100.0%3 061 230
RaceWhite72.9%2 237 1750.266(0.041)1.237(0.045)
Black15.4% 473 000−0.323(0.052)0.286(0.058)
Other11.7% 359 0360.000(0.000)0.000(0.000)
Total100.0%3 069 211
Education⩽12 years53.8%1 584 082−1.981(0.027)−2.479(0.029)
>12 years46.2%1 362 7050.000(0.000)0.000(0.000)
Total100.0%2 946 787