Table 1.
Description of sample before and after propensity score matching. Medical Expenditure Panel Survey (2000–2009).
| Before matching
|
After matching
|
|||||
|---|---|---|---|---|---|---|
| PD
|
Non-PD
|
Sig | PD
|
Non-PD
|
Sig | |
| Wt% | Wt% | Wt% | Wt% | |||
| 100.0 | 100.0 | 100.0 | 100.0 | |||
| Gender | ** | |||||
| Women | 45.5 | 57.8 | 45.5 | 48.7 | ||
| Men | 54.5 | 42.2 | 54.5 | 51.3 | ||
| Race | ||||||
| White | 86.0 | 81.5 | 86.0 | 86.6 | ||
| Others | 14.0 | 18.5 | 14.0 | 13.4 | ||
| Health status | *** | |||||
| Excellent/very good | 16.0 | 43.3 | 16.0 | 16.2 | ||
| Good | 30.1 | 33.0 | 30.1 | 27.1 | ||
| Fair/poor | 53.9 | 23.7 | 53.9 | 56.7 | ||
| Mental health status | *** | |||||
| Excellent/very good | 28.7 | 57.6 | 28.7 | 31.4 | ||
| Good | 38.0 | 31.4 | 38.1 | 34.6 | ||
| Fair/poor | 33.2 | 11.1 | 33.2 | 34.0 | ||
| Body mass indexa | * | |||||
| Under or normal weight | 45.5 | 37.3 | 45.5 | 43.7 | ||
| Overweight or obese | 54.5 | 62.7 | 54.5 | 56.3 | ||
Note: Based on 351 individuals with PD and 33,474 individuals without PD before matching; and 350 individuals with PD and 1050 individuals without PD after matching among elderly people aged 65 or older. Matching was conducted on gender, race/ethnicity, health status, mental health status, and body mass index. Asterisks represent statistical significance between women and men based on chi-square tests.
Wt%: Weighted percentage, HS: High School.
***
p < 0.001;
**
0.001 ≤ p < 0.01.
a
Numbers do not add up to total numbers due to missing data.