Table 4.
Descriptive statistical analysis and comparison of variables in 2005 and 2008
| B11 | B12 | B121 | B23 | B24 | B26 | D11b | G9 | G11 | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Mean value |
2005 |
2.40 |
2.60 |
3.35 |
3.99 |
3.87 |
2.44 |
2.93 |
1.42 |
1.47 |
| 2008 |
2.40 |
2.58 |
3.32 |
3.97 |
3.87 |
3.11 |
3.03 |
1.46 |
1.50 |
|
| Plural |
2005 |
2 |
2 |
3 |
4 |
5 |
1 |
1 |
1 |
1 |
| 2008 |
2 |
2 |
3 |
5 |
5 |
3 |
5 |
1 |
1 |
|
| Minimum |
2005 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
| 2008 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
|
| Maximum |
2005 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
3 |
3 |
| 2008 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
3 |
3 |
|
| Skewness |
2005 |
0.404 |
0.260 |
−0.136 |
−0.614 |
−0.666 |
0.364 |
0.096 |
1.253 |
1.160 |
| 2008 |
0.370 |
0.204 |
−0.126 |
−0.714 |
−0.608 |
0.037 |
-0.076 |
1.136 |
1.056 |
|
| Standard error of skewness |
2005 |
0.027 |
0.027 |
0.028 |
0.028 |
0.028 |
0.028 |
0.026 |
0.026 |
0.026 |
| 2008 |
0.026 |
0.026 |
0.027 |
0.027 |
0.027 |
0.027 |
0.025 |
0.025 |
0.025 |
|
| Kurtosis |
2005 |
0.211 |
−0.405 |
0.433 |
−0.100 |
−0.107 |
−0.900 |
−1.804 |
0.360 |
0.001 |
| 2008 |
0.200 |
−0.491 |
0.456 |
−0.067 |
−0.364 |
−0.792 |
−1.842 |
0.082 |
0.082 |
|
| Standard error of kurtosis | 2005 |
0.055 |
0.055 |
0.055 |
0.056 |
0.056 |
0.056 |
0.053 |
0.053 |
0.053 |
| 2008 | 0.053 | 0.053 | 0.053 | 0.054 | 0.054 | 0.054 | 0.049 | 0.049 | −0.249 |
Note: b11: Self-rated quality of life;b12: Self-rated health; b121: do you feel any change of your health since last year; b23: Feel fearful or anxious; b24: Feel lonely and isolated; b26: Feel useless with age; d11b: Do you do any outdoor activities at present?; g9: Able to stand up from sitting in a chair?; g11: Able to pick up a book from the floor?