Feature | SSDE group | non-SSDE group | P value | |
---|---|---|---|---|
(n = 34) | (n = 30) | |||
Age(yrs) | Average | 60.8 ± 9.1 | 57.1 ± 11.2 | 0.218+ |
Range | 48–78 | 39–78 | ||
Gender | Female | 31 (91.2%) | 24 (80.0%) | 0.199# |
Male | 3 (8.8%) | 6 (20.0%) | ||
Education | Illiteracy | 1 (2.9%) | 0 (0.0%) | 0.020*# |
Primary school | 6 (17.6%) | 7 (23.3%) | ||
Junior middle school | 8 (23.5%) | 6 (20.0%) | ||
Senior middle school | 14 (41.2%) | 4 (13.3%) | ||
University | 3 (8.8%) | 11 (36.7%) | ||
Post-graduate | 2 (5.9%) | 2 (6.7%) | ||
Occupation | Retired | 28 (82.4%) | 12 (40.0%) | 0.016*# |
Unretired | 6 (17.6%) | 18 (60.0%) |