Table I.
Descriptive characteristics of the subjects included in the study
| Total (N = 428) | Male (N = 196) | Female (N = 232) | Comparison between male and female | |||
|---|---|---|---|---|---|---|
| df | t/χ2 | P value | ||||
| Age in yearsa | 46.69 (1.43) | 46.64 (1.50) | 46.73 (1.37) | 426 | −0.649 | 0.517 |
| Education in yearsa | 14.80 (2.27) | 15.02 (2.22) | 14.61 (2.30) | 425 | 1.869 | 0.062 |
| Right‐handedb | 381 (89.0) | 174 (88.8) | 207 (89.2) | 1 | 0.022 | 0.882 |
| Scanner Ab | 163 (38.1) | 90 (45.9) | 73 (31.5) | 1 | 9.412 | 0.002* |
P‐values are for 2‐tailed t‐tests of continuous variables and χ2 tests of discrete variables between male and female.
*
P < 0.05.
a
Mean (SD).
b
Number of occurrences and the percentage (%).