Table 1.

Baseline Characteristics of the Subjects

Data are presented as mean±SD or number.

^*Cutoff values for the total Beck's depressive inventory score in males were as follows: 1) normal (≤15 points), 2) mild depressive mood (16 to 19 points), 3) moderate depressive mood (20 to 23 points), and 4) severe depressive mood (≥24 points). The cutoff values in females were 1 point higher than those in males: 1) normal (≤16 points), 2) mild depressive mood (17 to 20 points), 3) moderate depressive mood (21 to 24 points), and 4) severe depressive mood (≥25 points).