Table 1. Sociodemographic data and BDI and GDS scores.

1 U.S. dollar=1,055 Korean won at the time of the interviews. ^*significant correlation with the happiness score, Pearson correlation coefficient r=0.2, p<0.01, ^†subjects who had a partner (married, remarried, or cohabiting) showed significantly higher happiness scores than subjects who did not by a Student's t-test (t=2.413, df=283.075, p<0.05). BDI: Beck Depression Inventory, GDS: Geriatric Depression Scale, SD: standard deviation