Table IV.

Comparison of depression scores between different basic data (n = 52)

Basic data		HADS-D scores	t/F	P-value
Gender	Male	5.41 ±3.53	0.583	0.562
	Female	6.00 ±3.67
Age	Under 40	4.40 ±2.80	3.817	0.029
	40-under55	6.88 ±4.33*
	55 and above	7.20 ±2.97*
Education background	High school and below	5.87 ±3.79	0.271	0.787
	Bachelor and above	5.59 ±3.38
Smoking	Yes	7.67 ±4.06	1.802	0.078
	No	5.35 ±3.39
Previous disease	Yes	8.40 ±2.55	2.765	0.008
	No	5.12 ±3.53

HADS-D – Hospital Anxiety and Depression Scale-Depression,

^*compared with under 40, p < 0.05. P-value t-test < 0.05.