Table 1.

Clinical and demographic characteristics of the sample

	Total (n=98)	Association with vitamin D
	M (SD)	r	P value
Age (years) (range 45–86)	66.3 (9.3)	0.14	0.16
Vitamin D level (units) (12–106)	32.4 (14.3)	-	-
C-reactive protein (mg/ml) (<0.05–22.6)	2.1 (3.3)	−0.21	0.04
Depression score (HADS-D) (0–18)	5.2 (3.8)	−0.24	0.02
Time with disease (months) (1–120)	15.4 (17.3)	0.18	0.07
Time alive after survey (months) (1–32)	12.7 (8.0)	0.20	0.06
Vitamin D Level	N (%)	F
Over 30	53 (54%)	62.806	<0.001
20–29	27 (28%)
Under 20	18 (18%)
Gender		t	P value
Male	35 (%)	0.506	0.61
Female	63 (%)
Race/ethnicity
Non-White	11 (11%)	0.006	0.99
White	87 (89%)
Married
Yes	68 (70.7%)	0.487	0.63
No	30 (29.3%)
Antidepressant
Yes	19 (19%)	−0.848	0.41
No	79 (81%)
Disease type		F	P value
Adenocarcinoma	76 (78%)	0.937	0.58
Squamous cell carcinoma	4 (4%)
Small cell lung cancer	14 (14%)
Unspecified	4 (4%)
Treatment type
Chemotherapy	34 (35%)	0.947	0.56
Immunotherapy	30 (31%)
Targeted therapy	21 (21%)
Missing	2 (2%)
Line of treatment
First	50 (%)	1.050	0.43
Second	30 (%)
Third or beyond	10 (%)

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