Symptomatic Correlates of Vitamin D Deficiency in First-Episode Psychosis

Table 1

Demographic and clinical characteristics of the study samples.

	FEP (n=33)	MEP (n=33)	P
Age (years), mean (SD)	31.21 (10.03)	41.15 (9.88)	<0.001^†
Gender, n (%)
Male	23 (69.70%)	23 (69.70%)	1.000^‡
Female	10 (69.30%)	10 (69.30%)
Ethnicity, n (%)
White	32 (96.97%)	32 (96.97%)	1.000^‡
Black	1 (3.03%)	1 (3.03%)
Education (years), mean (SD)	10.28 (3.40)
Marital status, n (%)
Single/divorced	7 (21.21%)	7 (21.21%)	1.000^‡
Married/partner	26 (78.78%)	26 (78.78%)
Blood collection season, n (%)
Summer season	16 (48.48%)	11 (33.33%)	0.211^‡
Winter season	17 (51.51%)	22 (66.66%)
Tobacco, n (%)
Yes	14 (42.42%)	19 (57.57%)	0.218^‡
No	19 (57.57%)	14 (42.42%)
Weight (kg), mean (SD)	70.86 (14.37)	74.86 (14.11)	0.257^†
BMI (kg/m2), mean (SD)	23.85 (4.12)	25.08 (3.92)	0.221^†
Diagnosis, n (%)
Schizophrenia	12 (36.36%)	19 (57.58%)	0.148^§
Delusional disorder	5 (15.15%)	2 (6.06%)
Psychosis NOS	7 (21.21%)	1 (3.03%)
Bipolar disorder	2 (6.06%)	4 (12.12%)
Psychotic depression	4 (12.12%)	2 (6.06%)
Cannabis induced psychosis	2 (6.06%)	3 (9.09%)
Schizo-affective disorder	1 (3.03%)	2 (6.06%)
Cannabis use, n (%)
Yes	6 (18.18%)
Duration of untreated psychosis (DUP) (days), mean (SD)	450.54 (952.64)
Global Assessment Functioning (GAF), mean (SD)	59.21 (9.44)
Medication Adherence Rating Scale (MARS), Mean (SD)	6.40 (2.14)
Depressive symptom score (BDI), Mean (SD)	12.42 (9.10)
Positive symptom subscale score (PANSS), Mean (SD)	12.84 (3.57)
Negative symptom subscale score (PANSS), Mean (SD)	16.09 (7.27)
General psychopathology subscale score (PANSS), Mean (SD)	31.59 (7.43)

’s t-test
^‡Chi-squared test
^§Fisher’s exact test