Table 1

Subjects, dietary intake, and vitamin D levels

A. Subject characteristics
Age (y)Weight (kg)Height (cm)BMI (kg/m2)Ethnicity
WBO
Mean58.381.1165.829.5631
SD4.615.28.15.3
B. Dietary intake
Energy (kcal)Protein (g)Carbohydrate (g)Fat (g)Calcium (mg)Phosphate (mg)Folate (μg)
Mean1,6036918463621809304
SD174154615192157154
C. Vitamin D levels
Serum vitamin D levelsDifference
MeanSDMeanSD
25(OH)D (mg/mL)Start23.87.60.364.9
End24.28.8
1,25(OH2)D (pg/mL)Start58.113.7−1.016.3
End57.111.1

NOTE: Mean ± SD for the 10 completed subjects. Daily intake calculated for 3-d food records using ESHA food processing database. Mean ± SD of vitamin D serum levels at study start and study end and differences between study start and study end in the 10 subjects who completed the study.

Abbreviations: BMI, body mass index; W, white; B, African-American; O, other.