Table 1.
Subject Characteristics (n = 419)
| Variable | Total | Men (n = 205) |
Women (n = 214) |
p Value* |
|---|---|---|---|---|
|
Serum 25-
hydroxy vitamin D (ng/mL) |
33.6 (11%) | 32.1 (10%) | 35.1 (11%) | <0.01 |
| Age | 44 ± 16.1 | 43 ± 15.8 | 44 ± 16.4 | 0.67 |
| BMI | 26 ± 4.8 | 27 ± 4.5 | 25 ± 4.9 | <0.01 |
|
Resting pulse
(bpm) |
69 ± 11.1 | 67 ± 11.8 | 70 ± 10.4 | <0.01 |
|
Seated blood
pressure systolic (mmHg) |
119 ± 13.3 | 122 ± 12.8 | 116 ± 13.4 | <0.01 |
|
Seated blood
pressure diastolic (mmHg) |
75 ± 9.6 | 77 ± 9.4 | 74 ± 9.9 | 0.02 |
|
Maximal oxygen
uptake (ml/kg/min) |
33.9 ± 9.7 | 38.2 ± 8.9 | 30.2 ± 8.8 | <0.01 |
|
Physical activity
(counts per day) |
190730±140999 | 210991±173778 | 171157±96064 | <0.01 |
|
Season (Serum
25-hydroxy vitamin D measurement) |
0.13 | |||
| Spring | 130 (31%) | 54 (26%) | 76 (35%) | |
| Summer | 122 (29%) | 65 (32%) | 57 (27%) | |
| Fall | 92 (22%) | 50 (24%) | 42 (20%) | |
| Winter | 75 (18%) | 36 (18%) | 39 (18%) |
Values are presented as mean ± SD or number (percentage)
Since serum 25-hydroxy vitamin D was not normally distributed, values are presented as geometric mean (coefficient of variation %)
*
for gender difference