Table 1 Characteristics of morbidly obese men and women

From: Impact of gender on vitamin D deficiency in morbidly obese patients: a cross-sectional study

 

Total (n=2026)

Men (n=690)

Women (n=1336)

Pa

Age (years)

43.1 (12.2)b

45.0 (12.1)

42.2 (12.2)

<0.001

Caucasian

1960 (97%)c

672 (98%)

1288 (97%)

0.660

Current smoker

535 (26%)

140 (20%)

395 (30%)

<0.001

Vitamin D supplement

231 (11%)

65 (9%)

166 (12%)

0.046

Winter season (November through till February)

762 (38%)

267 (39%)

495 (37%)

0.468

Anthropometric measures

 Weight (kg)

131 (22)

145 (22)

124 (18)

<0.001

 Height (cm)

172 (9)

180 (7)

167 (7)

<0.001

 BMI (kg/m2)

44.4 (5.9)

44.6 (6.0)

44.3 (5.9)

0.302

 Waist (cm)

131 (14)

140 (13)

127 (13)

<0.001

 Hip (cm)

133 (12)

130 (12)

135 (12)

<0.001

 Waist-to-hip ratio

0.99 (0.1)

1.08 (0.08)

0.94 (0.08)

<0.001

 Physically actived

458 (32%)

165 (32%)

293 (31%)

0.723

Co-morbidity

 Type 2 diabetes

499 (25%)

233 (34%)

266 (20%)

<0.001

 Coronary artery disease

91 (5%)

69 (10%)

22 (2%)

<0.001

Biomarkers

 25-hydroxyvitamin D (nmol/l)

52.4 (22.3)

50.0 (22.0)

53.6 (22.4)

0.001

 Vitamin D deficiency

1019 (50%)

386 (56%)

633 (47%)

<0.001

 PTH (pmol/l)

6.7 (3.8)

7.1 (4.8)

6.5 (3.2)

0.003

 Secondary hyperparathyroidism

691 (34%)

255 (37%)

436 (33%)

0.054

 Insulin, fasting (pmol/l)

127.1 (112.6)

144.0 (99.6)

118.4 (117.9)

<0.001

 CRP (pg/ml)

10.7 (11)

9.3 (12.9)

11.5 (9.8)

<0.001

 CRP7 (pg/ml)

1308 (65%)

378 (55%)

930 (70%)

<0.001

  1. Abbreviations: BMI, body mass index; CRP, C-reactive protein; PTH, parathyroid hormone.
  2. aIndependent samples t-test or Fisher's exact test where appropriate.
  3. bData given as mean (s.d.; all such values).
  4. cNumber (%; all such values).
  5. d60 min of vigorous intensity aerobic physical activity/week (n=1451).