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Table 2 Sample description according exposures, outcomes and continuous covariates

From: Are cytokines (IL-6, CRP and adiponectin) associated with bone mineral density in a young adult birth cohort?

 

Males (n = 1663)

Mean (SD)

Females (n = 1860)

Mean (SD)

18 years

22 years

18 years

22 years

Height(cm)

173.9 (7.0)

174.4 (7.1)

161.1 (6.4)

161.1 (6.5)

BMI (kg/m2)

23.3 (4.1)

25.0 (4.8)

23.5 (4.8)

25.4 (5.8)

Daily calcium intake (mg)

717.6 (334.9)

737.6 (320.7

692.3 (358.4)

770.3 (328.4)

Testosterone (ng/dL)

517.1 (183.5)

23.9 (31.4)

Insulin (μU/mL)

26.3 (24.8)

33.9 (33.3)

IL-6 (pg/mL)

1.6 (2.0)

1.6 (1.8)

1.8 (1.9)

1.8 (1.8)

IL-6 (log pg/mL)

0.2 (0.6)

0.2 (0.7)

0.3 (0.7)

0.3 (0.7)

CRP (mg/L)

1.5 (3.0)

1.8 (4.9)

3.2 (4.6)

3.7 (7.9)

CRP (log mg/L)

−0.4 (1.2)

−0.3 (1.2)

0.3 (1.3)

0.5 (1.3)

Adiponectin (μg/mL)

14.3 (7.0)

7.9 (3.9)

17.0 (7.9)

10.6 (4.7)

BMD (mg/cm2)

 Total body

1225.3 (94.5)

1270.2 (97.1)

1134.1 (77.8)

1157.9 (80.3)

 Lumbar spine

1178.1 (132.9)

1236.3 (141.9)

1158.2 (125.2)

1200.6 (129.3)

 Femoral neck

1188.5 (157.4)

1178.4 (166.3)

1034.8 (127.8)

1028.6 (129.3)

  1. BMI body mass index, IL-6 interleukin-6, CRP C-reactive protein, BMD bone mineral density
  2. Insulin and testosterone information available only at 22 years