Table 5 Multiple regression analysis results concerning the relationship between the 2D:4D of the right and left hand and the rate of weight reduction and its components, as well as the thickness of the skin and fat folds.

From: The 2D:4D index is associated with the development of excess body weight in adults, but not with the rate of weight loss following bariatric surgery

Dependent variables

DLR%*

Males n = 23

Females n = 57

2D:4DR

2D:4DL

2D:4DR

2D:4DL

β

p

β

p

β

p

β

p

Body weight and its components

Body weight (BW)

0.12

0.4282

0.14

0.4857

 − 0.03

0.7856

0.04

0.7073

Fat mass (FM)

0.01

0.9525

0.19

0.3515

 − 0.03

0.7776

0.01

0.9522

Fat-free mass (FFM)

0.27

0.2249

 − 0.40

0.1798

 − 0.14

0.3061

 − 0.02

0.9090

Muscle mass (MM)

0.28

0.2043

 − 0.38

0.2030

 − 0.03

0.8429

0.09

0.4890

Total body water (TBW)

0.16

0.4723

 − 0.42

0.1577

 − 0.03

0.8424

0.09

0.4830

Skinolds

Shoulder

 − 0.03

0.8938

 − 0.22

0.4650

0.02

0.9241

 − 0.02

0.9264

Scapula

0.29

0.2604

0.27

0.2129

 − 0.01

0.9335

 − 0.07

0.5685

Abdomen

 − 0.04

0.8363

0.05

0.8317

0.09

0.4711

0.07

0.5561

Calf

 − 0.00

0.9958

 − 0.19

0.5540

0.19

0.1571

0.22

0.1007

Thigh (anterior aspect)

0.06

0.7895

0.00

0.9950

0.22

0.1196

0.20

0.1350

Thigh (posterior aspect)

 − 0.06

0.7968

 − 0.12

0.6996

0.09

0.5156

0.06

0.6425

  1. *DLR% adjusted for age after Box-Cox transformation and type of bariatric surgery.
  2. β, standardized regression coefficient; p, probability.
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