Table 1 Basic characteristics of the participants.

Number of twin pairs

58

Gender, pairs (%)

Male

29 (50)

–

–

Female

29 (50)

–

–

Age, mean (SD) (years)

52 (7.5)

–

–

Depression score, M (P_2.5, P_97.5)

8 (0, 21)

0.36

0.006

Cognitive function score, M (P_2.5, P_97.5)

21 (8, 30)

0.39*

0.002

BMI, mean (SD), (kg/m²)

25.18 (3.63)

0.63**

<0.001

Systolic, M (P_2.5, P_97.5) (mmHg)

130 (104, 179)

0.44*

0.001

Diastolic, M (P_2.5, P_97.5) (mmHg)

82 (62, 100)

0.31*

0.020

SUA, mean (SD) (μmol/L)

302 (95)

0.52**

<0.001

GLU, M (P_2.5, P_97.5) (mmol/L)

5.4 (3.60, 10.86)

0.57**

<0.001

CHOL, mean (SD) (mmol/L)

4.97 (1.18)

0.54**

<0.001

TG, M (P_2.5, P_97.5) (mmol/L)

1.19 (0.20, 5.67)

0.58**

<0.001

HDLC, M (P_2.5, P_97.5) (mmol/L)

1.34 (0.66, 2.71)

0.83**

<0.001

LDLC, mean (SD) (mmol/L)

2.89 (0.88)

0.45**

<0.001