Table 1 The anthropometric parameters, thyroid, and sex hormone indicators of the participants in this study

Age, years

29 (24–34)

30 (27–34)

27 (23–31)

30 (23–38)

BMI, kg/m²

24.76 ± 5.88

23.50 ± 3.28

25.73 ± 4.44

23.94 ± 4.98

FT4, pmol/L

12.85 (11.78–14.08)

12.95 (11.89–13.72)

12.81 (12.05–13.66)

12.88 (11.78–13.83)

FT3, pmol/L

4.52 ± 0.68

4.39 ± 0.56

4.68 ± 0.50

4.54 ± 0.67

TSH, mIU/L

2.13 (1.10–3.66)

2.10 (1.22–4.28)

1.63 (1.04–2.23)

1.58 (1.09–2.32)

TPOAb, IU/mL

95.51 (3.50-420.94)

32.73 (3.86-448.59)

0.54 (0.19–1.20) ^$,†

0.57 (0.31–1.57) ^$,†

TgAb, IU/mL

48.51 (5.20-200.62)

36.06 (7.31-294.71)

1.36 (0.88–1.77)^$,†

1.12 (0.82–1.59) ^$,†

LH, mIU/mL

6.44 (3.85–10.95)

3.7 (2.57–9.13)^*

8.60 (6.17–12.25)

4.26 (2.28–10.35)^*

FSH, mIU/mL

6.33 (4.17–7.25)

6.58 (4.21–8.74)

5.35 (4.30–6.68)

5.37 (3.26–7.27)

LH/FSH

1.16 (0.66–1.94)^*

0.67 (0.46–1.10)^{*, $}

1.63 (1.22–2.17)

0.85 (0.58–1.35)^*

Estradiol, pmol/L

188.5 (147.5-290.5)

162 (97.85–307.7)

166 (123.5-291.5)

186 (92.1–309.0)

Testosterone, nmol/L

1.05 (0.69–1.60)

0.69 (0.69–0.99) ^{*, $}

1.24 (0.71–1.93)

0.69 (0.69–1.09)^*