Table 2 Comparison of the mean HOMA-IR value between the 2007–2010 and 2019–2020 datasets by age and puberty.

From: Trends in HOMA-IR values among South Korean adolescents from 2007–2010 to 2019–2020: a sex-, age-, and weight status-specific analysis

Sex

Age

2007–2010

2019–2020

P

2007–2010

2019–2020

P

Mean (95% CI)

Mean (95% CI)

Mean (95% CI)

Mean (95% CI)

Boys§

10

2.85 (2.643.06)

3.04 (2.573.52)

0.462

2.95 (2.783.12)

3.00 (2.663.33)

0.798

 

11

3.04 (2.793.29)

2.95(2.513.38)

0.716

 

12

3.25 (3.04–3.47)

4.34 (3.49–5.20)

0.015

3.18 (3.06–3.30)

4.16 (3.68–4.65)

<0.001

 

13

3.16 (2.97–3.36)

5.21(4.16–6.26)

<0.001

 

14

3.11 (2.933.29)

3.16 (2.723.59)

0.857

 

15

3.12 (2.803.44)

3.68 (2.974.40)

0.156

2.78 (2.61–2.95)

3.12 (2.84–3.40)

0.041

 

16

2.62 (2.48–2.76)

3.53 (2.90–4.15)

0.005

 

17

2.67 (2.392.96)

2.70 (2.283.13)

0.919

 

18

2.66 (2.063.26)

2.75 (2.253.26)

0.807

Girls§§

10

3.25 (2.913.59)

3.69 (2.924.46)

0.300

3.44 (3.26–3.62)

4.00 (3.56–4.44)

0.021

 

11

3.58 (3.313.85)

3.88 (3.264.51)

0.388

 

12

3.51 (3.27–3.76)

4.40 (3.65–5.16)

0.028

 

13

3.27 (3.103.45)

5.21 (3.097.33)

0.073

3.06 (2.92–3.19)

3.77 (3.00–4.55)

0.072

 

14

3.16 (2.933.39)

3.09 (2.583.59)

0.788

 

15

2.77 (2.543.00)

3.02 (2.523.52)

0.364

 

16

2.85 (2.673.03)

3.05 (2.463.64)

0.512

2.66 (2.49–2.82)

2.74 (2.38–3.11)

0.662

 

17

2.63 (2.292.97)

2.85 (2.253.44)

0.534

 

18

2.47 (2.212.72)

2.31 (1.792.83)

0.586

  1. Statistically significant differences between 2007–2010 and 2019–2020 are indicated in bold font.
  2. §: the cut-off age was set at 12 years; gonadarche and 15 years; Tanner stage 5.
  3. §§: the cut-off age was set at 13 years; menarche and 15 years; Tanner stage 5.
  4. CI confidence interval.