Explanatory variable | β coefficient ± standard error | df | t | P |
---|---|---|---|---|
Intercept | 81.26 ± 10.22 | 44.56 | 7.95 | < 0.0001 |
Study group (LH vs. LL) | 5.00 ± 2.63 | 163.26 | 1.90 | 0.06 |
Study group (HL vs. LL) | 7.05 ± 2.61 | 175.58 | 2.71 | 0.01 |
Study group (HH vs. LL) | 2.20 ± 2.73 | 170.74 | 0.80 | 0.42 |
Study group (HL vs. LH) | 2.05 ± 2.68 | 175.2 | 0.77 | 0.44 |
Study group (HH vs. HL) | −4.86 ± 2.77 | 188.5 | −1.75 | 0.08 |
Study group (HH vs. LH) | −2.81 ± 2.71 | 172.6 | − 1.04 | 0.30 |
Age | 3.52 ± 1.11 | 333.46 | 3.18 | 0.002 |
Squared age | −0.09 ± 0.03 | 323.87 | −2.65 | 0.009 |