Table 3 Subgroup analyses stratified by gender and BMI

TFQI

2.028 (1.639, 2.509) < 0.001

1.162 (1.048, 1.478) 0.021

1.261 (1.079, 1.623) 0.042

TFQI (quartile)

 Q1

Reference

Reference

Reference

 Q2

1.043 (0.841, 1.295) 0.700

1.243 (0.981, 1.576) 0.071

1.295 (1.011, 1.658) 0.041

 Q3

1.303 (1.059, 1.602) 0.012

1.298 (1.029, 1.638) 0.028

1.360 (1.068, 1.731) 0.013

 Q4

1.622 (1.328, 1.980)  < 0.001

1.283 (1.020, 1.612) 0.033

1.364 (1.073, 1.736) 0.011

 P for trend

 < 0.001

0.05

0.019

 Subgroup analysis stratified by gender

 Male

1.491 (1.070, 2.077) 0.018

1.383 (0.961, 1.989) 0.081

1.435 (0.980, 2.102) 0.064

 Female

2.548 (1.929, 3.365) < 0.001

1.013 (0.736, 1.396) 0.935

1.201 (0.851, 1.695) 0.298

 Subgroup analysis stratified by BMI

 BMI < 18.5

1.961 (1.581, 2.433) < 0.001

1.173 (1.023, 1.493) 0.019

1.224 (1.052, 1.574) 0.012

 BMI 18.5–23.9

1.765 (1.048, 2.972) 0.032

1.740 (0.974, 3.109) 0.061

1.373 (0.745, 2.531) 0.309

 BMI 24–28

2.672 (1.704, 4.191) < 0.001

1.101 (0.660, 1.836) 0.713

1.096 (0.638, 1.883) 0.741

 BMI > 28

1.875 (1.416, 2.481) < 0.001

1.050 (0.768, 1.436)0.758

1.219 (0.875, 1.698) 0.242