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. 2024 May 2;111(5):927–938. doi: 10.1016/j.ajhg.2024.04.003

Table 2.

Linear mixed model output

Predictors Estimates LTL
CI
p
Intercept 8.541 8.365–8.718 <0.001
Age −0.022 −0.024–−0.020 <0.001
Sex [M] −0.153 −0.219–−0.088 <0.001
PGS 0.425 0.206–0.645 <0.001
P. falciparum Incidence −1.128 −1.807–−0.449 0.002
PC1 5.676 3.940–7.411 <0.001
PC2 −2.012 −3.826–−0.197 0.031
PC3 4.942 2.150–7.734 0.001
PC4 −5.65 −7.892–−3.408 <0.001
PC5 0.627 −1.520–2.774 0.562
PC6 −0.585 −2.331–1.161 0.502
PC7 −0.398 −1.792–0.997 0.576
PC8 0.617 −0.739–1.974 0.372
PC9 0.24 −1.285–1.764 0.756
PC10 0.567 −0.807–1.942 0.418
PC11 1.16 −0.179–2.500 0.09
PC12 0.02 −1.640–1.681 0.981
PC13 1.138 −0.210–2.486 0.098
PC14 −1.215 −2.848–0.419 0.142
PC15 −2.177 −3.807–−0.547 0.01
PC16 1.943 0.326–3.560 0.019
PC17 −0.457 −1.878–0.965 0.528
PC18 0.351 −1.002–1.703 0.611
PC19 0.55 −0.808–1.908 0.427
PC20 2.803 1.279–4.327 <0.001

Random Effects

σ2 0.46
τ00Sampling Site 0.01
ICC 0.02
N Sampling Site 55
Observations 1758
Marginal R2/conditional R2 0.378/0.387

Linear mixed model output for a model containing age, sex, 20 principal components, the LTL PGS, and Plasmodium falciparum malaria incidence as explanatory variables. Sampling site included as a random effect. Malaria has a significant effect on shortening LTL, adjusting for all other covariates.