Table 3 Direct and indirect effects of GPS_leptin on baseline and 10-year follow-up BMI at different values of the sleep duration at baseline^a

Baseline BMI						Follow-up BMI
Conditional *direct* effects of GPS _leptin on baseline and 10-year follow-up BMI at values of the sleep duration:
Sleep duration	Effect	SE	95% CI	P	Sleep duration	Effect	SE	95%CI	P
−1 SD (1.0 h)	0.224	0.050	0.126−0.322	7.5E−6	−1 SD (1.0 h)	−0.040	0.142	−0.319−–0.239	0.778
Mean (8.5 h)	0.153	0.036	0.083−0.223	1.8E−5	Mean (8.5 h)	0.082	0.101	−0.116−0.280	0.416
+1 SD (1.0 h)	0.082	0.050	−0.0162–0.180	0.102	+1 SD (1.0 h)	0.204	0.143	−0.077−0.485	0.154
Conditional *indirect* effects of GPS _leptin on baseline and 10-year follow-up BMI at values of the sleep duration: through Ln-leptin
Sleep duration	Effect	SE	95% CI		Sleep duration	Effect	SE	95%CI
−1 SD (1.0 h)	0.302	0.049	0.203−0.395	<0.05	−1 SD (1.0 h)	0.348	0.096	0.165–0.544	<0.05
Mean (8.5 h)	0.223	0.038	0.148−0.301	<0.05	Mean (8.5 h)	0.199	0.075	0.051–0.348	<0.05
+ 1 SD (1.0 h)	0.143	0.057	0.035−0.257	<0.05	+1 SD (1.0 h)	0.049	0.112	−0.174–0.267	>0.05

β (95% CI) and P value for linear regression in the mediation models
P value was adjusting for age, sex, residence, pubertal stages, diet score, and activity at baseline
Values for moderators i.e., sleep durations are the mean and ±1 SD from mean
Values in bold are significant at P < 0.05
GPS genetic predisposition scores, BMI body mass index
^aThe data table shows coefficient estimates for direct and indirect effects of GPS_leptin on baseline and 10-year follow-up BMI at values of sleep duration at baseline

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