C1QTNF6 and type 1 diabetes mellitus: When T1D participants were separated into those with childhood onset (age at onset < 15 years) and those without childhood onset (age at onset ≥ 15 years), genotypic information of C1QTNF6 rs229541 did not alter the risk for early disease onset under all genetic models tested (all P values > 0.05), as shown in Table 4.