1Language other than English. 2Household Income in Australian Dollars. 3Quality of Life. 4Medical-outcomes study physical function scale, values range from 0 (lowest physical function level) to 100 (h
Baseline characteristics in the per-protocol population: Age, sex and MTHFR polymorphisms C677T (rs1801133) and A1289C (rs1801131) (data for modified intention-to-treat population in S2 Table).