Participant characteristics at study entry in the baseline and flattened injecting networks.

Table notes: aTotals may not sum to n due to missing data. bIQR: interquartile range. cIncluding full-time, part-time and casual employment. dIncluding full-time and part-time students. ePensioners, home-duties. fIncluding own home, renting, and living with parents. gIncluding homeless, squat and boarding.