About the Mental Health Index � The monthly survey by LifeWorks was conducted through an online survey from January 13 and 26, 2022, with 1,000 respondents in Australia. All respondents reside in Australia and were employed within the last six months. The data has been statistically weighted to ensure the regional and gender composition of the sample reflect this population. The Mental Health Index� is published monthly, beginning April 2020, and compares against benchmark data collected in 2017, 2018, 2019.