Fig. 1

2019 KHC respondent socio-educational advantage†by Indigenous identification. †Quintile 1: ICSEA < 1042; Quintile 2: ICSEA 1042 to 1071; Quintile 3: ICSEA 1072 to 1106; Quintile 4: ICSEA 1107 to 1129; Quintile 5: ICSEA ≥ 1130. Missing: n = 15