Characteristics | N (%) | Total | ||
---|---|---|---|---|
a) IIV (any) | 69 670 / 441 747 (16) | PR (95% CI) | aPR (95% CI) | |
Other Australians | 48 196/320 008 (15) | ref | ref | |
First Nations | 4 073/28 962 (14) | 0.93 (0.91–0.95) | 0.98 (0.96–0.99) | |
CALD | 17 401/92 777 (19) | 1.24 (1.22–1.25) | 1.21 (1.20–1.23) | |
Age at infant birth < 20years | 2 314/17 137 (14) | ref | ref | |
20–34 years | 53 013/330 135 (16) | 1.23 (1.17–1.28) | 1.26 (1.20–1.32) | |
≥ 35 years | 14 343/94 475 (15) | 1.15 (1.09–1.20) | 1.29 (1.23–1.36) | |
No 1st trimester antenatal care | ref | ref | ||
Antenatal care in 1st trimester | 50 283/283 670 (18) | 1.44 (1.42–1.46) | 1.50 (1.47–1.53) | |
Multiparous | ref | ref | ||
Primiparous | 39 278/ 198 348 (20) | 1.25 (1.24–1.27) | 1.26 (0.24–1.28) | |
Private hospital birth | ref | ref | ||
Public hospital birth* | 22 362/174 049 (13) | 0.68 (0.66–0.68) | 0.81 (0.80–0.83) | |
Northern Territory | 1 976/18 433 (11) | ref | ref | |
Queensland | 40 918/271 737 (15) | 1.38 (1.33–1.44) | 1.46 (1.41–1.52) | |
Western Australia | 26 734/151 573 (18) | 1.64 (1.58–1.71) | 1.75 (1.68–1.82) | |
Year of infant birth 2012 | 2 008/74 797 (3) | ref | ref | |
2013 | 3 772/74 713 (5) | 1.87 (1.79–1.96) | 1.63 (1.51–1.77) | |
2014 | 3 654/72 791 (5) | 1.81 (1.72–1.89) | 1.07 (0.98–1.16) | |
2015 | 10 896/71 179 (15) | 5.54 (5.32–5.76) | 9.14 (8.56–9.76) | |
2016 | 22 092/75 854 (29) | 10.49 (10.09–10.90) | 18.90 (17.74–20.15) | |
2017 | 27 206/72 409 (38) | 13.51 (13.02–14.06) | 24.22 (22.73–25.81) | |
Not remote | ref | ref | ||
Remote/Very remote | 3 139/22 882 (14) | 0.88 (0.85–0.90) | 0.89 (0.86–0.91) | |
SEIFA 1 n = 49 376 | 6 816 (14) | ref | ref | |
SEIFA 2 n = 44 082 | 6 028 (14) | 0.99 (0.95–1.03) | 0.94 (0.90–0.97) | |
SEIFA 3 n = 41 662 | 6 223 (15) | 1.10 (1.06–1.14) | 0.96 (0.93-1.00) | |
SEIFA 4 n = 42 891 | 6 157 (14) | 1.05 (1.01–1.09) | 0.97 (0.93-1.00) | |
SEIFA 5 n = 41 002 | 6 382 (16) | 1.15 (1.11–1.19) | 0.98 (0.95–1.01) | |
SEIFA 6 n = 45 341 | 7 469 (16) | 1.23 (1.19–1.28) | 1.05 (1.02–1.09) | |
SEIFA 7 n = 47 734 | 8 151 (17) | 1.29 (1.24–1.33) | 1.07 (1.04–110) | |
SEIFA 8 n = 44 852 | 7 171 (16) | 1.19 (1.15–1.23) | 1.01 (0.98–1.04) | |
SEIFA 9 n = 42 549 | 7 597 (18) | 1.36 (1.31–1.41) | 1.10 (1.07–1.14) | |
SEIFA10 n = 40 821 | 7 372 (18) | 1.38 (1.33–1.43) | 1.17 (1.13–1.21) | |
b) dTpa† (any) | n = 125 023 / 292 126 (43) | PR (95% CI) | PR (95% CI) | |
Other Australians | 90 726/207 560 (44) | ref | ref | |
First Nations | 6 029/19 414 (31) | 0.70 (0.69–0.71) | 0.80 (0.79–0.82) | |
CALD | 28 268/65 152 (43) | 0.98 (0.97–0.98) | 0.97 (0.96–0.98) | |
Age at infant birth < 20years | 4 019/11 085 (36) | ref | ref | |
20–34 years | 96 362/220 335 (44) | 1.20 (1.17–1.22) | 1.11 (1.09–1.14) | |
≥ 35 years | 24 642/60 706 (41) | 1.16 (1.13–1.19) | 1.07 (1.04–1.09) | |
No 1st trimester antenatal care | ref | ref | ||
Antenatal care in 1st trimester | 90 186/194 414 (46) | 1.19 (1.18–1.20) | 1.15 (1.14–1.16) | |
Multiparous | ref | ref | ||
Primiparous | 71 593/143 236 (50) | 1.24 (1.23–1.25) | 1.25 (1.24–1.26) | |
Other birth facility | ref | ref | ||
Public hospital birth* | 55 763/115 949 (48) | 0.90 (0.89–0.91) | 0.97 (0.96–0.98) | |
Northern Territory | 2 358/18 433 (13) | ref | ref | |
Queensland | 88 765/271 737 (33) | 2.54 (2.46–2.62) | 2.44 (2.36–2.52) | |
Western Australia | 33 811/151 573 (22) | 1.74 (1.68–1.80) | 1.67 (1.62–1.73) | |
Year of infant birth 2015 | 23 884/71 179 (34) | ref | ref | |
2016 | 48 070/75 854 (63) | 1.91 (1.89–1.93) | 1.37 (1.36–1.38) | |
2017 | 51 699/72 409 (71) | 2.15 (2.13–2.18) | 2.22 (1.12–4.72) | |
Not remote | ref | ref | ||
Remote/Very remote | 4 520/14 779 (31) | 0.75 (0.73–0.76) | 0.75 (0.74–0.77) | |
SEIFA 1 n = 31 925 | 11 203 (35) | ref | ref | |
SEIFA 2 n = 28 264 | 11 216 (40) | 1.14 (1.12–1.16) | 1.09 (1.07–1.10) | |
SEIFA 3 n = 27 449 | 11 378 (41) | 1.19 (1.17–1.21) | 1.12 (1.10–1.14) | |
SEIFA 4 n = 27 731 | 11 671 (42) | 1.21 (1.19–1.23) | 1.16 (1.14–1.18) | |
SEIFA 5 n = 2 ,329 | 12 117 (44) | 1.25 (1.23–1.27) | 1.20 (1.18–1.22) | |
SEIFA 6 n = 30 346 | 13 343 (44) | 1.24 (1.22–1.25) | 1.21 (1.19–1.23) | |
SEIFA 7 n = 32 262 | 14 691 (46) | 1.28 (1.26–1.30) | 1.22 (1.20–1.24) | |
SEIFA 8 n = 29 811 | 13 474 (45) | 1.29 (1.27–1.31) | 1.20 (1.18–1.22) | |
SEIFA 9 n = 28 361 | 13 078 (46) | 1.30 (1.28–1.32) | 1.21 (1.19–1.23) | |
SEIFA 10 n = 27 351 | 12 406 (45) | 1.28 (1.26–1.30) | 1.24 (1.22–1.26) | |
c) Both† (IIV and dTpa) | n = 53 861/ 292 126 (18) | PR* (95% CI) | PR* (95% CI) | |
Other Australians | 37 967/207 560 (18) | ref | ref | |
First Nations | 2 450/19 414 (13) | 0.69 (0.67–0.71) | 0.81 (0.78–0.84) | |
CALD | 13 444/65 152 (21) | 1.16 (1.10–1.13) | 1.07 (1.06–1.09) | |
Age at infant birth < 20years | 1 620/11 085 (15) | ref | ref | |
20–34 years | 41 458/220 335 (19) | 1.27 (1.22–1.32) | 1.07 (1.02–1.13) | |
≥ 35 years | 10 783/60 706 (18) | 1.28 (1.23–1.34) | 1.03 (0.97–1.08) | |
No 1st trimester antenatal care | ref | ref | ||
Antenatal care in 1st trimester | 39 727/194 414 (20) | 1.30 (1.28–1.32) | 1.21 (1.18–1.23) | |
Multiparous | ref | ref | ||
Primiparous | 32 094/143 236 (22) | 1.33 (1.32–1.35) | 1.34 (1.32–1.37) | |
Other birth facility | ref | ref | ||
Public hospital birth* | 19 202/115 949 (17) | 0.63 (0.62–0.64) | 0.68 (0.66–0.69) | |
Northern Territory | 700/18 433 (4) | ref | ref | |
Queensland | 35 658/271 737 (13) | 3.40 (3.18–3.62) | 3.36 (3.14–3.58) | |
Western Australia | 17 469/151 573 (12) | 2.97 (2.78–3.17) | 2.95 (2.76–3.15) | |
Year of infant birth 2015 | 8 560/71 179 (12) | ref | ref | |
2016 | 20 129/75 854 (27) | 2.21 (2.17–2.26) | 2.20 (2.16–2.25) | |
2017 | 25 051/72 409 (35) | 2.88 (2.83–2.94) | 2.86 (2.80–2.91) | |
Not remote | ref | ref | ||
Remote/Very remote | 1 969/14 779 (13) | 0.75 (0.72–0.78) | 0.77 (0.74–0.79) | |
SEIFA 1 n = 31 925 | 4 817 (15) | ref | ref | |
SEIFA 2 n = 28 264 | 4 512 (16) | 1.07 (1.04–1.11) | 0.97 (0.94–1.01) | |
SEIFA 3 n = 27 449 | 4 774 (17) | 1.15 (1.11–1.19) | 1.01 (0.98–1.05) | |
SEIFA 4 n = 27 731 | 4 700 (17) | 1.14 (1.11–1.18) | 1.01 (0.98–1.05) | |
SEIFA 5 n = 27 329 | 5 035 (18) | 1.20 (1.17–1.24) | 1.04 (1.01–1.08) | |
SEIFA 6 n = 30 346 | 5 852 (19) | 1.26 (1.23–1.30) | 1.11 (1.07–1.15) | |
SEIFA 7 n = 32 262 | 6 467 (20) | 1.33 (1.29–1.37) | 1.12 (1.09–1.16) | |
SEIFA 8 n = 29 811 | 5 601 (19) | 1.25 (1.21–1.29) | 1.05 (1.02–1.09) | |
SEIFA 9 n = 28 361 | 6 054 (21) | 1.40 (1.36–1.45) | 1.16 (1.22–1.20) | |
SEIFA 10 n = 27 351 | 5 855 (21) | 1.44 (1.40–1.48) | 1.23 (1.19–1.27) |