Table 2 Univariate associations with maternal pertussis vaccination behaviour (accepted/refused), COVID-19 vaccination behaviour (accepted/refused) and maternal influenza vaccination intention (low intention/high intention)
| Â | Maternal pertussis vaccination behaviour | Maternal COVID-19 vaccination behaviour | Maternal influenza vaccination intention | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|  | Acceptors (N = 1294) | Refusers (N = 67) |  | Acceptors (N = 787) | Refusers (N = 574) | Low Intention (N = 981) | High Intention (N = 380) | ||||||||
Demographic factors | n/N | % | n/N | % | Unadjusted OR (95% CI) | n/N | % | n/N | % | Unadjusted OR (95% CI) | n/N | % | n/N | % | Unadjusted OR (95% CI) |
Age | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 18–24 years  25–30 years  31–35 years  36–40 years  40 + years | 43/1294 506/1294 553/1294 169/1294 23/1294 | 3.3 39.1 42.3 13.1 1.8 | 7/67 26/67 23/67 9/67 2/67 | 10.4 38.8 34.3 13.4 3.4 | 0.26 (0.10–0.63)*** 0.81 (0.46–1.44) Ref. 0.78 (0.36–1.72) 0.48 (0.11–2.15) | 20/787 271/787 365/787 116/787 15/787 | 2.5 34.4 46.4 14.7 1.9 | 30/574 261/574 211/574 62/574 10/574 | 5.2 45.5 36.8 10.8 1.7 | 0.39 (0.21–0.70)*** 0.60 (0.47–0.76)*** Ref. 1.08 (0.76–1.54) 0.87 (0.38–1.97) | 36/981 411/981 409/981 109/981 17/981 | 3.7 41.9 41.7 11.0 1.7 | 14/380 121/380 167/380 70/380 8/380 | 3.7 31.8 43.9 18.4 2.1 | 0.95 (0.50–1.81) 0.72 (0.55–0.95)** Ref. 1.59 (1.12–2.25)** 1.15 (0.49–2.72) |
Education | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Low  Intermediate  High | 45/1294 369/1294 880/1294 | 3.5 28.5 68.0 | 12/67 26/67 29/67 | 17.9 38.8 43.3 | Ref. 3.79 (1.79–8.202*** 8.09 (3.88–16.90)*** | 26/787 173/787 588/787 | 3.3 22.0 74.7 | 31/574 222/574 321/574 | 5.4 38.7 55.9 | Ref. 0.93 (0.53–1.62) 2.18 (1.27–3.74)*** | 46/981 324/981 611/981 | 4.7 33.0 62.3 | 11/380 71/380 298/380 | 2.9 18.7 78.4 | Ref. 0.92 (0.45–1.86) 2.04 (1.04–4.00)** |
Country of birth | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Dutch  Other | 1230/1294 64/1294 | 95.1 4.9 | 56/67 11/67 | 83.6 16.4 | Ref. 0.27 (0.13–0.53)*** | 748/787 39/787 | 95.0 5.0 | 538/574 36/574 | 93.7 6.3 | Ref. 0.78 (0.49–1.24) | 934/981 47/981 | 95.2 4.8 | 352/380 28/380 | 92.6 7.4 | Ref. 1.58 (0.98–2.56) |
Personal factors | n/N | % | n/N | % | Unadjusted OR (95% CI) | n/N | % | n/N | % | Unadjusted OR (95% CI) | n/N | % | n/N | % | Unadjusted OR (95% CI) |
Pertussis vaccination | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Yes  No | - - | - - | - - | - - | - - | 773/787 14/787 | 98.2 1.8 | 521/574 53/574 | 90.8 9.2 | Ref. 0.18 (0.10–0.32)*** | 923/981 58/981 | 94.1 5.9 | 371/380 9/380 | 97.6 2.4 | Ref. 0.39 (0.19–0.79)*** |
Attitudinal factors | Mean | SD | Mean | SD | Unadjusted OR (95% CI) | Mean | SD | Mean | SD | Unadjusted OR (95% CI) | Mean | SD | Mean | SD | Unadjusted OR (95% CI) |
General beliefs | 3.88 | 0.65 | 3.10 | 0.89 | 4.60 ( 3.20–6.60)*** | 4.04 | 0.60 | 3.56 | 0.70 | 3.14 (2.60–3.79)*** | 3.69 | 0.66 | 4.23 | 0.60 | 4.07 (3.26–5.07)*** |