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Table 1 Results of univariate logistic regression analysis estimating the odds of pertussis and/or influenza vaccines during pregnancy – Western Australia, 2015

From: Antenatal influenza and pertussis vaccination in Western Australia: a cross-sectional survey of vaccine uptake and influencing factors

 

Adult women who gave birth to a live infant in WA, 05/04/2015–04/10/2015

Survey respondents

Percent vaccinated against influenzaa

(+/− pertussis vaccination)

Percent vaccinated against pertussisc

(+/− influenza vaccination)

Percent vaccinated against pertussis and influenzad

n (unweighted %)

n (unweighted %)

n (weighted %)

OR (95% CI)b

n (weighted %)

OR (95% CI) b

n (weighted %)

OR (95% CI)b

Total

19,866

421 (100)

255 (60.6)

 

299 (71.0)

–

229 (54.4)

–

Age group

 18-24y

3010 (15.2)

46 (10.9)

32 (69.8)

Ref

33 (72.0)

Ref

28 (61.0)

Ref

 25-29y

5713 (28.8)

109 (25.9)

61 (56.1)

0.55 (0.26–1.16)

71 (65.3)

0.73 (0.34–1.57)

55 (50.5)

0.55 (0.23–1.32)

 30-34y

7049 (35.5)

164 (38.9)

98 (59.7)

0.64 (0.32–1.31)

124 (75.4)

1.20 (0.57–2.51)

89 (54.1)

0.90 (0.38–2.14)

 35-39y

3368 (17.0)

79 (18.8)

54 (68.3)

0.94 (0.42–2.07)

57 (72.1)

1.01 (0.45–2.28)

48 (60.7)

0.95 (0.37–2.45)

  ≥ 40y

726 (3.7)

23 (5.5)

10 (43.5)

0.33 (0.12–0.95)

14 (60.9)

0.61 (0.21–1.75)

9 (39.1)

0.36 (0.10–1.21)

Residence

 Metropolitan

15,787 (79.5)

326 (77.4)

198 (60.9)

Ref

229 (70.2)

Ref

177 (54.4)

Ref

 Non-metropolitan

4079 (20.5)

95 (22.6)

57 (60.6)

0.99 (0.61–1.60)

69 (72.9)

1.14 (0.67–1.64)

52 (55.00)

1.10 (0.60–2.00)

Educational attainment

 Primary/High School

–

132 (31.3)

79 (61.4)

Ref

92 (70.3)

Ref

72 (55.6)

Ref

 TAFEe

–

98 (23.3)

59 (59.7)

0.93 (0.54–1.61)

66 (67.8)

0.89 (0.50–1.58)

52 (52.9)

0.89 (0.47–1.71)

 University Undergraduate

–

102 (24.2)

63 (61.5)

1.00 (0.58–1.72)

77 (73.9)

1.20 (0.66–2.18)

56 (54.2)

1.24 (0.63–2.46)

 University Postgraduate

–

89 (21.1)

54 (60.4)

0.96 (0.55–1.68)

64 (71.6)

1.07 (0.58–1.95)

49 (54.8)

1.04 (0.53–2.04)

Socioeconomic statusf

 Quintile 1 and 2 (Lowest)

–

57 (13.5)

36 (63.0)

Ref

42 (72.7)

Ref

35 (61.0)

Ref

 Quintile 3

–

117 (27.8)

66 (56.7)

0.77 (0.40–1.50)

72 (62.2)

0.59 (0.29–1.20)h

56 (48.6)

0.65 (0.30–1.41)

 Quintile 4

–

89 (21.2)

52 (58.4)

0.83 (0.41–1.66)

66 (73.1)

0.97 (0.45–2.10)

48 (53.44)

0.97 (0.42–2.23)

 Quintile 5 (Highest)

–

158 (37.5)

101 (64.5)

1.07 (0.56–2.03)

119 (75.0)

1.07 (0.53–2.17)

90 (57.2)

1.29 (0.60–2.77)

Chronic medical conditionsg

 Yes

–

44 (10.5)

20 (48.9)

0.58 (0.30–1.10)

23 (52.8)

0.42 (0.22–0.80) h

15 (35.9)

0.40 (0.18–0.86)h

 No

–

377 (89.5)

235 (62.3)

Ref

276 (73.0)

Ref

214 (56.8)

Ref

Antenatal care provider

 Private Obstetrician

–

128 (30.4)

86 (66.6)

1.57 (0.98–2.51)

104 (81.1)

2.42 (1.41–4.13) h

78 (60.3)

2.86 (1.51–5.42)h

 General Practitioner

–

71 (16.9)

46 (65.5)

1.49 (0.84–2.65)

53 (75.3)

1.71 (0.92–3.18)

41 (59.1)

1.91 (0.93–3.92)

 Private Practice Midwife

–

10 (2.4)

6 (67.7)

1.65 (0.44–6.14)

6 (67.7)

1.18 (0.32–4.39)

6 (67.7)

1.25 (0.33–4.70)

 Public Hospital Antenatal Clinic

–

209 (49.6)

116 (56.0)

Ref

135 (64.1)

Ref

103 (49.3)

Ref

 Other

–

3 (0.71)

1 (37.9)

0.48 (0.04–5.60)

1 (37.9)

0.34 (0.03–4.00)

1 (37.9)

0.362 (0.03–4.28)

Recommendation by healthcare provider

 Recommended pertussis only

–

37 (8.8)

10 (25.4)

1.56 (0.59–4.09)

26 (73.8)

5.34 (2.19–13.00)h

10 (25.4)

3.73 (1.23–11.35)h

 Recommended influenza only

–

44 (10.5)

21 (49.3)

4.47 (1.89–10.59)i

15 (33.3)

0.94 (0.42–2.11)

10 (22.3)

2.16 (0.78–6.03)

 Recommended pertussis and influenza vaccines

–

268 (63.7)

211 (79.4)

17.66 (8.92–34.99)i

231 (86.4)

11.96 (6.53–21.91)i

197 (74.3)

33.34 (15.15–73.38)i

 Not recommended either vaccine

–

72 (17.1)

13 (17.9)

Ref

26 (34.6)

Ref

12 (16.7)

Ref

  1. aWoman received seasonal influenza vaccine during pregnancy +/− pertussis vaccination
  2. bOdds of vaccination and corresponding 95% confidence intervals
  3. cWoman received diphtheria-tetanus-acellular pertussis vaccine during pregnancy +/− influenza vaccination
  4. dWoman received both influenza and pertussis vaccines during pregnancy
  5. eTAFE, technical and further education qualification
  6. fSocioeconomic level was determined based on postcode of residence and Socioeconomic Index for Areas (insert link to website)
  7. gChronic medical conditions included asthma, chronic heart disease, chronic lung conditions, and diabetes
  8. hp < .05
  9. ip < .001
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BMC Pregnancy and Childbirth

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