Table 2 Factors associated with influenza vaccination of index child in the past influenza season
From: Factors associated with childhood influenza vaccination in Israel: a cross-sectional evaluation
|  | Jewish population group (N = 586) | Arab population group (N = 454) | ||||||
|---|---|---|---|---|---|---|---|---|
Univariate analysis | Multivariate analysis | Univariate analysis | Multivariate analysis | |||||
OR (95% CI) | p value | Adjusted OR (95% CI) | p value | OR (95% CI) | p value | Adjusted OR (95% CI) | p value | |
Gender of index child | ||||||||
 Male | 1 | Ref | 1 | Ref | 1 | Ref |  |  |
 Female | 1.65 (1.12–2.43) | < 0.05 | 1.65 (0.99–2.76) | 0.05 | 0.75 (0.51–1.10) | 0.15 |  |  |
Age of index child | ||||||||
 1–4 | 1 | Ref | 1 | Ref | 1 | Ref | 1 | Ref |
 5–12 | 0.57 (0.37–0.88) | < 0.05 | 0.51 (0.27–0.96) | < 0.05 | 0.50 (0.33–0.78) | < 0.01 | 0.62 (0.36–1.07) | 0.07 |
 13–18 | 0.20 (0.10–0.40) | < 0.01 | 0.13 (0.04–0.37) | < 0.01 | 0.25 (0.13–0.46) | < 0.01 | 0.37 (0.17–0.83) | < 0.05 |
Gender of respondent parent | ||||||||
 Male | 1 | Ref | 1 | Ref | 1 | Ref | 1 | Ref |
 Female | 0.51 (0.35–0.75) | < 0.01 | 0.26 (0.15–0.46) | < 0.01 | 0.55 (0.38–0.82) | < 0.01 | 0.64 (0.40–1.02) | 0.06 |
Age of respondent parent | ||||||||
 18–34 | 1 | Ref | 1 | Ref | 1 | Ref | 1 | Ref |
 35–44 | 1.12 (0.68–1.83) | 0.65 | 1.18 (0.60–2.33) | 0.63 | 0.55 (0.35–0.87) | < 0.05 | 0.58 (0.32–1.05) | 0.07 |
  ≥ 45 | 0.44 (0.25–0.76) | < 0.01 | 0.81 (0.35–1.90) | 0.63 | 0.32 (0.19–0.53) | < 0.01 | 0.39 (0.19–0.82) | < 0.05 |
Respondent parent’s education | ||||||||
  ≤ 12 years | 1 | Ref |  |  | 1 | Ref | 1 | Ref |
  > 12 years | 1.06 (0.67–1.67) | 0.82 |  |  | 0.57 (0.39–0.84) | < 0.01 | 0.49 (0.31–0.78) | < 0.01 |
Respondent parent’s marital status | ||||||||
 Married / living with a spouse | 1 | Ref |  |  | 1 | Ref |  |  |
 Divorced / separated / living apart | 0.62 (0.27–1.43) | 0.26 |  |  | 2.12 (0.56–8.00) | 0.27 |  |  |
 Widower/widow | 2.19 (0.36–13.28) | 0.39 |  |  | 3.39 (0.30–37.67) | 0.32 |  |  |
 Single | 3.29 (0.46–23.60) | 0.24 |  |  | NA | NA |  |  |
Respondent parent’s country of birth | ||||||||
 Israel | 1 | Ref |  |  | 1 | Ref |  |  |
 Other | 1.29 (0.82–2.04) | 0.27 |  |  | 2.51 (0.41–15.16) | 0.32 |  |  |
Number of children in household | ||||||||
 1–2 | 1 | Ref |  |  | 1 | Ref | 1 | Ref |
 3 | 0.90 (0.57–1.45) | 0.68 |  |  | 0.62 (0.38–1.01) | 0.05 | 0.61 (0.34–1.09) | 0.09 |
  ≥ 4 | 0.89 (0.56–1.42) | 0.62 |  |  | 0.62 (0.39–0.97) | < 0.05 | 0.60 (0.33–1.08) | 0.09 |
HMO | ||||||||
 A | 1 | Ref | 1 | Ref | 1 | Ref |  |  |
 B | 0.45 (0.27–0.74) | < 0.01 | 0.44 (0.23–0.83) | < 0.05 | 1.02 (0.49–2.11) | 0.96 |  |  |
 C | 0.56 (0.32–0.95) | < 0.05 | 0.32 (0.16–0.68) | < 0.01 | 0.78 (0.44–1.40) | 0.41 |  |  |
 D | 0.73 (0.39–1.35) | 0.31 | 0.77 (0.34–1.77) | 0.54 | 1.39 (0.69–2.80) | 0.36 |  |  |
Degree of religiousness | ||||||||
 Secular | 1 | Ref |  |  | 1 | Ref |  |  |
 Traditional | 0.76 (0.44–1.29) | 0.31 |  |  | 1.19 (0.67–2.13) | 0.55 |  |  |
 Religious | 0.64 (0.34–1.19) | 0.16 |  |  | 0.93 (0.50–1.73) | 0.82 |  |  |
 Ultra-religious | 0.73 (0.44–1.21) | 0.22 |  |  | 1.43 (0.56–3.67) | 0.45 |  |  |
Housing density indexa | ||||||||
  ≤ 1.5 | 1 | Ref |  |  | 1 | Ref |  |  |
  > 1.5 | 0.89 (0.52–1.53) | 0.68 |  |  | 0.85 (0.54–1.32) | 0.46 |  |  |
Net monthly income per household | ||||||||
  < 4000 ILSb | 1 | Ref |  |  | 1 | Ref |  |  |
 4001–8000 ILS | 0.78 (0.26–2.37) | 0.66 |  |  | 0.79 (0.43–1.48) | 0.47 |  |  |
 8001–12,000 ILS | 0.98 (0.32–2.92) | 0.97 |  |  | 0.93 (0.46–1.91) | 0.85 |  |  |
 12,001–17,000 ILS | 0.97 (0.33–2.89) | 0.95 |  |  | 0.58 (0.23–1.44) | 0.24 |  |  |
  > 17,000 ILS | 1.00 (0.33–3.00) | 1.00 |  |  | 0.76 (0.33–1.79) | 0.53 |  |  |
Influenza vaccination of family members | ||||||||
 No | 1 | Ref | 1 | Ref | 1 | Ref | 1 | Ref |
 Yes | 17.55 (10.66–28.9) | < 0.01 | 27.74 (15.30–50.29) | < 0.01 | 3.86 (2.53–5.90) | < 0.01 | 4.70 (2.94–7.50) | < 0.01 |
Index child routine immunizations | ||||||||
 No | 1 | Ref |  |  | 1 | Ref |  |  |
 Yes | 3.08 (0.71–13.35) | 0.13 |  |  | NA | 0.98 |  |  |
Index child has chronic disease | ||||||||
 No | 1 | Ref |  |  | 1 | Ref |  |  |
 Yes | 1.32 (0.54–3.24) | 0.54 |  |  | 1.91 (0.72–5.06) | 0.19 |  |  |
Parent has chronic disease | ||||||||
 No | 1 | Ref |  |  | 1 | Ref |  |  |
 Yes | 0.96 (0.58–1.61) | 0.89 |  |  | 0.67 (0.41–1.12) | 0.13 |  |  |