| Factor | Positive intention N (%) | OR (95% CI) | Model 1 Adjusted OR*(95% CI) | Model 2 Adjusted OR†(95% CI) |
| Age of parent (years) | | | | | > 25 | 86 (62.3%) | 1.0 | 1.0 | 1.0 | < 25 | 5 (45.5%) | 0.5 (0.1, 1.7) | 0.3 (0.1, 1.3) | 0.3 (0.1, 1.3) | Sex of parent | | | | | Male | 18 (58.1%) | 1.0 | 1.0 | 1.0 | Female | 73 (61.9%) | 1.2 (0.5, 2.6) | 1.7 (0.7, 4.0) | 1.7 (0.7, 4.1) | Smoking status of parent | | | | | Never smoker | 57 (59.4%) | 1.0 | 1.0 | 1.0 | Ex-smoker | 17 (58.6%) | 1.0 (0.4, 2.3) | 1.4 (0.5, 3.7) | 1.5 (0.5, 3.9) | Current smoker | 17 (70.8%) | 1.7 (0.6, 4.4) | 2.3 (0.8, 6.5) | 2.0 (0.7, 5.8) | Education of main earner | | | | | Primary or less | 14 (73.7%) | 1.0 | — | — | Secondary or higher | 77 (59.2%) | 0.5 (0.2, 1.5) | — | — | Ethnicity | | | | | White | 36 (52.2%) | 1.0 | 1.0 | 1.0 | Non-white | 54 (68.4%) | 2.0 (1.0, 3.9) | 2.4 (1.1, 5.0) | 2.5 (1.2, 5.5) | Parent vaccinated against swine flu | | | | | No | 74 (58.3%) | 1.0 | — | — | Yes | 17 (77.3%) | 2.4 (0.8, 7.0) | — | — | Child has asthma | | | | | No | 77 (57.9%) | 1.0 | 1.0 | 1.0 | Yes | 14 (87.5%) | 5.1 (1.1, 23.3) | 6.6 (1.4, 32.1) | 4.5 (0.8, 24.7) | Child ever received seasonal influenza vaccine | | | | | No | 79 (58.1%) | 1.0 | — | 1.0 | Yes | 12 (92.3%) | 8.7 (1.1, 68.5) | — | 6.2 (0.7, 58.0) |
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*Model adjusted for age, sex, smoking status, ethnicity, and asthma.
†Model adjusted for age, sex, smoking status, ethnicity, asthma, and receipt of seasonal influenza vaccine.
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