Table 4. Factors associated with seasonal influenza non-vaccination among Canadian residents aged 46–64 years with at least one chronic medical condition (CMC) (N = 11,250).
| Proportion Unvaccinated among Each Response Category (95% CI) | Model 1a N = 10,551 | Model 2a N = 10,522 | Model 3a N = 10,502 | |
|---|---|---|---|---|
| aOR (95% CI) | aOR (95% CI) | aOR (95% CI) | ||
| Age (years) | ||||
| 55–64 | 0.48 (0.47, 0.49) | Ref | Ref | Ref |
| 46–54 | 0.57 (0.55, 0.59) | 1.44 (1.31, 1.58) | 1.43 (1.30, 1.57) | 1.37 (1.25, 1.51) |
| Province of Residence | ||||
| Ontario | 0.46 (0.44, 0.48) | Ref | Ref | Ref |
| Newfoundland | 0.54 (0.50, 0.57) | 1.34 (1.13, 1.58) | 1.39 (1.17, 1.64) | 1.39 (1.17, 1.65) |
| Prince Edward Island | 0.46 (0.39, 0.54) | 0.83 (0.60, 1.14) | 0.80 (0.58, 1.11) | 0.80 (0.58, 1.11) |
| Nova Scotia | 0.35 (0.32, 0.38) | 0.56 (0.47, 0.66) | 0.57 (0.48, 0.67) | 0.57 (0.48, 0.68) |
| New Brunswick | 0.49 (0.43, 0.55) | 1.03 (0.79, 1.33) | 1.05 (0.80, 1.36) | 1.09 (0.84, 1.43) |
| Quebec | 0.67 (0.65, 0.69) | 2.27 (2.00, 2.58) | 2.23 (1.96, 2.53) | 2.21 (1.95, 2.51) |
| Manitoba | 0.49 (0.46, 0.52) | 1.08 (0.93, 1.27) | 1.09 (0.93, 1.27) | 1.09 (0.93, 1.28) |
| Saskatchewan | 0.50 (0.44, 0.56) | 1.13 (0.86, 1.49) | 1.13 (0.85, 1.50) | 1.13 (0.85, 1.50) |
| Alberta | 0.43 (0.40, 0.46) | 0.84 (0.72, 0.97) | 0.84 (0.72, 0.97) | 0.84 (0.72, 0.97) |
| British Columbia | 0.49 (0.47, 0.51) | 1.09 (0.96, 1.23) | 1.10 (0.97, 1.25) | 1.12 (0.99, 1.26) |
| Sex | ||||
| Female | 0.49 (0.47, 0.50) | Ref | Ref | Ref |
| Male | 0.52 (0.51, 0.54) | 1.22 (1.12, 1.32) | 1.20 (1.10, 1.30) | 1.18 (1.09, 1.28) |
| Urbanicity | ||||
| Urban | 0.49 (0.48, 0.50) | Ref | Ref | Ref |
| Rural | 0.56 (0.54, 0.58) | 1.30 (1.16, 1.47) | 1.28 (1.13, 1.44) | 1.30 (1.15, 1.46) |
| Household Income (Canadian dollars) | ||||
| < 20000 | 0.52 (0.47, 0.56) | Ref | Ref | Ref |
| ≥20000-<50000 | 0.54 (0.52, 0.57) | 1.02 (0.83, 1.26) | 1.00 (0.81, 1.24) | 1.00 (0.81, 1.25) |
| ≥50000-<100000 | 0.51 (0.50, 0.53) | 0.90 (0.73, 1.09) | 0.87 (0.71, 1.07) | 0.88 (0.71, 1.08) |
| ≥100000-<150000 | 0.51 (0.49, 0.53) | 0.92 (0.75, 1.13) | 0.90 (0.73, 1.11) | 0.90 (0.71, 1.12) |
| ≥150000 | 0.46 (0.44, 0.48) | 0.71 (0.58, 0.88) | 0.70 (0.56, 0.86) | 0.69 (0.55, 0.87) |
| Education | ||||
| Less than secondary school graduation | 0.58 (0.53, 0.62) | Ref | Ref | Ref |
| Secondary school graduation, no post-secondary education | 0.53 (0.50, 0.56) | 0.89 (0.69, 1.14) | 0.89 (0.69, 1.14) | 0.88 (0.68, 1.13) |
| Some post-secondary education | 0.49 (0.46, 0.53) | 0.87 (0.67, 1.13) | 0.88 (0.68, 1.15) | 0.87 (0.67, 1.13) |
| Post-secondary degree/diploma | 0.50 (0.49, 0.51) | 0.77 (0.62, 0.96) | 0.88 (0.62, 0.98) | 0.78 (0.62, 0.98) |
| Race | ||||
| White | 0.50 (0.49, 0.51) | Ref | Ref | Ref |
| Non-White | 0.53 (0.49, 0.56) | 1.16 (0.98, 1.38) | 1.16 (0.98, 1.38) | 1.15 (0.96, 1.36) |
| CMC by Type | ||||
| Heart Disease | 0.47 (0.44, 0.50) | 0.77 (0.68, 0.89) | 0.90 (0.77, 1.04) | 0.91 (0.78, 1.06) |
| Respiratory Disorders | 0.45 (0.42, 0.48) | 0.76 (0.66, 0.88) | 0.87 (0.74, 1.02) | 0.84 (0.72, 0.99) |
| Kidney Disease or Failure | 0.49 (0.45, 0.54) | 0.79 (0.65, 0.98) | 0.91 (0.73, 1.12) | 0.92 (0.74, 1.14) |
| Asthma | 0.47 (0.45, 0.48) | 0.69 (0.63, 0.76) | 0.80 (0.70, 0.90) | 0.81 (0.71, 0.92) |
| Diabetes | 0.48 (0.46, 0.49) | 0.79 (0.72, 0.87) | 0.91 (0.80, 1.03) | 0.93 (0.82, 1.05) |
| Cancer | 0.48 (0.46, 0.50) | 0.82 (0.73, 0.91) | 0.98 (0.85, 1.12) | 0.98 (0.86, 1.13) |
| Other CMC | 0.49 (0.48, 0.50) | 0.74 (0.67, 0.80) | 0.86 (0.76, 0.98) | 0.87 (0.77, 0.99) |
| Number of CMC | ||||
| ≥ 2 | 0.44 (0.43, 0.46) | Ref | Ref | |
| 1 | 0.55 (0.53, 0.56) | 1.21 (1.04, 1.42) | 1.23 (1.05, 1.43) | |
| Care or Assistance Received by Type | ||||
| Professional | 0.42 (0.38, 0.47) | 0.79 (0.64, 0.96) | 0.81 (0.66, 0.99) | |
| Non-Professional | 0.45 (0.43, 0.48) | 0.92 (0.81, 1.04) | 0.93 (0.82, 1.06) | |
| Healthcare Utilization by Type | ||||
| Family Doctor Contact | 0.49 (0.48, 0.50) | 0.53 (0.45, 0.62) | 0.53 (0.45, 0.62) | |
| Specialist Contact | 0.47 (0.46, 0.48) | 0.77 (0.70, 0.84) | 0.78 (0.72, 0.85) | |
| Hospitalization History | 0.48 (0.45, 0.51) | 1.11 (0.95, 1.30) | 1.12 (0.96, 1.31) | |
| Self-Rated Health | ||||
| Excellent | 0.51 (0.49, 0.54) | Ref | ||
| Very Good | 0.52 (0.50, 0.53) | 1.06 (0.93, 1.20) | ||
| Good | 0.51 (0.49, 0.52) | 1.03 (0.89, 1.18) | ||
| Fair | 0.46 (0.43, 0.49) | 0.92 (0.77, 1.10) | ||
| Poor | 0.43 (0.37, 0.48) | 0.80 (0.60, 1.07) | ||
| Number in Household | ||||
| 0 | 0.51 (0.49, 0.54) | Ref | ||
| 1 | 0.48 (0.47, 0.50) | 0.95 (0.84, 1.08) | ||
| ≥ 2 | 0.53 (0.51, 0.55) | 1.13 (0.98, 1.29) | ||
| Exercise | ||||
| None or Seldom | 0.51 (0.50, 0.52) | Ref | ||
| Sometimes or Often | 0.49 (0.48, 0.51) | 0.95 (0.86, 1.04) | ||
| Current Smoking | ||||
| Not at All | 0.49 (0.48, 0.50) | Ref | ||
| Occasionally | 0.59 (0.52, 0.65) | 1.22 (0.92, 1.63) | ||
| Daily | 0.61 (0.57, 0.64) | 1.56 (1.33, 1.83) | ||
| Alcohol | ||||
| Never | 0.49 (0.46, 0.51) | Ref | ||
| Occasionally | 0.47 (0.45, 0.50) | 0.94 (0.80, 1.11) | ||
| Regular | 0.51 (0.50, 0.52) | 1.07 (0.93, 1.22) |
aGrey cells indicate variables that were not included in the model represented by that column.