Table 5.

Patient Utilization of Specialists by Education and Income, Population-Weighted Canadian Community Health Survey, 2000–2001, for Ontario, and Ontario Health Insurance Plan Claims 2002–2004

≥1 Specialist Visit vs No Visita≥5 Specialist Visit vs <5 Visitsa
Patient CharacteristicPartially Adjusted OR (95% CI)Fully Adjusted OR (95% CI)Partially Adjusted OR (95% CI)Fully Adjusted OR (95% CI)
CI=confidence interval; OR = odds ratio.
aAdjusted for sociodemographic characteristics, self-reported morbidity, and diagnosis-based morbidity.
bEducational attainment categorized as low (not completed high school), medium (high school completion and some postsecondary education), and high (university degree). Values missing for 0.7% of respondents.
cIncome defined using total household income adjusted for the number of people living in the household and categorized as low (Statistics Canada’s lowest and lower-middle income), medium (upper-middle income), and high (highest income). For a household with 2 or fewer people, income levels correspond with Canadian dollar incomes of <$30,000, $30,000-59,999, and ≥$60,000, respectively. Values missing for 9.0% of respondents.
CCHC measures
Educational attainmentb
    High1.06 (0.93–1.18)1.22 (1.07–1.37)1.04 (0.88–1.19)1.23 (1.03–1.42)
    Medium0.99 (0.87–1.12)1.12 (0.97–1.26)1.04 (0.86–1.22)1.19 (0.99–1.40)
    Low (reference)1.001.001.001.00
Incomec
    High0.98 (0.88–1.08)1.12 (0.99–1.24)0.88 (0.76–1.00)1.05 (0.90–1.20)
    Medium0.95 (0.85–1.05)1.02 (0.90–1.13)1.00 (0.86–1.13)1.12 (0.96–1.29)
    Low (reference)1.001.001.001.00
Location
    Urban1.29 (1.16–1.41)1.22 (1.10–1.34)1.22 (1.07–1.37)1.19 (1.03–1.34)
    Rural (reference)1.001.001.001.00
Age (continuous)1.04 (1.04–1.04)1.03 (1.02–1.03)1.04 (1.03–1.04)1.03 (1.02–1.03)
Sex
Female1.55 (1.42–1.67)1.21 (1.10–1.31)1.18 (1.04–1.32)1.04 (0.90–1.17)
Male (reference)1.001.001.001.00
Self-rated health
    Fair-poor1.24 (1.05–1.43)1.66 (1.37–1.95)
    Good1.12 (1.00–1.24)1.24 (1.06–1.42)
    Very good/excellent (reference)1.001.00
Chronic conditions ≥2
    Yes1.32 (1.19–1.45)1.12 (0.97–1.26)
    No (reference)1.001.00
Depression
    Yes1.08 (0.92–1.24)1.08 (0.90–1.25)
    No (reference)1.001.00
Disability
    Yes1.15 (0.98–1.33)1.15 (0.97–1.33)
    No (reference)1.001.00
Adjusted Clinical Groups
Aggregated diagnosis groups
    ≥10 (high)3.02 (2.17–3.87)2.34 (1.76–2.92)
    6–9 (medium)1.89 (1.67–2.10)1.37 (1.18–1.56)
    0–5 (low) (reference)1.001.00
Resource utilization bands
    ≥4 (very high)3.31 (2.53–4.10)2.76 (1.85–3.68)
    3 (high)2.79 (2.38–3.21)1.85 (1.36–2.33)
    2 (medium)1.71 (1.44–1.98)1.22 (0.88–1.57)
    0–1 (low) (reference)1.001.00