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. 2013 Oct 23;15(10):e228. doi: 10.2196/jmir.2738

Table 5.

Logistic regression of email users’ attitudes as a function of age, education level, insurance type, family income, and race.

Covariate (n) Agreement

OR (95% CI) Adjusteda OR (95% CI)
More providers should offer email (171)


Caregiver age 1.05 (1.00-1.09) 1.00 (0.94-1.08)

Completed > high school 3.45 (1.54-7.72) 2.28 (0.88-5.91)

Medicaid insurance 0.47 (0.22-1.02) 0.75 (0.30-1.9)

Income ≤ US $30,000 0.17 (0.07-0.43) 0.26 (0.09-0.74)

African-American race 0.40 (0.19-0.85) 0.34 (0.14-0.82)
Email would increase contact with provider (170)


Caregiver age 1.02 (0.98-1.06) 1.02 (0.96-1.09)

Completed > high school 1.92 (0.92-3.99) 1.33 (0.56-3.17)

Medicaid insurance 0.64 (0.30-1.35) 0.73 (0.31-1.72)

Income ≤ US $30,000 0.43 (0.20-0.92) 0.59 (0.24-1.45)

African-American race 0.38 (0.18-0.79) 0.41 (0.19-0.91)
Email would distance us from provider (171)


Caregiver age 0.95 (0.89-1.01) 0.95 (0.87-1.05)

Completed > high school 0.40 (0.15-1.12) 0.49 (0.13-1.82)

Medicaid insurance 2.16 (0.79-5.9) 1.96 (0.56-6.91)

Income ≤ US $30,000 3.65 (1.15-11.51) 1.51 (0.39-5.88)

African-American race 1.53 (0.59-3.98) 1.40 (0.46-4.27)
Email would improve communication with provider (170)


Caregiver age 1.03 (0.99-1.07) 1.05 (0.99-1.12)

Completed > high school 1.82 (0.91-3.63) 1.37 (0.59-3.20)

Medicaid insurance 0.83 (0.41-1.68) 1.10 (0.48-2.52)

Income ≤ US $30,000 0.48 (0.24-0.99) 0.57 (0.24-1.38)

African-American race 0.45 (0.23-0.90) 0.49 (0.23-1.04)
Email with provider would be satisfying (171)


Caregiver age 1.01 (0.97-1.05) 1.00 (0.95-1.07)

Completed > high school 2.34 (1.12-4.88) 1.67 (0.68-4.12)

Medicaid insurance 0.55 (0.26-1.17) 0.79 (0.33-1.91)

Income ≤ $30,000 0.21 (0.09-0.49) 0.25 (0.09-0.66)

African-American race 0.31 (0.15-0.65) 0.32 (0.14-0.75)
Email would be easy way to make appointment (170)


Caregiver age 1.02 (0.98-1.06) 0.99 (0.94-1.06)

Completed > high school 1.78 (0.86-3.65) 1.90 (0.79-4.58)

Medicaid insurance 0.91 (0.44-1.90) 1.39 (0.59-3.29)

Income ≤ US $30,000 0.47 (0.23-0.99) 0.53 (0.21-1.33)

African-American race 0.41 (0.20-0.85) 0.40 (0.18-0.88)
Email hackers are a worry (170)


Caregiver age 0.97 (0.94-1.01) 0.98 (0.93-1.04)

Completed > high school 0.53 (0.28-1.01) 0.83 (0.38-1.81)

Medicaid insurance 1.78 (0.92-3.44) 1.35 (0.62-2.95)

Income ≤ US $30,000 3.06 (1.56-6.02) 2.21 (0.97-5.02)

African-American race 1.60 (0.85-3.02) 1.34 (0.65-2.73)

aAdjusted for all other covariates in a multiple logistic regression model.