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. 2018 Dec 5;20(12):e11034. doi: 10.2196/11034

Table 3.

Weighted negative binomial regression predicting provider-facing and independent eHealth activities.

Variable Provider-facing eHealth Independent eHealth


Incidence rate ratios (SE) P value Incidence rate ratios (SE) P value
Care coordination problem 1.18 (0.14) .16 1.15 (0.06) .01
Patient centeredness (reference: High)




Medium 0.94 (0.10) .58 1.14 (0.06) .01

Low 0.92 (0.13) .57 1.16 (0.07) .01
Race/ethnicity (reference: Non-Hispanic white)




Hispanic 0.98 (0.16) .90 1.03 (0.08) .67

Non-Hispanic African-American 0.84 (0.14) .29 1.01 (0.05) .91

Non-Hispanic Asian 1.14 (0.27) .58 1.23 (0.09) .01

Other 1.01 (0.23) .95 1.15 (0.13) .22

Missing 1.18 (0.31) .53 1.24 (0.27) .33
Gender (reference: Male)




Female 1.22 (0.15) .12 1.16 (0.06) .004

Missing 0.92 (0.38) .85 1.31 (0.29) .22
Age (reference: 18-34 years)




35-49 years 1.32 (0.22) .09 0.95 (0.07) .47

50-64 years 1.17 (0.19) .35 0.77 (0.06) .001

65-74 years 1.06 (0.18) .74 0.65 (0.06) <.001

≥75 years 0.98 (0.22) .91 0.43 (0.05) <.001

Missing 1.01 (0.43) .98 0.46 (0.14) .01
Education (reference: Less than high school graduate)




High school graduate 1.31 (0.39) .36 1.12 (0.23) .57

Some college 1.72 (0.55) .09 1.31 (0.27) .20

Bachelor’s degree 2.28 (0.73) .01 1.44 (0.29) .08

Postbaccalaureate Degree 2.14 (0.71) .03 1.38 (0.28) .12

Missing 0.85 (0.41) .74 1.01 (0.41) .98
Income (USD; reference: $0-$34,9999)




$35000-$99,9999 1.39 (0.31) .14 1.14 (0.06) .02

≥$100,000 1.59 (0.37) .05 1.21 (0.08) .009

Missing 0.93 (1.01) .94 0.96 (0.54) .94
General health (reference: Poor)




Fair 0.98 (0.57) .97 1.29 (0.31) .28

Good 0.78 (0.46) .68 1.30 (0.33) .31

Very good 0.92 (0.54) .89 1.34 (0.33) .23

Excellent 0.81 (0.47) .72 1.37 (0.34) .21

Missing 0.36 (0.19) .06 1.35 (0.44) .37
Use Internet 2.70 (0.87) <.001 2.41 (0.39) <.001
Use Internet at home (reference: Not Applicable)



Never 2.15 (1.01) .11 1.27 (0.22) .17

Sometimes 2.29 (0.84) .03 1.48 (0.17) .001

Daily 2.59 (0.92) .01 1.55 (0.17) <.001

Missing 1.44 (0.72) .47 1.38 (0.24) .07

Constant 0.11 (0.10) .11 0.71 (0.22) .15