Patient access to an electronic health record with secure messaging: impact on primary care utilization. Zhou, Y., Y., Garrido, T., Chin, H., L., Wiesenthal, A., M., & Liang, L., L. The American journal of managed care, 13(7):418-424, 2007.
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Paper Website abstract bibtex
Paper Website abstract bibtex OBJECTIVE: To determine whether patient access to secure patient-physician messaging affects annual adult primary care office visit and documented telephone contact rates. STUDY DESIGN: Retrospective cohort and matched-control studies with pre-post analysis. METHODS: The cohort study sample included 4686 adult members of Kaiser Permanente Northwest (KPNW) who had been registered KP HealthConnect Online users longer than 13 months and had used at least 1 feature. The matched-control study sample included 3201 randomly selected controls matched by age/sex, selected chronic conditions, and primary care physician to 3201 registered users. We calculated the difference in primary care office visit and documented telephone contact rates in the pre- and post-periods (defined, respectively, as 3-14 months before and 2-13 months after registration for KP HealthConnect Online). Paired t tests were used to assess significance. RESULTS: Annual office visit rates decreased by 0.23 (-9.7%) visits per member in the cohort study. Annual office visit rates for users in the matched-control study decreased by 0.25 (-10.3%); the corresponding decrease for the controls was 0.08 (-3.7%). This 0.17 (-6.7%) reduction was significant (P < .003). Annual documented telephone contact rates for users in the matched-control design increased by 0.32 (16.2%) contacts per member; the corresponding rate for the control group was 0.52 (29.9%). This 0.20 (13.7%) difference was significant (P < .01). CONCLUSION: Patient access to the secure messaging feature of KP HealthConnect Online was associated with decreased rates of primary care office visits and telephone contacts.
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title = {Patient access to an electronic health record with secure messaging: impact on primary care utilization.},
type = {article},
year = {2007},
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keywords = {Adult,Aged,Computer Security,Computerized,Efficiency,Electronic Mail,Female,Humans,Male,Managed Care Programs,Matched-Pair Analysis,Medical Records Systems,Middle Aged,Office Visits,Organizational,Patient Access to Records,Primary Health Care,Retrospective Studies,Telephone,United States,organization & administration,utilization},
pages = {418-424},
volume = {13},
websites = {https://www.scha.org/tools/files/patient-access-to-electronic-health-record-with-secure-messagingimpact-on-primary-care-utilizationajmc0707.pdf},
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abstract = {OBJECTIVE: To determine whether patient access to secure patient-physician messaging affects annual adult primary care office visit and documented telephone contact rates. STUDY DESIGN: Retrospective cohort and matched-control studies with pre-post analysis. METHODS: The cohort study sample included 4686 adult members of Kaiser Permanente Northwest (KPNW) who had been registered KP HealthConnect Online users longer than 13 months and had used at least 1 feature. The matched-control study sample included 3201 randomly selected controls matched by age/sex, selected chronic conditions, and primary care physician to 3201 registered users. We calculated the difference in primary care office visit and documented telephone contact rates in the pre- and post-periods (defined, respectively, as 3-14 months before and 2-13 months after registration for KP HealthConnect Online). Paired t tests were used to assess significance. RESULTS: Annual office visit rates decreased by 0.23 (-9.7%) visits per member in the cohort study. Annual office visit rates for users in the matched-control study decreased by 0.25 (-10.3%); the corresponding decrease for the controls was 0.08 (-3.7%). This 0.17 (-6.7%) reduction was significant (P < .003). Annual documented telephone contact rates for users in the matched-control design increased by 0.32 (16.2%) contacts per member; the corresponding rate for the control group was 0.52 (29.9%). This 0.20 (13.7%) difference was significant (P < .01). CONCLUSION: Patient access to the secure messaging feature of KP HealthConnect Online was associated with decreased rates of primary care office visits and telephone contacts.},
bibtype = {article},
author = {Zhou, Yi Y and Garrido, Terhilda and Chin, Homer L and Wiesenthal, Andrew M and Liang, Louise L},
journal = {The American journal of managed care},
number = {7}
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Annual office visit rates for users in the matched-control study decreased by 0.25 (-10.3%); the corresponding decrease for the controls was 0.08 (-3.7%). This 0.17 (-6.7%) reduction was significant (P < .003). Annual documented telephone contact rates for users in the matched-control design increased by 0.32 (16.2%) contacts per member; the corresponding rate for the control group was 0.52 (29.9%). This 0.20 (13.7%) difference was significant (P < .01). 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Annual office visit rates for users in the matched-control study decreased by 0.25 (-10.3%); the corresponding decrease for the controls was 0.08 (-3.7%). This 0.17 (-6.7%) reduction was significant (P < .003). Annual documented telephone contact rates for users in the matched-control design increased by 0.32 (16.2%) contacts per member; the corresponding rate for the control group was 0.52 (29.9%). This 0.20 (13.7%) difference was significant (P < .01). 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