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Table 3 Effect of Telephone Interventions on Outcomes for selected Chronic Conditions

From: Can the ubiquitous power of mobile phones be used to improve health outcomes in developing countries?

Condition (sample size) Outcome Measure Change in Outcome Measure Reference Comments
Diabetes (42) HbA1c 13.2% decrease (intervention) v. 8.9% decrease control) [14] Duration = 3 months
Diabetes (142) Prevalence of hypoglycemia HbA1c Decrease from 3% to 2% Decrease from 9.7 to 8.6 [20] Change in HbA1c statistically significant Duration = 1 year
Diabetes (10) HbA1c 1.2% decrease (intervention) v. 0.8% increase (control) [22] Duration = 6 months
Diabetes (185) HbA1c Decrease in 0.5 units [34] Duration = 3 months
Diabetes (100) HbA1c No change [41] Duration = 1 year
Tuberculosis (6) Adherence to medication Similar adherence outcomes between intervention and control [16] Duration = 2 years
Hypertension (267) Adherence 17.7% adherence improvement (intervention) v. 11.7% control [18] Duration = 6 months
Hypertension (104) Adherence No effect on compliance [35] Duration = 4 months
Asthma (16) Lung capacity Compliance No effect on absolute lung peak expiratory flow (PEF) and medicine compliance [39] Duration = 4 months