Table 3

Effect of Telephone Interventions on Outcomes for selected Chronic Conditions

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

Kaplan Globalization and Health 2006 2:9   doi:10.1186/1744-8603-2-9