Randomised controlled trial of an automated, interactive telephone intervention (TLC Diabetes) to improve type 2 diabetes management: baseline findings and six-month outcomes

Table 3 Baseline and post-intervention primary outcome values between usual care and Australian TLC Diabetes arms

	Baseline n = 60	Post-intervention n = 60	Difference between groups* (95% CI, p)
HbA _1c (%)			Ratio
Usual care	8.9 (8.6-9.2)	8.7 (8.7-9.0)	0.91 (0.86-0.93, p = 0.002)
TLC Diabetes	8.7 (8.4-9.0)	7.9 (7.6-8.3)
Health-related quality of life - mental
Usual care	49.5 (47.1-50.3)	48.7 (47.1-50.3)	3.0 (0.8-5.2 p = 0.007)
TLC Diabetes	49.8 (47.5-52.0)	51.7 (50.2-53.3)
Health-related quality of life - physical
Usual care	45.4 (43.0-47.9)	45.2 (43.8-46.6)	0.4 (−1.7-2.4, p = 0.7)
TLC Diabetes	45.5 (43.0-47.9)	45.6 (44.1-47.0)

Data presented in the first two columns are geometric means (95 % CI) for HbA_1c values and arithmetic means (95 % CI) for HRQL values. The post-intervention values are adjusted for baseline values, e-GFR and creatinine.
*The result in the last column for HbA_1c is the ratio of the geometric means in the TLC Diabetes arm compared with usual care arm.
For HRQL, it is the difference in arithmetic means. All analyses were conducted based on the intention-to-treat principle and adjust for the baseline of the outcome variable, e-GFR and creatinine values.

ISSN: 1471-2458