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Table 2 HbA1c Meta-Analysis Subgroup Analyses

From: The effect of diabetes self-management education on HbA1c and quality of life in African-Americans: a systematic review and meta-analysis

Variable

No. of Studies

Mean HbA1c Reduction

95% Confidence Interval

Cochran Q; P Value

I 2

Culturally tailored DSME

 Yes

7

−.07

[−.41,0.27]

84.73, <.001

93%

 No

1

−.20

[−.78,.38]

N/A

N/A

DSME curriculum delivery

 Individual

3

.12

[−.81,1.06]

36.33, <.001

94%

 Group

2

−.35

[−1.53,.08]

5.65, .02

82%

 Combination

3

−.18

[−.57,.21]

28.98, <.001

93%

Intervention contact hours

  < 10

2

−.13

[−.62,.35]

9.36, .002

89%

  ≥ 10

6

−.15

[−.73,.44]

58.69, <.001

91%

DSME provider type

 Single-type

2

.02

[−1.89,1.92]

17.37, <.001

94%

 Multiple

6

−.17

[−.42,.08]

33.12, <.001

85%

Attrition rate

  < 20%

5

−.17

[−.44,.11]

33.05, <.001

88%

  ≥ 20%

3

−.03

[−1.17,1.10]

24.03, <.001

92%