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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%