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Table 3 Stepwise regression for HbA1c and adherence assessments

From: Comparison between adherence assessments and blood glucose monitoring measures to predict glycemic control in adults with type 1 diabetes: a cross-sectional study

Assessments R2 P value β
(a) Blood glucose monitoring assessments
 Blood glucose monitoring frequency (self-report) 0.08 0.01 −0.28
 Blood glucose monitoring frequency (diary) 0.04 0.07 −0.20
 Blood glucose monitoring frequency (meter collection/downloading) 0.16 0.0002 −0.40
Blood glucose monitoring frequency (meter collection/downloading) 0.16 0.0002 −0.40
(b) Adherence-specific assessments
 Self-report (categorical) 0.06 0.02 −0.27
 Self-report (continuous) 0.07 0.01 −0.27
 Self-administered survey (SCI-R) 0.05 0.04 −0.23
 Structured interview/survey (DSMP) 0.10 0.004 −0.32
Structured interview/survey (DSMP) 0.10 0.004 −0.32
(c) Final model 0.18
 Structured interview/survey (DSMP)   0.22 −0.15
 Blood glucose meter collection/downloading   0.007 −0.33
Blood glucose meter collection/downloading 0.16 0.0002 −0.40
  1. Italic values indicate variables selected by the stepwise regression
  2. SCI-R Self Care Inventory-Revised, DSMP Diabetes Self-Monitoring Profile, β standardized estimate