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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