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Table 4 Multiple Linear Regression Analysis of Factors of Adherence using the Morisky-Green-Levine’s Scale Score, n = 299

From: Adherence to treatment and related factors among patients with chronic conditions in primary care: a cross-sectional study

  Multivariate Linear Regression Model
Factors Correlation Coeficient SE 95% CI p-value
Social and Economic
Age (per 10-year increment) −0.15 0.04 (−0.23 to −0.07) 0.001
Immigration Status
  Born in Spain Ref.   Ref.  
  Immigrated to Spain 0.27 0.15 (−0.02 to 0.56) 0.070
Living Status
  Living alone Ref.   Ref.  
  Living with someone − 0.18 0.11 (− 0.40 to 0.04) 0.107
Healthcare Team and System-Related
Number of Pharmacies Used for Refills 0.14 0.05 (0.04 to 0.24) 0.005
1Treatment Information Received −0.20 0.05 (− 0.30 to − 0.10) < 0.001
Condition-Related Factors
Number of Chronic Conditions −0.07 0.04 (−0.16 to 0.01) 0.077
Adjusted Morbidity Group
  AMG1 Ref.   Ref.  
  AMG2 0.11 0.14 (−0.16 to 0.39) 0.427
  AMG3 0.15 0.18 (−0.21 to 0.51) 0.412
Therapy-Related
Interfering with Activities of Daily Living
  Interfering Ref.   Ref.  
  Not-interfering 0.06 0.16 (−0.27 to 0.38) 0.736
Patient-Related
Medication Dosing Reminders
  Not using any reminder Ref.   Ref.  
  Use of alarms/phones/pillboxes 0.02 0.14 (−0.25 to 0.29) 0.878
  Association of medication with daily routines −0.17 0.13 (−0.42 to 0.09) 0.200
1Knowledge about Medication Regimen −0.17 0.05 (−0.26 to − 0.08) < 0.001
1Self-Perceived Quality of Life −0.05 0.04 (−0.14 to 0.04) 0.264
  1. Abbreviations: SE, standard error; CI, confidence interval; Ref., reference
  2. Bold values are statistically significant at p-values ≤0.05
  3. 1Introduced as Likert scale score (1–5)