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Table 2 Health care services, attitudes towards foot ulcers and strategies for footwear use in relation to adherence

From: Predictors of adherence to wearing therapeutic footwear among people with diabetes

   Univariate regression Multiple regression
Variables Mean (SD) β p-value β p-value
Health care services
 The staff were responsive to my concerns and questions (1 = Disagree to 3 = Strongly agree) † 2.5 (0.6) .111 .029 .017 .767
 I was a partner in decision making with clinic staff (1 = Disagree to 3 = Strongly agree) † 2.4 (0.6) .084 .098 −.018 .743
 I am satisfied with the follow-up of my therapeutic footwear (1 = Not satisfied at all to 5 = Very satisfied) † 3.8 (1.2) .236 <.001 .226 <.001*
Attitudes towards foot ulcers
 Lost/reduced sensation in your feet increases the risk of foot ulcerations (1 = Strongly disagree to 5 = Strongly agree) † 3.9 (1.2) .157 .001 .153 .002*
 What you do yourself is the main thing that affects whether you develop new foot ulcers (1 = Strongly disagree to 5 = Strongly agree) † 3.7 (1.2) .032 .519   
 Worried about getting new foot ulcers in the future (1 = Not at all to 5 = Very much) † 3.0 (1.4) .099 .044 .051 .327
Strategies for footwear use
 Confident I would always wear therapeutic footwear if I decided to do so (1 = Very uncertain to 4 = Very certain) † 3.1 (1.0) .403 <.001 .201 <.001*
  n (%)     
Where do you keep your therapeutic footwear? †   −.241 <.001 −.171 .001*
 Put away, e.g., in a wardrobe 26 (6.3)     
 Visible at home 384 (93.7)     
Where do you keep your conventional footwear? †   .330 <.001 −.159 .004*
 Visible at home 198 (47.1)     
 Put away, e.g., in a wardrobe 135 (32.1)     
 Do not own conventional footwear 87 (20.7)     
How do you choose between wearing therapeutic and conventional footwear? †   .383 <.001 .271 <.001*
 Decide each time 141 (42.6)     
 I always do it the same way 190 (57.4)     
Does someone usually remind you to wear your therapeutic footwear? †   −.099 .043 .689 .994
 Yes, clinic staff and/or people close to me 95 (22.9)     
 No 320 (77.1)     
  1. SD Standard deviation. † Variables with p-values < 0.10 in the univariate analyses were entered in the multiple regression analysis per domain. * p < 0.05 in the multiple regression analysis
  2. Multiple regression model for the Health care services domain, F(1,374) = 20.10, p < 0.001, R2 = 0.05; Attitudes towards foot ulcers domain, F(1,400) = 9.58, p < 0.002, R2 = 0.02; and Strategies for footwear use domain, F(4,309) = 28.98, p < 0.001, R2 = 0.28