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. 2019 Oct 25;19:750. doi: 10.1186/s12913-019-4527-x

Table 6.

Explaining dosage delivered of Refer (all or the majority of smokers motivated to quit): Logistic regression analyses, N = 868

Predictor variables Odds ratio (95% confidence interval)
Univariate Multivariate
Participant characteristics
 Age 1.00 (0.99;1.02)
 Gender (male) 0.71 (0.54;0.93)* 0.50 (0.35;0.71)***
 Profession
  GP (ref.) 1 1
  Addiction specialist 0.37 (0.19;0.74)** 0.23 (0.09;0.61)**
  Anaesthesiologist 0.10 (0.04;0.21)*** 0.24 (0.09;0.65)**
  Cardiologist 0.56 (0.29;1.06) 1.08 (0.47;2.48)
  Internist 0.45 (0.25;0.81)** 0.94 (0.42;2.14)
  Neurologist 0.39 (0.21;0.72)** 0.86 (0.37;2.01)
  Paediatrician 0.62 (0.30;1.30) 0.86 (0.37;2.02)
  Pulmonologist 3.00 (1.60;5.63)** 4.35 (2.04;9.25)***
  Other 0.26 (0.13;0.53)*** 0.49 (0.20;1.19)
  Surgeon 0.53 (0.29;0.94)* 1.52 (0.67;3.44)
  Youth specialist 0.15 (0.07;0.32)*** 0.22 (0.09;0.57)**
  Dental hygienist 0.20 (0.10;0.28)*** 0.41 (0.17;1.01)
  Dentist 0.30 (0.12;0.71)** 0.88 (0.30;2.61)
  Midwife 1.17 (0.63;2.17) 1.08 (0.44;2.63)
 Years worked 1.00 (0.99;1.01)
 SCC training 2.15 (1.59;2.92)*** 1.61 (1.02;2.56)*
 Smoking status
  Never (ref.) 1
  Ex-smoker 0.99 (0.73;1.33)
 Current 0.60 (0.32;1.13)
Psychosocial factors
 Attitude 1.23 (1.05;1.43)* 1.09 (0.86;1.39)
 Intention 1.38 (1.18;1.62)*** 1.07 (0.84;1.38)
 Knowledge 1.29 (1.14;1.46)*** 1.03 (0.85;1.24)
 Skills 1.21 (1.05;1.39)* 0.90 (0.73;1.11)
 Social support 1.44 (1.24;1.67)*** 1.35 (1.11;1.65)**
 Role identity 1.32 (1.15;1.50)*** 1.00 (0.82;1.21)
 Outcome expectations 1.12 (0.95;1.33)
 Lack of traininga 0.80 (0.71;0.90)*** 1.06 (0.88;1.26)
Guideline factors
 Agreement content 1.37 (1.10;1.71)** 0.89 (0.63;1.25)
 Guideline presence 2.43 (1.81;3.28)*** 1.29 (0.78;2.14)
 Guideline familiarity
  Unfamiliar (ref.) 1 1
  Heard of 2.47 (1.78;3.42)*** 1.81 (1.22;2.69)**
  Read 3.44 (2.46;4.82)*** 1.38 (0.77;2.50)
 Lack of guideline adaptabilitya 0.79 (0.67;0.92)** 1.00 (0.80;1.27)
 Guideline complexitya 0.83 (0.70;0.98)* 1.00 (0.77;1.30
Environmental factors
 Collaboration primary care 3.23 (2.34;4.46)*** 1.92 (1.31;2.83)**
 Collaboration secondary care 2.86 (1.91;4.27)*** 1.35 (0.83;2.18)
 Financial budget 1.94 (1.42;2.64)*** 1.86 (1.26;2.76)**
 Lack of patient reimbursementa 0.99 (0.88;1.12)
 Lack of professional rewardsa 1.00 (0.90;1.12)
 Lack of timea 0.94 (0.83;1.07)
 Task interferencea 0.84 (0.74;0.95)**
 Lack of materialsa 0.86 (0.75;0.98)* 1.12 (0.93;1.34)
 Lack of referral possibilitiesa 0.85 (0.74;0.97)* 0.85 (0.71;1.02)
Patient barriers
 Smoking sensitive subjecta 0.96 (0.85;1.08)
 Negative towards smoking cessation carea 0.94 (0.81;1.07)
 Unmotivated to quita 0.86 (0.75;0.99)* 0.96 (0.80;1.16)
 Dishonest about smokinga 0.94 (0.81;1.09)
 Impact patient-provider relationshipa 0.84 (0.72;0.99)* 0.91 (0.74;1.13)

GP general practitioner; ‘Other’ profession includes ophthalmologists, SCC smoking cessation care; abarriers to guideline implementation and provision of smoking cessation care

Multivariate model Cox & Snell R2 = 0.24, Nagelkerke R2 = 0.32, Model χ2(35) = 234.45, p < .001

* p < .05, ** p < .01, *** p < .001