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Table 4 Percentage of variance (R2) in intention, behavioral simulation, and behavior explained by theories

From: Explaining clinical behaviors using multiple theoretical models

  Dependent variable Percentage of variance in DV explained by theory and constructs predicting behavior
TPB SCT II LT CSSRM K
Taking Dental Radiographs (DRa) Intention 28*** 39*** 28*** 43*** 3 4**
Behavioral simulation 16*** 9*** 10*** 9*** 3 0
Behavior 13*** 7** 11*** 8*** 0 0
I, PBC(i), PBC(d) SE, RP AP AC
Performing Dental Restorations (DRe) Intention 27.9*** 21.4*** 24.5*** 24.5*** 18.8 0
Behavioral simulation 5.3** 13.1*** 3.7 5.9* 0 0
Behavior 1.1 0 0 0 0 5** K
Placing Fissure Sealants (FS) Intention 30*** 25***   58*** 1 0
Behavioral simulation 25*** 28*** 7** 30*** 2 0
Intention 30.2*** 28.9***   42.6*** 27.2*** 2.3**
Managing URTI (URTI) Behavioral simulation 26.7*** 25.9*** 6.2** 24*** 16 4.5***
Behavior 3.3* 4.9** 2.4 6.3*** H 2.8 0
I, PBC(i), PBC(d) RP, OE
Intention 25*** 21.5***   26.3*** 11.3*** 2.3**
Managing Back Pain (LBP) Behavioral simulation 11.6*** 12.1*** 1.5* 8.1*** 3.6 0.5
Behavior 0.4** 0.2 0 0.4 0 0
  Min Med Max Min Med Max Min Med Max Min Med Max   
Intention$ 25 28 30.2 21.4 25 39     24.5 42.6 58   
LBP DRa URTI DRe FS DRa     DRe URTI FS   
Behavioral simulation 5.3 16 26.7 9 13.1 28 1.5 6.2 10 5.9 9 30   
DRE DRa URTI DRa DRe FS LBP URTI DRa DRe DRa FS   
Behavior$$ 1.1 3.3 13 0 4.9 7 0 2.4 11 0 6.3 8   
DRe URTI DRa DRe URTI DRa DRe URTI DRa DRe URTI DRa   
  1. *p < 0.05, **p < 0.01, ***p < 0.001.
  2. TPB Theory of Planned Behavior, SCT Social Cognitive Theory, II Implementation Intentions, LT Learning Theory, CSSRM Common Sense Self Regulation Model, K Knowledge.
  3. Constructs (with a statistically significant beta weight): I Intention, PBC Perceived Behavioral Control (I indirect or d direct), SE self efficacy, RP risk perception, OE outcome expectancies, AP action planning, H habit, K knowledge.
  4. $ Prediction of intention by Implementation Intention not reported as II is a post-intentional construct.
  5. $$ Back Pain not included as variance measured with McFadden’s R squared; Fissure Sealants not included due to problems measuring behavior.