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Table 2 Cognitive measures (direct and belief-based): means, standard deviations, and correlations (n = 517)

From: Factors influencing the use of public dental services: An application of the Theory of Planned Behaviour

    

Correlation coefficients†

    

Direct measures

 

n

Mean

SD

INT

ATT

SN

PBC

SE

PC

Direct measures ‡

         

Behavioural Intentions (INT)

501

5.526

1.568

-

     

Attitudes (ATT)

509

6.290

0.713

0.321**

-

    

Subjective norms (SN)

511

5.665

1.348

0.284**

0.381**

-

   

Perceived behavioural control (PBC)

510

5.699

1.248

0.209**

0.228**

0.210**

-

  

   -Self-efficacy (SE)#

510

5.235

1.341

0.287**

0.285**

0.241**

0.779**

-

 

   -Perceived control (PC)#

508

6.011

1.615

0.068

0.107*

0.094*

0.787**

0.312**

-

Belief-based measures

         

Behavioural beliefs¥

514

59.224

42.940

0.196**

0.353***

    

Normative beliefs§

498

35.203

30.791

0.104*

 

0.415***

   

Control beliefs^

513

-8.653

15.330

0.017

  

0.262***

  

   -Self-efficacy beliefs¶

380

-2.763

6.561

0.054

   

0.344***

 

   -Perceived control beliefs∞

511

-6.632

13.200

-0.024

    

0.115***

  1. ***P < 0.0001, **P < 0.01, *P < 0.05
  2. † Spearman's rho
  3. ‡ 1 ≤ Mean score ≤ 7
  4. # SE and PC are 2 distinct components derived from the PBC factor
  5. ¥ -162 ≤ Behavioural belief score ≤+162
  6. § -105 ≤ Normative belief score ≤ +105
  7. ^ -72 ≤ Control belief score ≤ +72
  8. ¶ -27 ≤ Self-efficacy beliefs score ≤ +27
  9. ∞ -45 ≤ Perceived control beliefs score ≤ +45