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Table 4 Summary of the bivariate analysis with demographic characteristics

From: What do Australian health consumers believe about commercial advertisements and testimonials? a survey on health service advertising

Question

Spearman Correlation Coefficient

Age

Education level

Gender

Q1

Practitioners who use the title “Dr” are only able to do so because they have greater levels of knowledge, skill and professionalism in their practices

−0.04

− 0.04

0.02

Q2

There are strict rules in place that govern who is able to use the title “Dr”

0.12**

0.00

0.02

Q3

I feel confident in my abilities to assess the legitimacy of claims made by health advertising

−0.04

0.07**

0.00

Q4

I feel confident that the general public are able to assess the legitimacy of claims made by health advertising

−0.13**

− 0.05*

− 0.03

Q5

Testimonials and reviews about health services are helpful for me to make decisions about health services

−0.22**

0.04

0.06*

Q6

I feel the advertising of health services shouldn’t need to be regulated to a greater extent than other types of products or services because health professionals are trustworthy

−0.17**

− 0.03

− 0.06*

Q7

Health advertising is regulated at an effective level to prevent misleading and deceptive claims

−0.11**

− 0.04

− 0.02

Q8

Advertising health services based on price (for example – “no gap”) is degrading to the service and presents poorly to the public

−0.24**

0.04

−0.07**

Q9

Health advertising should distinguish between services that primarily improve health and services which promote cosmetic improvements

0.12**

0.05*

−0.02

Q10

Health advertising helps me to understand the costs of my treatment

−0.15**

0.01

0.02

Q11

Health advertising helps to accurately inform the public about available health services

−0.12**

− 0.04

0.06*

Q12

I sometimes feel confused by how relevant advertising for some health services is to my own health needs

−0.08**

0.02

−0.03

Q13

The public should not rely on online reviews and testimonials for health services in the same way they might for other products and services (ie hotels and restaurants) because health is more important

0.17**

−0.05

−.065*

Q14

Word of mouth recommendations from someone you know is more reliable than online reviews and testimonials

0.05*

−0.01

0.01

Q15

Preferred providers are chosen by healthfunds and insurers because they are the best providers

−0.20**

− 0.03

− 0.02

Q16

Preferred providers are chosen by healthfunds and insurers because they have agreed to provide care at a more competitive price

−0.06*

0.07**

−0.01

Q17

I feel confident in my abilities to spot a review about a health service that was written by a person who was actually a patient of the service

−0.28**

0.08**

−0.03

Q18

Qualifications should not be displayed by practitioners unless they are directly relevant to the health services that they offer

0.00

0.01

−0.09**

Q19

Special offers from health services are helpful to me as they save me money

−0.21**

0.08**

0.04

Q20

Health comparison websites are a helpful and trustworthy source of information

−0.21**

0.05*

0.01

Q21

I feel confident that I can tell the difference between advertisements that promote scientifically proven treatments and advertisements which promote treatments that have not been scientifically proven

−0.13**

0.11**

−0.07**

  1. Likert scale; 1 = Strongly disagree, 2 = Somewhat disagree, 3 = neither agree nor disagree, 4 = somewhat agree, 5 = strongly agree. A positive correlation with age means when age increases the agreement increases and a positive correlation with education level means the agreement increases with higher education level (Less than Year 12 or equivalent = 1, Year 12 or equivalent (HSC/Leaving certificate) = 2, Vocational Qualification = 3, Associate Diploma = 4, Undergraduate Diploma = 5, Bachelor degree (including honours) = 6, Masters degree = 7, Postgraduate Diploma = 8, Postgraduate Diploma (includes graduate certificate) = 9, Doctorate = 10). For gender, a positive correlation means females agree more than males and vice a versa. ** Correlation is significant at the 0.01 level; * Correlation is significant at the 0.05 level