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. Author manuscript; available in PMC: 2019 Dec 1.
Published in final edited form as: J Racial Ethn Health Disparities. 2018 Mar 5;5(6):1254–1263. doi: 10.1007/s40615-018-0472-3

Table 2.

Mean Values and Item-Total Correlations for Each Question in the Extended Health Belief Model Scale and the Subscales (N=1,010)

Extended Health Belief Model Mean (SD) Item-Total Correlationa
Perceived Susceptibility
 Most children get cavities. 3.6 (1.2) 0.28

 My child will probably get cavities in the next few years. 2.9 (1.2) 0.25

 Children can get cavities as soon as their first tooth comes in. 3.7 (1.4) 0.17

Perceived Severity
 Dental problems can be serious for a child. 4.6 (0.9) 0.19

 Having bad teeth affects a child’s everyday life.* 4.0 (1.4) 0.30

 Dental problems are as important as other health problems.* 4.3 (1.1) 0.35

Perceived Benefits
My child is unlikely to get cavities…
 if his/her teeth are brushed with fluoride toothpaste twice a day. 4.2 (1.1) 0.63

 if he/she goes to the dentist for regular check-ups. 4.3 (1.1) 0.67

 if I keep him/her from eating a lot of sugary foods and drinks. 4.3 (1.0) 0.57

 if an adult helps brush his/her teeth until at least age 6. 4.3 (1.1) 0.62

 if a dentist or other care provider puts fluoride varnish on his/her teeth. 4.1 (1.1) 0.62

Perceived Barriers
 It’s not easy to make sure that my child’s teeth are brushed with fluoride toothpaste twice a day.* 1.6 (0.9) 0.19

 It would be hard to take my child to the dentist for regular check-ups. 2.2 (1.3) 0.34

 It’s hard to keep my child from eating sweet foods and drinks. 2.9 (1.3) 0.22

 I have trouble making sure that my child’s teeth are brushed the last thing before bed.* 2.0 (1.2) 0.22

 It’s inconvenient to have fluoride varnish put on my child’s teeth. 2.4 (1.5) 0.16

Self-Efficacy
How sure are you that you can…
 carefully check your child’s teeth and gums every month for spots and problems? 4.3 (1.0) 0.53

 take your child to the dentist for regular check-ups? 4.7 (0.7) 0.44
 always use fluoride toothpaste when brushing your child’s teeth? 4.5 (0.9) 0.40

 make sure that your child does not eat or drink anything other than water after his/her gums and teeth are cleaned at bedtime? 4.3 (1.0) 0.55

 keep your child from eating frequent sweets (cake, candy)? 4.1 (1.1) 0.58

 keep your child from putting anything in his/her mouth that has been in someone else’s mouth? 4.4 (1.0) 0.51

 have fluoride varnish put on your child’s teeth by a dentist or other health care provider? 4.5 (0.9) 0.40

 keep your child from drinking sugary drinks like soda, pop, or Kool-Aid? 4.0 (1.1) 0.57

 avoid putting your child to bed with a bottle or sippy cup with anything other than water in it? 4.5 (1.0) 0.44

 make sure your child’s teeth are brushed twice a day? 4.7 (0.7) 0.59

 make sure your child’s teeth are brushed before going to bed? 4.7 (0.7) 0.60

 help your child brush his/her teeth until he/she is at least 6 years old? 4.4 (1.0) 0.34

Summary Scores Mean (SD) Cronbach’s Alpha

HBM - Susceptibility 3.4 (0.9) 0.39
HBM - Severity 4.3 (0.8) 0.45
HBM - Benefits 4.3 (0.8) 0.83
HBM - Barriers 2.2 (0.7) 0.43
Self-Efficacy 4.4 (0.5) 0.83
a

Standardized value.

*

The wording of these items has been revised from what is in the original survey to reflect that the items were reverse coded for analysis.