9
Oral health has been described as an important feature of well-being. Therefore, abnormalities in dental conditions play an important role in the way people perceive their own oral health (1, 2). Over the last 30 years, the use of sociodental indicators to measure self-perceived oral health has been widely advocated (3–6), because when normative indicators of oral disease are used alone, they do not document the full impact of oral disorders (7–9). Evidence suggests that self-rated oral health was associated with clinical and background conditions in adults and the elderly (10–12). This relationship has not been well established in preschool children, probably because these children are unable to complete the questionnaire and provide complete information. Therefore, the parents are included as proxies (13). Parents’ perceptions of their child’s oral health could influence the oral health decisions and patterns of health care (14). It has been suggested that these perceptions could be associated with clinical and socioeconomic conditions (15–17). An American population-based study found that car- ies, the perceived need for dental cleaning and treatment, lower income, and poorer general health perceptions were associated with poorer parents’ perception of their children’s oral health (16). Community Dent Oral Epidemiol 2011; 39: 260–267 All rights reserved Ó 2010 John Wiley & Sons A/S Socioeconomic and clinical factors associated with caregivers’ perceptions of children’s oral health in Brazil Piovesan C, Marquezan M, Kramer PF, Bo ¨ necker M, Ardenghi TM. Socioeco- nomic and clinical factors associated with caregivers’ perceptions of children’s oral health in Brazil. Community Dent Oral Epidemiol 2011; 39: 260–267. Ó 2010 John Wiley & Sons A S Abstract – Objectives: We assessed how socioeconomic and clinical conditions could affect parents’ perceptions of their child’s oral health. Methods: A cross- sectional study was conducted in a sample of 455 children, aged 1–5 years, representative of Santa Maria, a southern city in Brazil. Participants were randomly selected among children attending a National Day of Children’s Vaccination. Clinical examinations provided information on the prevalence of caries, dental trauma, and occlusion. The caregivers’ perception of children’s oral health and socioeconomic status were assessed by means of a questionnaire. A Poisson regression model using robust variance (Prevalence ratio: PR; 95% CI, P £ 0.05) was performed to assess the association between the predictor variables and outcomes. Results: Parents were more likely to rate their child’s oral health as ‘poor’ if the former earned a lower income and the latter had anterior open bite and dental caries. Parents of black children with anterior open bite and dental caries were more likely to rate their child’s oral health as ‘worse than that of other children’. Conclusions: Clinical and socioeconomic characteristics are significantly associated with parents’ perceptions of their child’s oral health. Understanding the caregivers’ perceptions of children’s oral health and the factors affecting this could be useful in the planning of public health polices, in view of the inequity in the oral health pattern. Chaiana Piovesan 1 , Macela Marquezan 2 , Paulo F. Kramer 3 , Marcelo Bo ¨ necker 4 and Thiago M. Ardenghi 5 1 Department of Stomatology, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil, 2 Department of Restorative Destistry, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil, 3 Department of Paediatric Dentistry, Universidade Luterana do Brasil, Canoas, RS, Brazil, 4 Departament of Paediatric Dentistry, Universidade de Sa ˜o Paulo, Sa ˜o Paulo, SP, Brazil, 5 Department of Stomatology, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil Key words: dental services research; epidemiology; health perceptions Thiago Machado Ardenghi, Rua Cel.Niederauer 917 208, Santa Maria, RS 97.015-121, Brazil Tel.: +55 55 9998 9694 e-mail: [email protected] Submitted 9 June 2010; accepted 19 November 2010 260 doi: 10.1111/j.1600-0528.2010.00598.x

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Page 1: 20Socioeconomic and Clinical

Oral health has been described as an important

feature of well-being. Therefore, abnormalities in

dental conditions play an important role in the way

people perceive their own oral health (1, 2). Over

the last 30 years, the use of sociodental indicators

to measure self-perceived oral health has been

widely advocated (3–6), because when normative

indicators of oral disease are used alone, they

do not document the full impact of oral disorders

(7–9).

Evidence suggests that self-rated oral health was

associated with clinical and background conditions

in adults and the elderly (10–12). This relationship

has not been well established in preschool children,

probably because these children are unable to

complete the questionnaire and provide complete

information. Therefore, the parents are included as

proxies (13).

Parents’ perceptions of their child’s oral health

could influence the oral health decisions and

patterns of health care (14). It has been suggested

that these perceptions could be associated with

clinical and socioeconomic conditions (15–17). An

American population-based study found that car-

ies, the perceived need for dental cleaning and

treatment, lower income, and poorer general health

perceptions were associated with poorer parents’

perception of their children’s oral health (16).

Community Dent Oral Epidemiol 2011; 39: 260–267All rights reserved

� 2010 John Wiley & Sons A/S

Socioeconomic and clinicalfactors associated withcaregivers’ perceptions ofchildren’s oral health in BrazilPiovesan C, Marquezan M, Kramer PF, Bonecker M, Ardenghi TM. Socioeco-nomic and clinical factors associated with caregivers’ perceptions of children’soral health in Brazil. Community Dent Oral Epidemiol 2011; 39: 260–267.� 2010 John Wiley & Sons A ⁄ S

Abstract – Objectives: We assessed how socioeconomic and clinical conditionscould affect parents’ perceptions of their child’s oral health. Methods: A cross-sectional study was conducted in a sample of 455 children, aged 1–5 years,representative of Santa Maria, a southern city in Brazil. Participants wererandomly selected among children attending a National Day of Children’sVaccination. Clinical examinations provided information on the prevalence ofcaries, dental trauma, and occlusion. The caregivers’ perception of children’soral health and socioeconomic status were assessed by means of aquestionnaire. A Poisson regression model using robust variance (Prevalenceratio: PR; 95% CI, P £ 0.05) was performed to assess the association between thepredictor variables and outcomes. Results: Parents were more likely to ratetheir child’s oral health as ‘poor’ if the former earned a lower income and thelatter had anterior open bite and dental caries. Parents of black children withanterior open bite and dental caries were more likely to rate their child’s oralhealth as ‘worse than that of other children’. Conclusions: Clinical andsocioeconomic characteristics are significantly associated with parents’perceptions of their child’s oral health. Understanding the caregivers’perceptions of children’s oral health and the factors affecting this could beuseful in the planning of public health polices, in view of the inequity in the oralhealth pattern.

Chaiana Piovesan1, Macela Marquezan2,

Paulo F. Kramer3, Marcelo Bonecker4 and

Thiago M. Ardenghi5

1Department of Stomatology, Universidade

Federal de Santa Maria (UFSM), Santa Maria,

RS, Brazil, 2Department of Restorative

Destistry, Universidade Federal de Santa

Maria (UFSM), Santa Maria, RS, Brazil,3Department of Paediatric Dentistry,

Universidade Luterana do Brasil, Canoas,

RS, Brazil, 4Departament of Paediatric

Dentistry, Universidade de Sao Paulo, Sao

Paulo, SP, Brazil, 5Department of

Stomatology, Universidade Federal de Santa

Maria (UFSM), Santa Maria, RS, Brazil

Key words: dental services research;epidemiology; health perceptions

Thiago Machado Ardenghi, RuaCel.Niederauer 917 ⁄ 208, Santa Maria, RS97.015-121, BrazilTel.: +55 55 9998 9694e-mail: [email protected]

Submitted 9 June 2010;accepted 19 November 2010

260 doi: 10.1111/j.1600-0528.2010.00598.x

Page 2: 20Socioeconomic and Clinical

A theoretical explanation of the link between

socioeconomic status and oral health focuses on the

effect of psychosocial variables on individual life-

style decisions. This perspective argues that health

inequalities result from differences in the experi-

ence of psychological stress between socioeconomic

groups (18), with individuals from lower socioeco-

nomic backgrounds experiencing a higher number

of negative life effects (19), lower levels of social

support (20), and living in communities with higher

levels of antisocial behavior (21). This evidence

supports the indirect model, which proposes that

people experiencing higher levels of psychosocial

stress are more likely to make behavioral or lifestyle

choices that are damaging to health (20). However,

in most developing countries, data on caregivers’

perceptions of oral health are scarce. In Brazil,

although previous studies have assessed predictors

for self-rated oral health in adolescents and the

elderly (22–24), no study has previously addressed

the caregivers’ perceptions of children’s oral health.

An understanding of the socioeconomic and

clinical factors associated with caregivers’ percep-

tions of children’s oral health could be important

information when planning public health policies,

in view of the inequity in the oral health pattern of

the target population. Therefore, a cross-sectional

study was performed in a representative sample of

1- to 5-year-old Brazilian children, to assess the

influence of socioeconomic and clinical conditions

on caregivers’ perceptions of children’s oral health.

Methods

SampleA cross-sectional study was conducted in a repre-

sentative sample of 1- to 5-year-old children living

in the city of Santa Maria, RS, located in the south of

Brazil. The city has an estimated population of

263 403, including 27 520 children under the age of

6 years. It was estimated that a minimum sample

size of 435 children was required to achieve a level

of precision with a standard error of 5% or less. The

95% confidence interval level and an estimated

prevalence of 50% of the outcome (caregivers’ ‘poor’

perception of children’s oral health) were used to

calculate the sample size. The decision to use a

prevalence of 50% was owing to a lack of informa-

tion on the actual prevalence of the outcome.

Participants were randomly selected among

the children attending a National Day of Chil-

dren’s Vaccination. The vaccination program had

consistent uptake rates of over 97% for all the 5- to

59-month-old children living in the city. The age of

the children who participate in the National Day of

Children’s Vaccination ranges from 0 to 59 months.

A sampling quota was selected from all the

children who attended health centers in the city

of Santa Maria. Health centers were used as

sampling points because the city was administra-

tively divided into five regions, and each had

public health centers that were responsible for the

vaccination of the residents in that area. For this

study, eight health centers were cluster selected

from a total of twenty in the city.

Data collectionData were collected by means of clinical oral exam-

inations and structured interviews. In all, 8 examin-

ers and 24 support team members participated in the

study. They were previously trained and calibrated

for data collection before the survey. During the

survey, every fifth child in the vaccination queue

was invited to participate. If the parents did not wish

to participate, the next parent in the queue was

selected. To avoid a selection bias, siblings were

excluded. This random process was the same at all

the eight health centers. Children were examined in

a dental chair. Their teeth were dried and examined

under standard illumination provided by a conven-

tional operating light. Clinical examinations to

record dental caries, that is, dmft (25); dental trauma

(26); and occlusal patterns were performed.

Data on the socioeconomic status of the target

population were collected by means of a structured

questionnaire. The questionnaire presented a series

of questions regarding socioeconomic and demo-

graphic characteristics such as age, sex, mother and

father’s educational levels, race, family income, and

mother’s occupation. The educational level com-

pared those fathers and mothers who completed

8 years of formal instruction, which in Brazil corre-

sponds to primary school, with those who only

completed a lower education (<8 years of formal

education). Household income was measured in

terms of the Brazilian minimum wage, a standard

for this type of assessment, which corresponded to

approximately 280 US dollars during the period of

data gathering. Occupational status discriminated

the employed and unemployed parents. The ethnic

groups of the children were assessed according to

their mother’s self-report. The survey adopted a

classification of the ethnic groups according to the

criteria established by the agency for demographic

analysis – the Brazilian Institute of Geography and

261

Caregiver’s perception of child’s oral health

Page 3: 20Socioeconomic and Clinical

Statistics (27). According to these criteria, children

were classified as ‘black’ (black children of African

and mixed descent) and ‘white’ (children of Euro-

pean descent).

Data about the parents’ perceptions of their

child’s oral health were measured by the following

questions: (1) ‘Would you say that your child’s oral

health is 1 – excellent, 2 – good, 3 – fair, or 4 – poor?’

[This was dichotomized into good (codes 1 and 2)

and poor oral health (codes 3 and 4).] and (2) ‘How

do you describe your child’s oral health? 1 – Worse than

that of other children or 2 – Better than that of other

children’. The feasibility of the questionnaire was

previously assessed in a sample of 20 parents

during the calibration process.

AnalysesData analyses were performed using stata 9.0.

Descriptive and bivariate analyses were conducted

to provide summary statistics and a preliminary

assessment of the association of predictor variables

and outcomes. In the analyses, the following two

outcomes were considered: Prevalence of the par-

ents who rated their child’s oral health as ‘poor’ and

prevalence of the parents who rated their child’s

oral health as ‘worse than that of other children’.

A Poisson regression model using robust vari-

ance (PR; 95% CI, P £ 0.05) was performed to assess

the association between the predictor variables and

outcomes. A backward stepwise procedure was

used to include or exclude explanatory variables in

the fitting of models. Explanatory variables pre-

senting a P value £ 0.20 in the assessment of

correlation with each outcome (bivariate analyses)

were included in the fitting of the model. Explan-

atory variables were selected for the final models

only if they had a P value £ 0.05 after adjustment.

EthicsThis study observed the international statutes and

national legislation on ethics in research involving

human beings. All the children consented to

participate, and their parents (mothers or fathers)

signed a term of consent. The study protocol was

approved by the Committee of Ethics in Research

of the Federal University of Santa Maria.

Results

A total of 455 children, 53.8% boys and 46.2% girls,

were enrolled in the study. The response rate was

98% of all the invited children. Table 1 summarizes

the demographic characteristics of the sample. The

percentage of participating children was similar

across the different age groups. The children were

predominantly white, and their caregivers had a

high level of education. More than half the mothers

were unemployed, with a household income ‡3

Brazilian minimum wage (BMW). The majority of

the children had adequate sealing lip, and only

34% of the sample had anterior open bite. Preva-

lence of dental caries and dental trauma were

23.5% and 31.5%, respectively.

Prevalence of the parents who rated their child’s

oral health as ‘poor’ were associated with age,

household income, mother’s level of education,

Table 1. Sociodemographic and clinical characteristics ofthe sample

Variable n* (%)

Sociodemographic characteristicsChild’s gender 455

Male 245 53.8Female 210 46.2

Child’s age (years) 454£2 215 43.43 120 26.4‡4 119 26.2

Child’s ethnicity 455White 345 75.8Black 110 24.2

Household income 444<3 BMW 203 45.7‡3 BMW 241 54.3

Mother’s schooling 444<8 years 129 29.1‡8 years 315 70.9

Father’s schooling 414<8 years 122 29.5‡8 years 292 70.5

Mother’s occupation 447Unemployed 240 53.7Employed 207 46.3

Father’s occupation 414Unemployed 32 7.7Employed 382 92.2

Clinical StatusSealing Lip 435

Adequate 342 78.6Inadequate 93 21.4

Anterior Open Bite 406No 268 66.0Yes 138 34.0

Dental caries 455dmf = 0 348 76.5dmf > 0 107 23.5

Dental trauma 441Without 302 68.5With 139 31.5

BMW, Brazilian minimum wage.*Values lower than 455 due missing data.

262

Piovesan et al.

Page 4: 20Socioeconomic and Clinical

presence of anterior open bite, and dental caries

(Table 2). However, in the multiple regression

analyses, only clinical variables and household

income remained associated with the outcome.

Parents were more likely to report their child’s oral

health as ‘poor’ when the former had a low

household income and the latter had anterior open

bite and dental caries.

Table 3 expresses the prevalence of the parents

who rated their child’s oral health as ‘worse than

that of other children’ and the associated factors. In

the final model of the multiple regression analyses,

the parents of black children with anterior open

bite and dental caries were more likely to rate their

child’s oral health as ‘worse than that of other

children’.

Discussion

The primary purpose of this study is to present

results that could help the dental community

understand the factors associated with parents’

perceptions of their child’s oral health. According

to previous authors (15–17), these perceptions are

influenced by clinical and socioeconomic condi-

tions. It is a well-established fact that people from

low socioeconomic backgrounds are more likely to

Table 2. Prevalence of parents that rated their child’s oral health as ‘poor’ and associated factors

Variables n+ (%)

Parent’s Perception of child’s oral health (‘poor’)

PRcrude (95% CI) P PRadjusted (95% CI) P

Sociodemographic characteristicsChild’s gender

Boys 41 (16.7) 1.00Girls 36 (17.2) 1.02 (0.68–1.54) 0.89

Child’s age (years)£2 25 (11.7) 1.00 – **3 23 (19.2) 1.64 (0.97–1.76) 0.06‡4 29 (24.4) 2.08 (1.28–3.39) <0.01

Child’s ethnicityWhite 54 (15.7) 1.00 **Black 23 (20.9) 1.33 (0.85–2.06) 0.20

Household income‡3 BMW 28 (11.6) 1.00 1.00<3 BMW 46 (22.8) 1.96 (1.27–3.01) <0.01 1.84 (1.19–2.84) 0.01

Mother’s schooling‡8 years 43 (13.5) 1.00 **<8 years 32 (25.) 1.83 (1.21–2.75) 0.01

Father’s schooling‡8 years 44 (15.1) 1.00<8 years 21 (17.2) 1.13 (0.70–1.83) 0.59

Mother’s occupationEmployed 36 (17.5) 1.00Unemployed 39 (16.2) 0.92 (0.61–1.40) 0.73

Father’s occupationEmployed 61 (16.0) 1.00Unemployed 4 (12.5) 0.78 (0.30–2.01) 0.60

Clinical statusSealing Lip

Adequate 56 (16.4) 1.00Inadequate 18 (19.3) 1.17 (0.72–1.90) 0.50

Anterior Open BiteWithout 38 (14.2) 1.00 1.00With 33 (23.9) 1.68 (1.10–2.55) 0.01 1.71 (1.13–2.59) 0.01

Dental cariesWithout 38 (10.9) 1.00 1.00With 39 (36.8) 3.36 (2.27–4.98) <0.01 2.52 (1.67–3.81) 0.00

Dental TraumaWithout 44 (14.6) 1.00 **With 30 (21.6) 1.47 (0.97–2.24) 0.06

BMW, Brazilian minimum wage; n+, number of parents that rated their child’s oral health as ‘poor’.**Variables not included in the final multiple model after the adjustment.

263

Caregiver’s perception of child’s oral health

Page 5: 20Socioeconomic and Clinical

be exposed to various risk factors that affect the

self-perception of their overall health and well-

being (28–30). For oral health, the same pattern has

been demonstrated (31–34). However, most of the

evidence comes from studies conducted on adult or

adolescent populations. Therefore, the aim of this

study was to assess this association in preschool

children, using their parents’ perceptions as a

proxy. In Brazil, this is the first study that reports

the factors associated with caregivers’ perceptions

of children’s oral health.

According to Table 2, parents with lower house-

hold incomes were more likely to rate their child’s

oral health as ‘poor’ than their counterparts. This

confirms the findings that people who have a lower

socioeconomic status were more likely to rate their

oral health as poor, when compared to those who

have a higher status (12, 23). These social dispar-

ities remained strongly associated with the out-

comes even after the control of other variables.

Previous studies have suggested that socioeco-

nomic inequalities are associated with different

health outcomes (35–38). Such inequities could

affect both the child’s and family’s well-being,

resulting in a negative impact on daily perfor-

mance and the quality of life owing to the under-

lying influence of psychosocial, environmental, and

material deprivation (17, 39).

Table 3. Prevalence of parents that rated their child’s oral health as ‘‘worst than other children’’ and associated factors

Variables n+ (%)

Parent’s Perception of child’s oral health (‘worst than other children’)

PRcrude (95% CI) P PRadjusted (95% CI) P

Sociodemographic characteristicsChild’s gender

Boys 12 (5.0) 1.00Girls 8 (3.9) 0.77 (0.32–1.86) 0.57

Child’s age (years)£2 6 (2.9) 1.00 – **3 7 (5.9) 2.05 (0.71–5.98) 0.18‡4 7 (5.9) 2.03 (0.70–5.93) 0.19

Child’s ethnicityWhite 8 (2.4) 1.00 – 1.00Black 12 (11.1) 4.69 (1.96–11.19) <0.01 3.61 (1.51–8.66) 0.01

Household income‡3 BMW 10 (4.3) 1.00<3 BMW 10 (5.0) 1.17 (0.49–2.76) 0.71

Mother’s schooling‡8 years 13 (4.2) 1.00<8 years 6 (4.7) 1.10 (0.42–2.85) 0.83

Father’s schooling‡8 years 9 (3.2) 10<8 years 4 (3.3) 1.04 (0.32–3.32) 0.94

Mother’s occupationEmployed 13 (6.4) 1.00 **Unemployed 6 (2.5) 0.39 (0.15–1.03) 0.05

Father’s occupationEmployed 13 (3.4) 1.00Unemployed 2 (6.4) 1.85 (0.43–7.87) 0.40

Clinical statusSealing Lip

Adequate 11 (3.3) 1.00 **Inadequate 8 (8.8) 2.67 (1.10–6.46) 0.03

Anterior Open BiteWithout 7 (2.7) 1.00 1.00With 11 (7.8) 2.97 (1.17–7.50) 0.02 2.76 (1.14–6.69) 0.02

Dental cariesWithout 7 (2.0) 1.00 1.00With 13 (12.1) 5.88 (2.40–14.38) <0.01 4.39 (1.76–10.95) <0.01

Dental TraumaWithout 12 (4.0) 1.00With 7 (5.1) 1.25 (0.50–3.12) 0.62

BMW, Brazilian minimum wage; n+, number of parents that rated their child’s oral health as ‘worst than other children’.**Variables not included in the final multiple model after the adjustment.

264

Piovesan et al.

Page 6: 20Socioeconomic and Clinical

It was also found that caregivers’ perceptions of

children’s oral health were associated with clinical

variables (Table 2). Children with dental caries and

anterior open bite were more likely to have their

oral health rated as ‘poor’ when compared with

their counterparts.

Our findings confirmed the relationships re-

ported in previous studies between caregivers’

perceptions of children’s oral health and dental

caries (15, 16). It has been demonstrated that the

presence of untreated dental caries in the children

is associated with the parents’ perception that their

child’s oral health is poorer, irrespective of their

socioeconomic status (40, 41). For instance, in a

previous study (15), the caregiver’s perceptions

were significantly associated with the children’s

mean number of ‘cavitated’ carious lesions. The

authors found that from among those who

reported their children’s oral health status as being

‘poor’, the mean number of untreated ‘cavitated’

lesions was approximately 81 times higher than

that of the ‘excellent’ group (15). Children with

caries cavities are more likely to experience dental

pain and chewing difficulties. They are also more

likely to have been worried or upset about their

oral health status. This may influence the parent’s

perceptions of their child’s oral health (15, 16).

The image of satisfaction expressed by parents

with regard to their child could also explain the

association between anterior open bite and the

outcome (42). Previous investigations suggested

that malocclusion had a significant impact on the

oral health–related quality of life (14, 34, 43). The

primary impact of malocclusion on the quality of

life has been reported in the emotional and social

well-being domains, which comprise issues related

to esthetic components. This suggests that the most

significant impact of malocclusion on the quality of

life is because of the psychosocial features rather

than oral or functional problems (34, 44).

The prevalence of the parents who rated their

child’s oral health as ‘worse than that of the other

children’ was associated with ethnic and other

clinical variables (Table 3). Studies with the aim

of assessing the impact of race ⁄ ethnicity on care-

givers’ perceptions of children’s oral health in

preschool children are scarce. This influence is

complex and appears to be directly related to

biologic, socioeconomic, behavioral, and psychoso-

cial factors (45). The historical exclusion to which

certain groups have been exposed may

explain their predisposition to rate their oral health

as worse than that of their peers. It has been

demonstrated that children from racial ⁄ ethnic

minorities have higher levels of dental disease

(38). Dietrich et al. (46) found significant racial ⁄ eth-

nic disparities in US parent’s perceptions of the

oral health of their children. They found that the

parents of both Hispanic and non-Hispanic black

children rated their children’s oral health as being

worse-off than that of white children. The results of

the present study are consistent with those of

previous studies that found parents from minority

groups and those with greater poverty levels more

likely to rate their children’s oral health as ‘poor’

(16, 47, 48). Findings from previous studies suggest

that there is an association between race and

socioeconomic status. Socioeconomic factors can

interact with social characteristics, such as

race ⁄ ethnicity, to produce different health effects

across groups (49–51). One could argue that the

effect of race on the parents’ perceptions is depen-

dent on the socioeconomic status. However, the

impact of deprivation on minority ethnic groups

remained strongly associated with the outcome

even after the adjustment for confounders.

Although the role of socioeconomic and clinical

factors on the perceptions of parents with regard to

their child’s oral health are important from a public

health perspective, the results presented here must

be considered with caution.

The present study has two primary limitations

that could affect the interpretation of the results.

First, this study followed a cross-sectional design,

which prevents a hypothesis of causality and

temporal relations between the outcome and pre-

dictor variables. Studies using a longitudinal

design could provide a better understanding of

the factors influencing the caregivers’ perceptions

of children’s oral health. Second, one could argue

that the authors did not use a validated question-

naire to measure the children’s oral health–related

quality of life (COHRQoL). A few instruments used

for measuring COHRQoL in preschool children,

which include Parental Caregiver Perception, are

presently available (52–54). Moreover, no validated

instruments were available for Brazilian preschool

children when the present study was conducted.

However, the lack of information regarding

COHRQoL should not be considered a great bias

of this study, because the primary objective of the

latter was to investigate the predictors for parents’

perceptions of their child’s oral health using a

feasible instrument that the respondents would

find easy to manage. Furthermore, studies have

shown that the single-item perceived oral health

265

Caregiver’s perception of child’s oral health

Page 7: 20Socioeconomic and Clinical

rating is related to other self-reported measures of

oral health, such as multi-item indicators (55).

Thus, a single-item rating of perceived oral health

is particularly appropriate to obtain information

from children’s parents.

The parents’ perspectives are different from

those of the children. Depending on the type of

information sought in the questionnaire, the

reports of parents tend to be more or less accurate

than those of the children. It has been demon-

strated that parents are better able to assess the

areas related to function and physical symptoms

than those related to emotional and social functions

(14). However, very young children are unable to

complete the questionnaire by themselves. There-

fore, the use of proxy judgments regarding chil-

dren’s oral health should be considered a feasible

option to assess the children’s sociodental indica-

tors. Nevertheless, parents maintain accurate

assessments of their children’s oral health status,

which could result in accurate information for the

allocation of resources for dental health services

(16).

This study has resulted in new information from

a clinical and public health perspective. A repre-

sentative sample of preschool children in Brazil

was used, obtained by a random selection process

at different sample centers around the city. This

random process avoided a bias that might occur if,

for example, the sample were collected in a clinical

setting. Nevertheless, such a process provides

sound conclusions about the research question for

all preschoolers living in Santa Maria.

The present study suggests that parents’ percep-

tions of their child’s oral health are strongly

influenced by clinical and socioeconomic condi-

tions. Studies on the predictors of these perceptions

are important in health planning by the health

police and the promotion of oral health for the

target population. This is properly described when

considering that clinical measurements of oral

disease have a limited view of the children’s needs

(7, 9). It has been proposed that the planning of a

preventive strategy should take into account the

patients’ perceptions of needs. The perception of

health may reflect the expectations of oral health

relative to a reference groups. Ethnic and socioeco-

nomic differences may have an important influence

on the parents’ perceptions of their child’s oral

health. The findings that parents from ethnic and

socioeconomic minority groups currently have

more pessimistic views of their children’s oral

health may have important implications on the

health policy. Investment in such programs must

include components that determine the perceived

needs of the individuals, rather than a mere

straightforward attempt to combat dental disease.

Therefore, the results presented here, regarding the

caregivers’ perceptions of children’s oral health,

could be used to assess the needs, prioritize the

care, and evaluate the outcomes of treatment

strategies and initiatives in health care.

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