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Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

175 questions in 21 reviews · cluster CL0065

current versions
No studies 0 · 0%Ungraded 170 · 97.1%Very low 2 · 1.1%Low 1 · 0.6%Moderate 0 · 0%High 2 · 1.1%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Intervention categories, outcome domains and clusters are a proposed key pending human validation. Clear all filters

QuestionEffectEvidenceStatus / GRADE
Older mean age (>33.4 years) vs Not applicable
Mean DMFT · Adult participants in 25 meta-regression studies · Unadjusted model
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
Meta-regression coefficient 4.32488414 studiesUngraded
Older adults (population mean age >33.4 years) vs Younger adults (population mean age <=33.4 years)
Dental caries experience (DMFT) · Adults aged 19-60 years · Younger (mean age <=33.4 years)
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
MEAN 7.31 [5.89, 8.73]7 studiesUngraded
Human Development Index (quantitative) vs Not applicable
Mean DMFT · Adult participants in 25 meta-regression studies · Unadjusted model
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
Meta-regression coefficient 20.1787825 studiesUngraded
Older adults (population mean age >33.4 years) vs Younger adults (population mean age <=33.4 years)
Association with dental caries experience (DMFT) by random-effects meta-regression · Adults aged 19-60 years · Adjusted (Model 1)
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
Meta-regression coefficient 5.248158NRUngraded
Populations with a low level of schooling (>=33.60% of the population with low schooling) vs Populations with a higher level of schooling (<33.60% of the population with low schooling)
Association with dental caries experience (DMFT) by random-effects meta-regression · Adults aged 19-60 years · Unadjusted model
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
Meta-regression coefficient -2.301079NRUngraded
Populations with a lower proportion of university-educated people (<33.78% with university level) vs Populations with a higher proportion of university-educated people (>=33.78% with university level)
Association with dental caries experience (DMFT) by random-effects meta-regression · Adults aged 19-60 years · Adjusted (Model 1)
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
Meta-regression coefficient -4.132903NRUngraded
Lower university education (<33.78% of the population) vs Not applicable
Mean DMFT · Adult participants in 25 meta-regression studies · Model 1 adjusted
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
Meta-regression coefficient -4.1329036 studiesUngraded
Populations with a low level of schooling (>=33.60% of the population with low schooling) vs Populations with a higher level of schooling (<33.60% of the population with low schooling)
Dental caries experience (DMFT) · Adults aged 19-60 years · Low schooling (>=33.60% with low schooling)
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
MEAN 9.63 [4.38, 14.89]5 studiesUngraded
Populations with a lower proportion of university-educated people (<33.78% with university level) vs Populations with a higher proportion of university-educated people (>=33.78% with university level)
Dental caries experience (DMFT) · Adults aged 19-60 years · Overall
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
MEAN 10.78 [8.77, 12.79]18 studiesUngraded
HDI (quantitative) vs Populations in countries with a higher Human Development Index (very high, HDI >=0.800)
Association with dental caries experience (DMFT) by random-effects meta-regression · Adults aged 19-60 years · Unadjusted model
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
Meta-regression coefficient 20.17878NRUngraded
Populations with a lower proportion of university-educated people (<33.78% with university level) vs Populations with a higher proportion of university-educated people (>=33.78% with university level)
Association with dental caries experience (DMFT) by random-effects meta-regression · Adults aged 19-60 years · Unadjusted model
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
Meta-regression coefficient -0.3066788NRUngraded
Low level of schooling (>33.60% of the population) vs Not applicable
Mean DMFT · Adult participants in 25 meta-regression studies · Unadjusted model
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
Meta-regression coefficient -2.30107911 studiesUngraded
Populations with a low level of schooling (>=33.60% of the population with low schooling) vs Populations with a higher level of schooling (<33.60% of the population with low schooling)
Dental caries experience (DMFT) · Adults aged 19-60 years · Overall
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
MEAN 10.87 [7.53, 14.20]11 studiesUngraded
Populations with a low level of schooling (>=33.60% of the population with low schooling) vs Populations with a higher level of schooling (<33.60% of the population with low schooling)
Association with dental caries experience (DMFT) by random-effects meta-regression · Adults aged 19-60 years · Adjusted (Model 1)
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
Meta-regression coefficient 7.205453NRUngraded
Lower university education (<33.78% of the population) vs Not applicable
Mean DMFT · Adult participants in 25 meta-regression studies · Unadjusted model
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
Meta-regression coefficient -0.306678818 studiesUngraded
HDI (quantitative) vs Populations in countries with a higher Human Development Index (very high, HDI >=0.800)
Association with dental caries experience (DMFT) by random-effects meta-regression · Adults aged 19-60 years · Adjusted (Model 2)
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
Meta-regression coefficient 6.901906NRUngraded
Human Development Index vs Not applicable
Mean DMFT · Adult participants in HDI-stratified study populations
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
Mean DMFT 11.49 [9.96, 13.03]25 studiesUngraded
Populations with a low level of schooling (>=33.60% of the population with low schooling) vs Populations with a higher level of schooling (<33.60% of the population with low schooling)
Dental caries experience (DMFT) · Adults aged 19-60 years · Higher schooling (<33.60% with low schooling)
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
MEAN 11.95 [7.26, 16.64]6 studiesUngraded
Populations in countries with a lower Human Development Index (high category, HDI <0.800) vs Populations in countries with a higher Human Development Index (very high, HDI >=0.800)
Dental caries experience (DMFT) · Adults aged 19-60 years · High HDI (<0.800)
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
MEAN 10.01 [5.34, 14.69]6 studiesUngraded
Older mean age (>33.4 years) vs Not applicable
Mean DMFT · Adult participants in 25 meta-regression studies · Model 1 adjusted
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
Meta-regression coefficient 5.2481586 studiesUngraded
Older adults (population mean age >33.4 years) vs Younger adults (population mean age <=33.4 years)
Dental caries experience (DMFT) · Adults aged 19-60 years · Older (mean age >33.4 years)
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
MEAN 11.50 [6.49, 16.51]7 studiesUngraded
Human Development Index (quantitative) vs Not applicable
Mean DMFT · Adult participants in 25 meta-regression studies · Model 2 adjusted
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
Meta-regression coefficient 6.9019067 studiesUngraded
Low level of schooling (>33.60% of the population) vs Not applicable
Mean DMFT · Adult participants in 25 meta-regression studies · Model 1 adjusted
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
Meta-regression coefficient 7.2054536 studiesUngraded
Dementia (any type or severity) vs Older people without dementia
DMFT index (mean) · Older people (aged 60 years or older) with dementia
Oral health and orofacial pain in older people with dementia: a systematic review with focus on dental hard… (2017)
no estimate extracted8 studiesUngraded
Down syndrome (trisomy 21) vs Individuals without Down syndrome (healthy controls: siblings, schoolchildren or others)
Dental caries experience (mean DMFT; permanent teeth) · Individuals of any age (no age limit; ages 1 to 84 years across studies)
Association between Dental Caries and Down Syndrome: A Systematic Review and Meta-Analysis. (2015)
SMD -0.18 [-0.35, -0.02]6 studies · 718 participantsUngraded