Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

269 questions · 282 findings · 133 reviews

No studies found 40 · 14.2%GRADE not reported 69 · 24.5%Very low 60 · 21.3%Low 69 · 24.5%Moderate 37 · 13.1%High 7 · 2.5%

Younger children's age (3-5 years) vs Older children (>5 years)

Poor oral health-related quality of life (OHRQoL) · Children aged 3-12 years

Children aged 3 years had higher odds of poor OHRQoL than older children (OR 2.00, 95% CI 1.42-2.57; 2 studies; ungraded).

2 findings from 1 review

All exposure-OHRQoL estimates pooled for publication-bias correction (meta-trim sensitivity); specific exposure set not defined in source vs Not specified

Poor oral health-related quality of life (OHRQoL) · Children aged 3-12 years

A trim-and-fill sensitivity analysis pooling every exposure estimate gave an overall OR of 0.17 (95% CI 0.13-0.21) after correcting for significant publication bias (Fig. 13); this combined estimate spans heterogeneous exposures and is a publication-bias sensitivity result (ungraded).

1 finding from 1 review

Periodontal disease (present) vs Individuals without periodontal disease (by LOA)

Poor oral health-related quality of life (OHRQoL) · Children aged 3-12 years

Periodontal disease was associated with higher odds of poor OHRQoL (OR 1.15, 95% CI 1.12-1.18; 3 studies; no heterogeneity; ungraded).

1 finding from 1 review

Higher dental caries experience vs Caries-free controls

Poor oral health-related quality of life (OHRQoL) · Children aged 3-12 years

Higher dental caries experience was associated with substantially higher odds of poor OHRQoL (OR 1.66, 95% CI 1.43-1.88; 6 studies; high heterogeneity I2=83.5%; ungraded).

1 finding from 1 review

Low maternal education (<=6 years of schooling) vs Higher maternal education (>6 years)

Poor oral health-related quality of life (OHRQoL) · Children aged 3-12 years

Lower maternal education was associated with poor OHRQoL (OR 1.12, 95% CI 1.00-1.23; 4 studies; high heterogeneity; CI lower bound at the null; ungraded).

1 finding from 1 review

Orthodontic treatment need vs No orthodontic treatment need

Poor oral health-related quality of life (OHRQoL) · Children aged 3-12 years

Orthodontic treatment need was associated with modestly higher odds of poor OHRQoL (OR 1.13, 95% CI 1.07-1.18; 3 studies; ungraded).

1 finding from 1 review

Intervention not reported

Quality of life (QOLIE‐89) (1‐ to 3‐month periods) · patients with refractory medial temporal lobe epilepsy
1 finding from 1 review