Findings

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Evidence found and GRADE certainty

4,534 questions · 5,247 findings · 456 reviews

No studies found 1,142 · 21.8%GRADE not reported 1,503 · 28.6%Very low 1,040 · 19.8%Low 869 · 16.6%Moderate 554 · 10.6%High 139 · 2.6%

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Started toothbrushing with fluoride toothpaste before 4 years (earlier start) vs Started after 4 years (later start)

Fluorosis (percentage prevalence in permanent teeth) · Children exposed to topical fluoride when under 6 years old; fluorosis assessed in permanent teeth at 6 to 18 years

It is very uncertain whether started toothbrushing with fluoride toothpaste before 4 years… changes fluorosis (percentage prevalence in permanent teeth) compared with started after 4 years (later start) (very low certainty).

1 finding from 1 review

Older adults (population mean age >33.4 years) vs Not applicable

Dental caries · Adult participants in 25 meta-regression studies

The unadjusted meta-regression coefficient for older mean age was 4.324884.

2 findings from 1 review

Dietary counselling tailored to a Stage of Change (Transtheoretical Model) to increase fruit and vegetable intake (two counselling sessions) vs usual care

Vegetable consumption behaviour: proportion in the Action Stage of Change (versus Pre-Action) · Edentulous patients aged 45 to 80 years attending dental-student teaching clinics for replacement dentures, Newcastle Dental Hospital, UK
1 finding from 1 review

Dietary counselling tailored to a Stage of Change (Transtheoretical Model) to increase fruit and vegetable intake (two counselling sessions) vs usual care

Fruit consumption behaviour: proportion in the Action Stage of Change (versus Pre-Action) · Edentulous patients aged 45 to 80 years attending dental-student teaching clinics for replacement dentures, Newcastle Dental Hospital, UK
1 finding from 1 review

Wheat flour fortified with iron in combination with other micronutrients vs unfortified wheat flour (no micronutrients added)

Diarrhoea (three liquid stools in a single day) (only in children 2 to 11 years of age) · general population of all age groups (including pregnant women) from any country, over two years of age
1 finding from 1 review

Wheat flour fortified with iron in combination with other micronutrients vs unfortified wheat flour (no micronutrients added)

Respiratory infections (as measured by trialists) (only in children 2 to 11 years of age) · general population of all age groups (including pregnant women) from any country, over two years of age
1 finding from 1 review

Wheat flour fortified with iron in combination with other micronutrients vs unfortified wheat flour (no micronutrients added)

All‐cause death (only in children 2 to 11 years of age) · general population of all age groups (including pregnant women) from any country, over two years of age
1 finding from 1 review

iron‐fortified wheat flour with or without other micronutrients added vs fortified wheat flour with same micronutrients (but not iron)

Diarrhoea (three liquid stools in a single day) (only in children 2 to 11 years of age) · general population of all age groups (including pregnant women) from any country, over two years of age
1 finding from 1 review

iron‐fortified wheat flour with or without other micronutrients added vs fortified wheat flour with same micronutrients (but not iron)

Respiratory infections (as measured by trialists) (only in children 2 to 11 years of age) · general population of all age groups (including pregnant women) from any country, over two years of age
1 finding from 1 review

iron‐fortified wheat flour with or without other micronutrients added vs fortified wheat flour with same micronutrients (but not iron)

All‐cause death (only in children 2 to 11 years of age) · general population of all age groups (including pregnant women) from any country, over two years of age
1 finding from 1 review

iron‐fortified wheat flour with or without other micronutrients added vs fortified wheat flour with same micronutrients (but not iron)

Infection or inflammation at individual level as measured by C‐reactive protein (CRP) (only in children 2 to 11 years of age) · general population of all age groups (including pregnant women) from any country, over two years of age
1 finding from 1 review

Multiple doses of deworming drugs vs placebo

Death (between ages 1 and 6 years) · public health programmes to regularly treat all children aged 16 years or less

Multiple doses of deworming drugs showed no clear difference in mortality (between ages 1 and 6 years) compared with placebo (low certainty).

1 finding from 1 review

Intervention not reported

AIS associated with HPV16/18 or 6/11/16/18 (age 15 to 26 years) · adolescent girls and women aged 15 to 45 years who were HPV16/18 negative before vaccination

The intervention probably leads to lower AIS associated with HPV16/18 or 6/11/16/18 (age 15 to 26 years) (moderate certainty).

1 finding from 1 review

Intervention not reported

Any CIN3+ irrespective of HPV type (age 15 to 26 years) · adolescent girls and women aged 15 to 45 years regardless of HPV DNA status at baseline

The intervention probably leads to lower any CIN3+ irrespective of HPV type (age 15 to 26 years) (moderate certainty).

1 finding from 1 review