Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

47 questions · 50 findings · 14 reviews

No studies found 1 · 2%GRADE not reported 16 · 32%Very low 10 · 20%Low 10 · 20%Moderate 6 · 12%High 7 · 14%

Intervention not reported

Sexually Transmitted Diseases · Male and female adolescents aged 10 years to 19 years

The intervention showed no clear difference in sexually Transmitted Diseases (low certainty).

1 finding from 1 review

Intervention not reported

Initiation of sexual intercourse (mixed gender) · Male and female adolescents aged 10 years to 9 years

The intervention showed no clear difference in initiation of sexual intercourse (mixed gender) (moderate certainty).

1 finding from 1 review

Intervention not reported

Use of birth control methods (condom use in last sex) · Male and female adolescents aged 10 years to 9 years

The intervention showed no clear difference in use of birth control methods (condom use in last sex) (moderate certainty).

1 finding from 1 review

Intervention not reported

Sexually Transmitted Diseases · Male and female adolescents aged 10 years to 9 years

It is very uncertain whether the intervention changes sexually Transmitted Diseases (very low certainty).

1 finding from 1 review

Intervention not reported

Use of birth control methods (condom use in last sex) · Male and female adolescents aged 10 years to 19 years

The intervention showed no clear difference in use of birth control methods (condom use in last sex) (high certainty).

1 finding from 1 review

Intervention not reported

Sexually Transmitted Diseases · Male and female adolescents aged 10 years to 19 years

The intervention showed no clear difference in sexually Transmitted Diseases (high certainty).

1 finding from 1 review

Intervention not reported

Use of birth control methods (condom use at last sex) · Male and female adolescents aged 10 years to 19 years

The intervention probably leads to higher use of birth control methods (condom use at last sex) (moderate certainty).

1 finding from 1 review

Intervention not reported

Initiation of sexual intercourse (mixed gender) · Male and female adolescents aged 10 years to 19 years

The intervention showed no clear difference in initiation of sexual intercourse (mixed gender) (low certainty).

1 finding from 1 review

Intervention not reported

Initiation of sexual intercourse (mixed gender) · Male and female adolescents aged 10 years to 19 years

It is very uncertain whether the intervention changes initiation of sexual intercourse (mixed gender) (very low certainty).

1 finding from 1 review

Intervention not reported

Use of birth control methods (condom use at last sex) · Male and female adolescents aged 10 years to 19 years

The intervention showed no clear difference in use of birth control methods (condom use at last sex) (moderate certainty).

1 finding from 1 review

Anorexia nervosa (as exposure; diagnosed by DSM-III/III-R/IV/V) vs Healthy controls

Percentage of bleeding on probing (BOP) · Patients with anorexia nervosa aged >=12 years (mean age ~18.4; entirely female in reported data), general community-dwelling population

Anorexia nervosa is associated with significantly increased bleeding on probing versus healthy controls (MD 16.57%, 95% CI 12.89 to 20.25; low certainty).

1 finding from 1 review

Anorexia nervosa (as exposure; diagnosed by DSM-III/III-R/IV/V) vs Healthy controls

Salivary flow rate (stimulated) · Patients with anorexia nervosa aged >=12 years (mean age ~18.4; entirely female in reported data), general community-dwelling population

Stimulated salivary flow rate was significantly lower in anorexia nervosa patients than controls, but only unstimulated flow was meta-analyzed; this outcome is ungraded.

1 finding from 1 review