Table 4 Quality assessment using the Newcastle Ottawa Scale (NOS).

From: The association between maternal smoking during pregnancy and dental development in offspring: a systematic review

Author

Year

Study design

Selection

Comparability

Outcomes

Quality

Lee et al.

2020

Case-control

****

**

**

Good

Ford et al.

2009

Case-control

****

**

***

Good

Al-Ani et al.

2017

Case-control

****

**

***

Good

Bagattoni et al.

2022

Case-control

****

**

***

Good

Nakagawa Kang et al.

2019

Cohort

***

**

***

Good

Franco et al.

2023

Cohort

***

**

**

Good

Bastos et al.

2007

Cohort

**

**

**

Fair

Boyer et al.

2023

Cohort

***

Ā 

***

Poor

Souza et al.

2012

Cohort

***

**

***

Good

Silva et al.

2019

Cohort

***

**

**

Good

Ntani et al.

2015

Cohort

***

**

***

Good

Ządzińska et al.

2016

Cohort

***

**

*

Poor

Aktoren et al.

2010

Cohort

****

Ā 

**

Poor

Lim et al.

2022

Cohort

***

*

*

Poor

Hanioka et al.

2018

Cross-sectional

**

**

**

Fair

Sagawa et al.

2021

Cross-sectional

**

**

**

Fair

Velló et al.

2010

Cross-sectional

***

**

**

Good

  1. Good quality: 3 or 4 stars (*) in selection domain AND 2 stars in comparability domain AND 2 or 3 stars in outcome/exposure domain. Fair quality: 2 stars in selection domain AND 1 or 2 stars in comparability domain AND 2 or 3 stars in outcome/exposure domain. Poor quality: 0 or 1 star in selection domain OR 0 stars in comparability domain OR 0 or 1 stars in outcome/exposure domain (Reproduced from Ref.18).