Table 1 Overview of included studies.

From: Determinants of early smartphone ownership: a research gap in the study of problematic smartphone use in children and adolescents

Study

Population & Sample

Country

Instrument

ESO determinants

Cerimoniale et al. (2023)

Children (0–12) (n = 2091) and adolescents (12–14) (n = 472) and their parents/caregivers (n = 1732)

Italy

Survey

Parental education level

Parental age

Separated parents

Multiple children

Free Internet access at home

Use of electronic devices during meals

Gerosa et al. (2024)

Adolescents (15–18) (n = 3247)

Italy

Survey

Parental education level

Child/adolescent gender

Kim et al. (2014)

University students (18–24) (n = 345)

USA

Survey

Peer pressure

Moreno et al. (2019)

Adolescents (10–14) (n = 45)

USA

Focus group

Parental perceived child/adolescent maturity/independence

Nielsen (2017)

Parents of children (6–12) (n = 4646)

USA

Survey

Parental concerns about safety and connections

Perowne & Gutman (2024)

Parents of children (9–12) (n = 11)

UK

Interview

Peer pressure

Fear of social exclusion

Parental perceived child/adolescent maturity/independence

Parental concerns about safety and connections

Parental trust in usage control tools

Vaterlaus & Tarabochia (2021)

Late adolescents (18–19) (n = 8) and their parents (48–61) (n = 8)

USA

Interview

Peer pressure

Fear of social exclusion

Parental perceived child/adolescent maturity/independence

Vaterlaus et al. (2021)

Young adults (18–25) (n = 686)

USA

Open-ended survey

Peer pressure

Fear of social exclusion