Table 1.
Summary of included studies
| Authors (year) | Country | Design | Caregiver sample size | Caregiver relation to child | Mean age of caregivers M (SD) | Age of children (years) | Measures tool |
| Carona et al (2013)25 | Portugal | Cross-sectional study | 93 | Mothers (83.8%) | 42.34 (5.72) | 8–18 | BM |
| Bella et al (2011)26 | Brazil | Cross-sectional study | 38 | Mothers (–) | 33.3 (7.7) | 4–11 | BI |
| Whittingham et al (2013)27 | Australia | Correlational survey study | 94 | Mothers (90.4%) | – | 2–12 | DPC burden |
| Farajzadeh et al (2021)20 | Iran | Cross-sectional study | 160 | Female (84.4%) | 35.47 (6.59) | 2–14 | CDS |
| Boztepe et al (2019)14 | Turkey | Cross-sectional study | 69 | Mothers (100%) | 34.6 (7.3) | 1–18 | ZBI |
| Omole et al (2019)21 | Nigeria | Cross-sectional study | 209 | Female (91.9%) | 34.6 (9.2) | 1–12 | CDS |
| Terathongkum et al (2020)8 | Thailand | Correlational research | 75 | Female (88.0%) | – | 0–18 | VQ burden |
| Farajzadeh et al (2020)22 | Iran | Cross-sectional study | 203 | Mothers (100%) | 34.48 (6.74) | 4–14 | CDS |
| Wijesinghe et al (2015)23 | Sri Lanka | Cross-sectional study | 375 | Mothers (97%) | 32.4 (7.2) | 1–12 | CDS |
| Barutcu et al (2021)15 | Turkey | Cross-sectional study | 109 | Mothers (98.2%) | 38.53 (9.62) | 1–18 | ZBI |
| Ozkan et al (2018)16 | Turkey | Cross-sectional study | 120 | Mothers (100%) | – | 2–18 | ZBI |
| Gugała et al (2021)24 | Poland | Cross-sectional study | 190 | Female (72.6%) | 40.6 (9.1) | 2–18 | CBS |
| Marrón et al (2013)17 | Spain | Cross-sectional study | 62 | Mothers (88.7%) | 41.98 (5.64) | 1–17 | ZBI |
| Albayrak et al (2019)12 | Turkey | Cross-sectional study | 101 | Mothers (100%) | 34.93 (8.7) | 0–18 | ZBI |
| Santos et al (2012)18 | Brazil | Cross-sectional study | 21 | Female (100%) | 31 (–) | 1–12 | ZBI |
| Moriwaki et al (2022)19 | Japan | Cross-sectional study | 1190 | Mothers (100%) | 37.97 (5.28) | 1–12 | ZBI |
BI, The Burden Interview; BM, The Revised Burden Measure; CBS, Caregiver Burden Scale; CDS, Caregiver Difficulties Scale; DPC Burden, Daily Parenting Tasks Checklist–Parenting Burden; VQ burden, Thai version Viriyaprasart’s questionnaire about burden of care; ZBI, Zarit Burden Interview.