The impact of assistive devices on community-dwelling older adults and their informal caregivers: a systematic review

Table 2 GRADE assessment for research question 2

Certainty assessment							Certainty	Importance
№ of studies	Study design	Risk of bias	Inconsistency	Indirectness	Imprecision	Other considerations	Certainty	Importance
2	observational studies	not serious	not serious	not serious	serious^a	none	⨁⨁⨁◯ Moderate	CRITICAL

^aOne study had a large sample size (n = 2638), but consisted of unbalanced exposure (n = 2199, 83.4%) versus non-exposure groups (n = 169, 6.41%) [54]. Although the other study had a large sample size, the number of exposed versus unexposed participants was unclear [53]

ISSN: 1471-2318