Table 2.

Prevalence of loneliness in the visual impairment population and in the general population

Age categories	VI population (n = 736)a		General population (n = 14,884)a
	TILS		Single question		DCG
	%	95% CI	%	95% CI	%	95% CI
Moderate loneliness
18–35 years	31.2	24.1–39.1	19.6	18.4–20.8	16.5	15.3–17.6
36–50 years	30.1	23.6–37.2	15.8	14.8–16.9	16.1	15.1–17.2
51–65 years	23.0	17.4–29.5	17.3	16.1–18.5	18.5	17.3–19.7
≥ 66 years	31.1	24.6–38.1	22.4	20.6–24.2	23.3	21.5–25.1
Total sample	28.7	25.4–32.1	18.2	17.6–18.9	17.9	17.2–18.5
Severe loneliness
18–35 years	21.0	14.9–28.2	2.1	1.7–2.6	4.9	4.3–5.6
36–50 years	27.9	20.7–33.9	2.2	1.8–2.7	6.1	5.5–6.9
51–65 years	19.0	13.8–25.1	3.2	2.7–3.8	6.0	5.3–6.8
≥ 66 years	12.4	8.1–17.9	3.8	3.0–4.7	7.2	6.1–8.4
Total sample	19.7	16.9–22.8	2.7	2.4–3.0	5.9	5.5–6.3

Notes. VI visual impairment, CIs confidence intervals, TILS Three Item Loneliness Scale, DCG De Jong Gierveld Loneliness Scale

^aThe single question had 26 non-responses and the DCG questionnaire had 122 non-responses