Table 1.

Weighted prevalence of social isolation before and during the COVID-19 pandemic.

Variable	Category	%	Before (January 2020)% (95% CI)	During (August 2020)% (95% CI)	Difference
					Percentage Points (95% CI)	p
Total (100.0%)	All ages	100.0	21.2 (20.7–21.7)	27.9 (27.3–28.4)	6.7 (6.3–7.0)
	15–19 years	5.7	18.0 (16.0–19.9)	21.1 (19.0–23.2)	3.1 (1.8–4.5)	<0.001
	20–29 years	12.7	20.0 (18.6–21.4)	23.5 (22.1–25.0)	3.5 (2.6–4.5)
	30–39 years	14.2	20.6 (19.3–21.9)	26.2 (24.7–27.6)	5.6 (4.6–6.5)
	40–49 years	18.5	24.0 (22.8–25.2)	30.9 (29.5–32.2)	6.9 (6.0–7.8)
	50–59 years	16.4	23.5 (22.2–24.8)	31.3 (29.9–32.8)	7.8 (6.9–8.8)
	60–69 years	16.0	19.9 (18.7–21.2)	28.0 (26.7–29.4)	8.1 (7.1–9.1)
	70–79 years	16.5	19.7 (18.5–20.9)	27.9 (26.6–29.3)	8.2 (7.2–9.2)
Men (49.6%)	All ages	100.0	26.8 (26.0–27.5)	34.4 (33.6–35.2)	7.6 (7.0–8.2)
	15–19 years	5.8	23.5 (20.4–26.5)	26.3 (23.1–29.4)	2.8 (0.8–4.9)	<0.001
	20–29 years	13.1	25.2 (23.1–27.3)	30.0 (27.8–32.2)	4.8 (3.4–6.2)
	30–39 years	14.5	27.0 (25.0–29.1)	33.1 (31.0–35.3)	6.1 (4.7–7.6)
	40–49 years	18.8	30.4 (28.6–32.3)	38.0 (36.0–39.9)	7.6 (6.3–8.9)
	50–59 years	16.6	28.8 (26.9–30.8)	37.7 (35.6–39.8)	8.9 (7.5–10.3)
	60–69 years	15.8	25.8 (23.9–27.7)	34.7 (32.6–36.8)	8.9 (7.5–10.4)
	70–79 years	15.4	23.5 (21.6–25.4)	34.0 (31.9–36.1)	10.5 (8.9–12.1)
Women (50.4%)	All ages	100.0	15.8 (15.1–16.4)	21.4 (20.7–22.1)	5.6 (5.2–6.2)
	15–19 years	5.6	12.3 (9.9–14.7)	15.8 (13.1–18.5)	3.5 (1.6–5.4)	<0.001
	20–29 years	12.3	14.5 (12.7–16.2)	16.7 (14.9–18.5)	2.2 (1.0–3.5)
	30–39 years	13.9	14.1 (12.5–15.7)	19.1 (17.3–20.9)	5.0 (3.8–6.2)
	40–49 years	18.2	17.4 (15.9–19.0)	23.6 (21.8–25.3)	6.2 (4.9–7.4)
	50–59 years	16.3	18.2 (16.6–19.9)	25.0 (23.1–26.9)	6.8 (5.4–8.1)
	60–69 years	16.2	14.3 (12.8–15.8)	21.6 (19.8–23.4)	7.3 (6.0–8.6)
	70–79 years	17.6	16.4 (14.9–18.0)	22.7 (21.0–24.4)	6.3 (5.1–7.5)

CI: Confidence interval; COVID-19: Coronavirus disease 2019.