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Table 1 Study population characteristics

From: Sleep duration and quality trajectories during the early days of the COVID-19 pandemic: a Canadian nationally representative study

Measurement Time

Missing Data (%)

Sample Size (N)

% (n) Women

Mean Age (range)

Survey Datea (year 2020)

No. of Days to Complete the Survey

1

0

2246

49.5 (1111)

49.85 (68)

April 6 – May 6

14

2

16.4

1878

41.0 (921)

50.39 (68)

April 21 – May 11

7

3

12.2

1974

43.4 (974)

49.93 (68)

May 4 – May 25

7

4

11.6

1987

42.9 (963)

49.84 (68)

May 18 – June 10

7

5

15.9

1891

40.8 (916)

50.28 (68)

June 1 – June 23

7

6

16.5

1878

41.5 (933)

50.30 (68)

June 15 – July 13

14

  1. Note. aincludes the number of days to complete the survey