Self-reported sleep outcomes of included participants from the National Health and Nutrition Examination Survey, 2005–2018
| Cannabis use in past 30 days? | P value | ||
| No (n=18,597) | Yes (n=3132) | ||
| Represented no of adults in the USA | 125,275,280 | 21,142, 592 | |
| Nightly sleep duration, n (%) | |||
| <6 hours | 2537 (11.6) | 554 (15.7) | <0.001 |
| 6–9 hours | 15,358 (85.3) | 2376 (77.8) | |
| >9 hours | 702 (3.1) | 202 (6.5) | |
| Told doctor about trouble with sleep, n (%) | 4309 (25.6) | 877 (29.7) | <0.001 |
| Trouble with sleep in past 2 weeks, n (%)* | 7024 (38.0) | 1470 (47.0) | <0.001 |
| No (n=10,226) | Yes (n=1752) | ||
| Represented no of adults in the USA | 125,161,108 | 22,217,277 | |
| Daytime sleepiness (≥5 of past 30 days), n (%)† | 2288 (23.7) | 467 (26.7) | <0.01 |
All proportions displayed are weighted to represent the non-institutionalized population in the continental USA. Survey weights are adjusted by the number of years of data included in analysis.
P values reflect χ2 analysis used to test significance between groups for categorical variables.
*Defined as any score greater than 0 on Item #3 of the Patient Health Questionnaire: ‘Have you had trouble falling asleep, staying asleep, or sleeping too much over the past 2 weeks?’.
†Only respondents from the 2 year survey cycles (2005–2006, 2007–2008, 2015–2016, 2017–2018) with this variable were included in the regression model for this outcome.