Table 2. Past-Month Cannabis Use Frequency Categories Among Respondents of Behavioral Risk Factor Surveillance System Cannabis Module Between Years 2016 and 2019a .
| Covariates | Respondents, weighted % (95% CI) | P valuec | ||||
|---|---|---|---|---|---|---|
| Past-month cannabis use | Frequency of past-month use among cannabis usersb | |||||
| Nonusers | Current users | Infrequent | Frequent | Daily | ||
| Total | 90.0 (89.8-90.2) | 10.0 (9.8-10.2) | 3.8 (3.6-3.8) | 2.8 (2.7-2.9) | 3.5 (3.4-3.7) | |
| Age, y | ||||||
| 18-34 | 25.3 (25.0-25.7) | 49.9 (48.7-51.1) | 48.3 (46.4-50.1) | 51.9 (49.7-54.1) | 50.1 (48.0-52.1) | <.001 |
| 35-64 | 51.1 (50.7-51.4) | 43.3 (42.1-44.4) | 44.1 (42.3-46.0) | 41.0 (38.8-43.1) | 44.2 (42.2-46.2) | |
| ≥65 | 23.6 (23.3-23.9) | 6.8 (6.3-7.3) | 7.6 (6.8-8.4) | 7.1 (6.2-8.1) | 5.7 (4.0-6.5) | |
| Sex | ||||||
| Men | 46.7 (46.4-47.1) | 61.6 (60.5-62.8) | 57.8 (56.0-59.7) | 62.2 (60.0-64.3) | 65.2 (63.3-67.2) | <.001 |
| Women | 53.3 (52.9-53.6) | 38.4 (37.2-39.5) | 42.2 (40.3-44.0) | 37.8 (35,7-40.0) | 34.8 (32.8-36.7) | |
| Race and ethnicity | ||||||
| African American | 11.2 (11.0-11.5) | 14.1 (13.1-15.0) | 12.5 (11.1-13.8) | 12.9 (11.1-14.7) | 16.8 (15.0-18.6) | <.001 |
| Asian, Native Hawaiian, or Pacific Islander | 6.1 (5.8-6.3) | 4.3 (3.7-4.9) | 6.0 (4.8-7.1) | 4.3 (3.2-5.3) | 2.7 (1.9-3.5) | |
| Hispanic | 20.4 (20.1-20.7) | 17.9 (16.9-18.8) | 19.0 (17.4-20.6) | 17.3 (15.6-19.0) | 17.2 (15.5-18.8) | |
| Native American | 0.8 (0.8-0.9) | 1.3 (1.1-1.5) | 1.0 (0.7-1.2) | 1.1 (0.8-1.4) | 1.8 (1.6-1.9) | |
| White | 59.8 (59.5-60.2) | 59.5 (58.4-60.8) | 59.0 (57.1-60.9) | 61.9 (59.6-64.1) | 58.4 (56.3-60.5) | |
| Other | 1.7 (1.6-1.7) | 2.8 (2.5-3.1) | 2.6 (2.2-3.1) | 2.5 (2.0-3.2) | 3.2 (2.7-3.7) | |
| Marital status | ||||||
| Not married | 46.9 (46.6-47.3) | 70.5 (69.5-71.6) | 68.8 (67.1-70.5) | 70.0 (68.0-72.1) | 72.7 (70.9-74.5) | <.001 |
| Married | 53.1 (52.7-53.4) | 29.5 (28.3-30.5) | 31.2 (29.5-32.3) | 30.0 (27.9-32.0) | 27.3 (25.5-29.1) | |
| Education | ||||||
| ≤High school degree | 41.1 (40.8-41.5) | 41.3 (40.1-42.5) | 35.8 (34.0-37.6) | 36.7 (34.6-38.9) | 50.7 (48.6-52.3) | <.001 |
| Some college | 31.0 (30.6-31.3) | 38.7 (37.6-39.9) | 39.1 (37.2-41.0) | 41.5 (39.3-43.8) | 36.2 (34.2-38.2) | |
| College degree | 27.9 (27.6-28.2) | 20.0 (10.2-20.7) | 25.1 (23.6-26.5) | 21.7 (20.2-23.2) | 13.2 (12.1-14.3) | |
| Employment | ||||||
| Employed | 55.7 (55.3-56.0) | 63.4 (62.6-64.8) | 63.2 (61.4-65.0) | 63.5 (61.4-65.6) | 64.3 (62.4-66.2) | <.001 |
| Unemployed | 11.5 (11.3-11.8) | 16.9 (16.1-17.7) | 14.3 (13.1-15.5) | 16.3 (14.7-17.9) | 20.1 (18.5-21.6) | |
| Student | 4.9 (4.7-5.1) | 8.8 (8.1-9.5) | 11.4 (10.1-12.7) | 9.2 (7.9-10.5) | 5.7 (4.6-6.9) | |
| Retiree | 20.8 (20.6-21.1) | 7.7 (7.2-8.3) | 8.0 (7.1-8.9) | 8.0 (7.1-9.0) | 7.2 (6.3-8.1) | |
| Homemaker | 7.0 (6.9-7.2) | 2.9 (2.5-3.3) | 3.1 (2.5-3.8) | 2.9 (2.2-3.6) | 2.7 (2.1-3.3) | |
| Annual household income, $ | ||||||
| <25 000 | 27.9 (27.6-28.3) | 30.4 (29.3-31.5) | 26.8 (25.2-28.5) | 29.1 (27.1-31.2) | 35.1 (33.1-37.2) | <.001 |
| 25 000 to <75 000 | 37.6 (37.2-37.9) | 37.3 (36.1-38.5) | 36.1 (34.2-38.0) | 36.3 (34.1-38.5) | 39.3 (37.1-41.4) | |
| ≥75 000 | 34.5 (34.2-34.9) | 32.3 (31.1-33.5) | 37.1 (35.1-39.0) | 34.5 (32.3-36.8) | 25.6 (23.5-27.6) | |
| Legality of cannabis in state of residence | ||||||
| Nonlegal | 32.5 (32.3-32.8) | 22.9 (22.0-23.9) | 22.9 (21.4-24.4) | 22.2 (20.3-24.1) | 23.6 (21.9-25.3) | <.001 |
| Legalized cannabis | ||||||
| Medical | 43.9 (43.7-44.2) | 41.7 (40.6-42.9) | 41.6 (39.8-43.5) | 40.1 (38.0-42.3) | 43.1 (41.0-45.1) | |
| Recreational | 23.5 (23.3-23.8) | 35.3 (34.6-36.4) | 35.4 (33.7-37.2) | 37.7 (35.6-39.8) | 33.3 (31.5-35.2) | |
| Smoker | ||||||
| Current | 13.0 (12.7-13.2) | 34.5 (33.3-35.6) | 26.5 (24.8-28.1) | 33.7 (31.6-35.8) | 43.5 (41.4-45.5) | <.001 |
| Former | 24.0 (23.7-24.3) | 26.1 (25.1-27.1) | 24.5 (23.0-26.1) | 26.6 (24.7-28.5) | 27.3 (25.5-29.0) | |
| Never | 63.0 (62.7-63.3) | 39.5 (38.3-40.6) | 49.0 (47.1-50.9) | 39.7 (37.6-41.9) | 29.3 (27.3-31.2) | |
| e-Cigarettes | ||||||
| Current | 2.5 (2.4-2.6) | 10.5 (9.7-11.2) | 8.5 (7.4-9.5) | 10.5 (9.1-12.0) | 12.6 (11.1-14.0) | <.001 |
| Former | 10.1 (9.9-10.3) | 30.3 (29.2-31.4) | 28.9 (27.1-30.6) | 31.5 (29.4-33.7) | 30.8 (28.9-32.6) | |
| Never | 61.3 (61.0-61.6) | 27.4 (26.4-28.4) | 32.4 (30.7-34.2) | 25.6 (23.7-27.4) | 23.5 (21.8-25.2) | |
| No e-cigarette questiond | 26.1 (25.9-26.4) | 31.9 (30.7-33.0) | 30.2 (28.5-32.0) | 32.4 (30.2-34.5) | 33.2 (31.1-35.3) | |
| Alcohol | ||||||
| Any alcohol in past 30 d | 48.5 (48.2-48.9) | 75.3 (74.3-76.3) | 78.5 (76.9-80.1) | 77.3 (75.4-79.2) | 70.4 (68.6-72.1) | <.001 |
| Any alcohol binges in past 30 d | 12.8 (12.5-13.0) | 39.7 (38.5-40.8) | 39.8 (37.9-41.6) | 43.9 (41.7-46.2) | 36.2 (34.1-38.3) | <.001 |
a
The cannabis module was administered in: Alaska, California, Colorado, Florida, Georgia, Idaho, Illinois, Maryland, Minnesota, Mississippi, Montana, North Dakota, Nebraska, New Hampshire, Ohio, Oklahoma, South Carolina, Tennessee, Utah, West Virginia, Wyoming, Guam, and Puerto Rico. Idaho, Minnesota, Tennessee, and Wyoming were the 4 states participating in the cannabis module across all 4 years of the combined 2016-2019 BRFSS data. See eTable 1 in the Supplement.
b
Infrequent use was defined as 1 to 5 days of cannabis use in the past month; frequent, as 6 to 29 days; and daily, as 30 days of use in the past month.
c
P value for the null hypothesis that cannabis use frequency does not vary by covariate of interest.
d
The 2019 survey did not include a question about e-cigarette use.