Table 4.
Logistic regression of past-month cannabis use on subjective memory complaints (SMC) in adults aged 50+.
| Unadjusted Logistic Model | β (se) | Odds ratio (95% CI) |
|---|---|---|
| Cannabis use in past month | 0.37 (0.05) | 2.08 (1.69 – 2.56) |
| No use cannabis in past month | (referent) | |
| Adjusted Model | β (se) | Odds ratio (95% CI) |
| Age group NS | ||
| 50–64 | (referent) | -- |
| 65+ | 0.04 (0.03) | 1.09 (0.97 – 1.23) |
| Sex NS | ||
| Male | −0.05 (0.03) | 0.91 (0.79 – 1.05) |
| Female | (referent) | -- |
| Race group NS | ||
| Non-Hispanic White | 0.02 (0.04) | 1.04 (0.90 – 1.20) |
| All others | (referent) | -- |
| Domestic status A | ||
| Married | −0.14 (0.03) | 0.76 (0.67 – 0.85) |
| All others | (referent) | -- |
| Education A | ||
| > 12 years | −0.27 (0.03) | 0.58 (0.51 – 0.67) |
| ≤ 12 years | (referent) | -- |
| Population Density NS | ||
| ≥ 1 million persons | (referent) | -- |
| < 1million persons | −0.04 (0.05) | 1.01 (0.87 – 1.18) |
| segment not a CBSA | 0.09 (0.07) | 1.15 (0.93 – 1.43) |
| Alcohol use (past year) A | ||
| Yes | −0.20 (0.04) | 0.66 (0.57 – 0.77) |
| No | (referent) | -- |
| Tobacco use (past year) C | ||
| Yes | 0.08 (0.04) | 1.16 (1.01 – 1.34) |
| No | (referent) | -- |
| Other substance use (past year) A | ||
| Yes | 0.23 (0.06) | 1.59 (1.27 – 1.99) |
| No | (referent) | -- |
| Physical health conditions (past year) A | ||
| Yes | 0.12 (0.03) | 1.28 (1.11 – 1.47 |
| No | (referent) | -- |
| Mental Illness (past year) A | ||
| None | (referent) | -- |
| Mild | 0.19 (0.06) | 6.11 (5.07 – 7.36) |
| Moderate/Severe | 1.42 (0.05) | 20.91 (17.99 – 24.29) |
| Cannabis use (past month) NS | ||
| Yes | 0.07 (0.06) | 1.15 (0.90 – 1.49) |
| No | (referent) | -- |
Note.
A
p≤0.005;
B
p≤0.01;
C
p≤0.05;
NS
not significant at 0.05; SMC=subjective memory complaints; CBSA=core based statistical areas; Physical health conditions include asthma, cancer, heart condition, and hypertension; Mental illness in the past year according to NSDUH designations.