Table 3.
Logistic regression of past-year cannabis use on subjective memory complaints (SMC) in adults aged 50+.
| Unadjusted Logistic Model | β (se) | Odds ratio (95% CI) |
|---|---|---|
| Cannabis use in past year | 0.40 (0.04) | 2.21 (1.88 – 2.60) |
| No use cannabis in past year | (referent) | |
| Adjusted Model* | β (se) | Odds ratio (95% CI) |
| Age group NS | ||
| 50–64 | (referent) | -- |
| 65+ | 0.05 (0.03) | 1.10 (0.98 – 1.25) |
| Sex NS | ||
| Male | −0.05 (0.03) | 0.90 (0.78 – 1.03) |
| Female | (referent) | -- |
| Race group NS | ||
| Non-Hispanic White | 0.02 (0.04) | 1.03 (0.89 – 1.20) |
| All others | (referent) | -- |
| Domestic status A | ||
| Married | −0.13 (0.03) | 0.76 (0.68 – 0.86) |
| 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) | 1.02 (0.88 – 1.18) |
| segment not a CBSA | 0.09 (0.07) | 1.16 (0.93 – 1.44) |
| Alcohol use (past year) A | ||
| Yes | −0.22 (0.04) | 0.65 (0.56 – 0.75) |
| No | (referent) | -- |
| Tobacco use (past year) NS | ||
| Yes | 0.06 (0.03) | 1.13 (0.98 – 1.30) |
| No | (referent) | -- |
| Other substance use (past year) A | ||
| Yes | 0.21 (0.06) | 1.52 (1.21 – 1.92) |
| No | (referent) | -- |
| Physical health conditions (past year) A | ||
| Yes | 0.13 (0.03) | 1.29 (1.12 – 1.48) |
| No | (referent) | -- |
| Mental Illness (past year) A | ||
| None | (referent) | -- |
| Mild | 0.19 (0.06) | 6.05 (5.03 – 7.28) |
| Moderate/Severe | 1.42 (0.05) | 20.6 (17.8 – 23.9) |
| Cannabis use (past year) B | ||
| Yes | 0.16 (0.06) | 1.38 (1.10 – 1.72) |
| No | (referent) | -- |
Note.
A
p≤0.005;
B
p≤0.01;
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.