TABLE 2—
Past-Month Frequency and Quantity Comparisons of AI-SUPERPFP Populations to US Samples, by Age and Gender: Collaborative Alcohol-Related Longitudinal Project9
| Southwest Indians | Northern Plains Indians | US Population | |||||||
| Amount | SE | Significant differencea | Amount | SE | Significant differencea | Amount | SE | Significant differencea | |
| Frequency, drinking days in past mo | |||||||||
| Males 15–19 | 3.5 | 1.3 | 4.7 | 1.1 | U | 1.4 | 0.1 | N | |
| Males 20–24 | 6.1 | 1.2 | U | 4.0 | 0.4 | U | 9.6 | 0.1 | S,N |
| Males 25–29 | 3.6 | 0.6 | U | 4.5 | 0.5 | U | 10.2 | 0.5 | S,N |
| Males 30–34 | 4.2 | 0.9 | U | 5.9 | 1.0 | 7.3 | 0.6 | S | |
| Males 35–39 | 4.5 | 0.9 | U | 6.5 | 0.8 | U | 13.7 | 0.9 | S,N |
| Males 40–49 | 4.5 | 0.8 | N,U | 8.6 | 1.0 | S,U | 17.6 | 0.7 | S,N |
| Males 50–57b | 5.3 | 1.4 | U | 8.8 | 1.7 | U | 18.3 | 0.9 | S,N |
| Females 15–19 | 3.9 | 1.3 | 3.5 | 0.9 | 4.6 | 0.2 | |||
| Females 20–24 | 2.4 | 0.7 | U | 3.2 | 0.4 | U | 5.9 | 0.1 | S,N |
| Females 25–29 | 3.3 | 0.6 | 4.2 | 0.8 | 4.2 | 0.4 | |||
| Females 30–34 | 2.6 | 0.6 | 4.6 | 0.8 | 2.8 | 0.4 | |||
| Females 35–39 | 2.4 | 0.9 | 4.7 | 0.8 | 4.2 | 0.8 | |||
| Females 40–49 | 4.2 | 1.1 | 4.0 | 0.5 | U | 7.9 | 0.8 | N | |
| Females 50–57b | 2.0 | 0.5 | U | 4.3 | 0.9 | 7.0 | 0.9 | S | |
| Quantity, no. of drinks per drinking day in past mo | |||||||||
| Males 15–19 | 6.4 | 1.2 | U | 9.9 | 1.0 | U | 2.8 | 0.1 | S,N |
| Males 20–24 | 9.9 | 1.2 | U | 10.8 | 0.9 | U | 3.0 | 0.1 | S,N |
| Males 25–29 | 5.5 | 0.5 | N,U | 10.4 | 0.9 | S,U | 3.3 | 0.1 | S,N |
| Males 30–34 | 6.9 | 1.0 | U | 8.7 | 0.8 | U | 3.9 | 0.2 | S,N |
| Males 35–39 | 10.0 | 1.4 | U | 10.3 | 0.9 | U | 3.6 | 0.1 | S,N |
| Males 40–49 | 6.6 | 1.0 | U | 10.4 | 0.9 | U | 3.5 | 0.1 | S,N |
| Males 50–57b | 4.9 | 0.6 | N | 10.0 | 1.0 | S,U | 3.4 | 0.1 | N |
| Females 15–19 | 5.6 | 1.8 | 7.4 | 0.9 | U | 2.1 | 0.1 | N | |
| Females 20–24 | 5.5 | 1.4 | U | 8.4 | 0.9 | U | 2.0 | 0.0 | S,N |
| Females 25–29 | 6.4 | 1.5 | U | 10.1 | 1.3 | U | 2.2 | 0.1 | S,N |
| Females 30–34 | 7.7 | 1.4 | U | 8.2 | 0.8 | U | 3.1 | 0.3 | S,N |
| Females 35–39 | 4.7 | 0.8 | N,U | 9.8 | 0.9 | S,U | 2.7 | 0.2 | S,N |
| Females 40–49 | 3.0 | 0.4 | N | 8.8 | 0.9 | S,U | 2.8 | 0.2 | N |
| Females 50–57b | 4.7 | 1.2 | 7.9 | 1.2 | U | 2.3 | 0.2 | N | |
Note. AI-SUPERPFP = American Indian Service Utilization, Psychiatric Epidemiology, Risk and Protective Factors Project.
aSignificant differences from other groups (P < .05) are indicated by 1-letter abbreviations for those groups: S = Southwest Indians; N = Northern Plains Indians; U = US population.
bAge range in The Collaborative Alcohol-Related Longitudinal Project was 50–59 years.