Table 2.
Results from Age-Period-Cohort Analysis of Past Year Marijuana Use: Unexponentiated Coefficients by Race/Ethnicity, 1985–2009 (95% Confidence Intervals in Parentheses), continues
| Variable | White (n=485,182) | Black (n= 112,243) | Hispanic† (n= 129,036) |
|---|---|---|---|
| Cohort | |||
| 1925–29 | −0.661 (−1.96 – 0.633) | −1.05 (−2.61 – 0.513) | -- |
| 1930–34 | −2.03** (−2.92 – −1.14) | −0.57 (−1.45 – 0.311) | −0.616 (−2.06 – 0.825) |
| 1935–39 | −0.716* (−1.35 – −0.084) | −0.339 (−0.957 – 0.278) | −0.018 (−0.806 – 0.77) |
| 1940–44 | −0.161 (−0.569 – 0.247) | −0.248 (−0.77 – 0.274) | −1.33** (−2.26 – −0.391) |
| 1945–49 | 0.068 (−0.232 – 0.368) | −0.0617 (−0.46 – 0.337) | −0.222 (−0.81 – 0.365) |
| 1950–54 | 0.546** (0.297 – 0.795) | 0.225 (−0.108 – 0.558) | 0.236 (−0.167 – 0.64) |
| 1955–59 | 0.806** (0.607 – 1.01) | 0.494** (0.235 – 0.753) | 0.195 (−0.128 – 0.518) |
| 1960–64 | 0.711** (0.56 – 0.862) | 0.41** (0.211 – 0.609) | 0.204 (−0.0399 – 0.448) |
| 1965–69 | 0.492** (0.389 – 0.596) | 0.143* (0.00191 – 0.284) | 0.0963 (−0.0803 – 0.273) |
| 1970–74 | 0.319** (0.258 – 0.379) | 0.0898 (0.0000719 – 0.18) | −0.00225 (−0.121 – 0.117) |
| 1975–79 | 0.212** (0.171 – 0.253) | 0.157** (0.087 – 0.226) | 0.118** (0.0357 – 0.201) |
| 1980–84 | 0.298** (0.228 – 0.368) | 0.3** (0.201 – 0.4) | 0.387** (0.281 – 0.493) |
| 1985–89 | 0.192** (0.077 – 0.307) | 0.27** (0.114 – 0.425) | 0.491** (0.329 – 0.654) |
| 1990–94 | −0.0751 (−0.242 – 0.0914) | 0.181 (−0.0488 – 0.41) | 0.456** (0.209 – 0.702) |
| Period | |||
| 1985–89 | 0.0479 (−0.0678 – 0.164) | 0.193* (0.0421 – 0.345) | 0.376** (0.206 – 0.546) |
| 1990–94 | −0.214** (−0.276 – −0.152) | −0.11* (−0.198 – −0.0218) | 0.0873 (−0.0109 – 0.186) |
| 1995–99 | −0.195** (−0.233 – −0.157) | −0.163** (−0.22 – −0.105) | −0.189** (−0.261 – −0.118) |
| 2000–04 | 0.1** (0.0446 – 0.155) | −0.0495 (−0.128 – 0.029) | −0.17** (−0.258 – −0.0821) |
| 2005–09 | 0.261** (0.16 – 0.361) | 0.129 (−0.00781 – 0.265) | −0.104 (−0.26 – 0.0522) |
| Age | |||
| 15–19 | 1.59** (1.37 – 1.8) | 0.907** (0.653 – 1.16) | 1.26** (1.01 – 1.51) |
| 20–24 | 1.55** (1.39 – 1.71) | 1.1** (0.904 – 1.29) | 1.05** (0.865 – 1.24) |
| 25–29 | 0.906** (0.787 – 1.02) | 0.755** (0.609 – 0.9) | 0.597** (0.455 – 0.74) |
| 30–34 | 0.38** (0.299 – 0.461) | 0.407** (0.294 – 0.519) | 0.241** (0.112 – 0.369) |
| 35–39 | 0.0464 (−0.0278 – 0.121) | 0.164* (0.0386 – 0.29) | −0.165* (−0.329 – −0.00149) |
| 40–44 | −0.323** (−0.407 – −0.239) | −0.122 (−0.271 – 0.027) | −0.416** (−0.625 – −0.207) |
| 45–49 | −0.565** (−0.687 – −0.443) | −0.427** (−0.622 – −0.232) | −0.473** (−0.746 – −0.2) |
| 50–54 | −0.96** (−1.13 – −0.793) | −0.805** (−1.07 – −0.541) | −1.18** (−1.7 – −0.666) |
| 55–59 | −1.1** (−1.31 – −0.884) | −0.876** (−1.23 – −0.523) | −0.912** (−1.35 – −0.472) |
| 60–64 | −1.52** (−1.8 – −1.25) | −1.1** (−1.53 – −0.675) | -- |
| Constant | −2.74** (−2.89 – −2.59) | −2.42** (−2.59 – −2.25) | −2.81** (−3.00 – −2.63) |
*
p<.05;
**
p<.01
†
Analysis excludes Hispanics age 60–64 (and as a consequence not enough information is available to estimate effects for the 1925–29 birth cohort) because the algorithm did not converge when they were included in the analysis pool