Table 1.

Characteristics of 3765 participants by cumulative marijuana use category at Coronary Artery Risk Development in Young Adults Study year 10 (calendar years, 1995–1996)

CharacteristicCumulative Marijuana Use at Yr 10 (Marijuana-Yr)
Never Used (n=634)>0–<0.5 (n=1744)0.5–<2 (n=930)2–<5 (n=330)≥5 (n=127)
Mean age (SD), yr34 (4)35 (4)35 (3)35 (4)35 (3)
Race and sex, n (%)
 Black women237 (37)560 (32)165 (18)74 (22)15 (12)
 Black men113 (18)253 (15)251 (27)120 (36)34 (27)
 White women153 (24)572 (33)241 (26)41 (12)16 (13)
 White men131 (21)359 (21)273 (29)95 (29)62 (49)
Study site, n (%)
 Birmingham, AL271 (43)402 (23)144 (15)55 (17)21 (17)
 Chicago, IL157 (25)379 (22)213 (23)52 (16)17 (13)
 Minneapolis, MN129 (20)428 (25)310 (33)125 (38)42 (33)
 Oakland, CA77 (12)535 (31)263 (28)98 (30)47 (37)
Annual income, n (%)
 <$25,000132 (21)294 (17)212 (23)114 (35)31 (24)
 $25,000–<$50,000248 (39)596 (34)333 (36)114 (35)49 (39)
 ≥$50,000254 (40)850 (49)385 (41)102 (31)47 (37)
Employment, n (%)
 Working536 (86)1474 (86)781 (85)266 (82)108 (87)
 Unemployed61 (10)148 (9)110 (12)52 (16)14 (11)
 Homemaker29 (4)89 (5)28 (3)7 (2)2 (2)
Highest level of education, n (%)
 Less than high school21 (3)53 (3)67 (7)27 (8)11 (9)
 High school completed124 (20)279 (16)224 (24)108 (33)36 (28)
 College or more489 (77)1408 (81)639 (69)195 (59)80 (63)
Mean systolic BP (SD), mmHg110 (12)109 (13)111 (13)113 (13)113 (11)
Mean diastolic BP (SD), mmHg73 (10)72 (10)72 (11)74 (10)72 (10)
Diabetes, n (%)50 (8)119 (7)55 (6)17 (5)5 (4)
Hyperlipidemia, n (%)151 (24)390 (22)222 (24)67 (20)34 (27)
Mean body mass index (SD), kg/m228.4 (6.7)27.4 (6.9)27.2 (5.8)27.9 (6.6)26.4 (4.4)
Mean physical activity score (SD)239 (229)280 (245)310 (259)335 (282)342 (272)
Current marijuana use, days per month, n (%)
 None634 (100)1703 (98)748 (80)119 (36)17 (13)
 1–10 d0 (0)41 (2)179 (19)144 (44)24 (19)
 11–29 d0 (0)0 (0)3 (0.3)55 (17)51 (40)
 30 d (daily)0 (0)0 (0)0 (0)12 (4)35 (28)
Tobacco smoking, n (%)
 Never550 (87)1055 (60)264 (28)86 (26)32 (25)
 Former45 (7)361 (21)285 (31)87 (26)32 (25)
 Current39 (6)328 (19)381 (41)157 (48)63 (50)
Cumulative yr of tobacco use until yr 10 among ever tobacco smokers, mean (SD)1.4 (4.5)4.5 (7.3)9.2 (8.4)9.9 (8.8)10.2 (8.7)
Cumulative yr of heavy and binge drinking until yr 10 among ever drinkers, mean (SD)3.2 (4.3)4.0 (4.8)6.2 (5.3)7.5 (5.8)9.4 (5.9)
Cumulative yr of cocaine, amphetamine, and heroin use until yr 10 among ever users, mean (SD)0.1 (0.2)0.2 (0.4)0.4 (0.7)0.7 (1.0)0.7 (0.9)