Table 1. Baseline Characteristics of the Total Study Population (n = 657) from the SMC-C (2003–2009)a.
| MI cases (n = 114) | MI controls (n = 237) | Stroke cases (n = 153) | Stroke controls (n = 153) | total population (n = 657) | |
|---|---|---|---|---|---|
| characteristics | |||||
| sex [% (n)] | |||||
| female | 100 (114) | 100 (237) | 100 (153) | 100 (153) | 100 (657) |
| male | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| age (years) | 72 (7.3) | 72 (7.4) | 72 (7.2) | 72 (7.1) | 72 (7.3) |
| sample year, mean | 2006 | 2006 | 2006 | 2006 | 2006 |
| education (years) [% (n)] | |||||
| <12 | 68 (77) | 68 (161) | 68 (104) | 66 (101) | 67 (443) |
| ≥12 | 32 (37) | 32 (76) | 32 (49) | 34 (52) | 32 (214) |
| BMI (kg/m2) | 27 (4.6) | 26 (4.3) | 27 (4.6) | 26 (4.3) | 26 (4.4) |
| history of diabetes [% (n)] | 7 (8) | 3 (8) | 3 (5) | 2 (4) | 3.8 (25) |
| history of hypertension [% (n)] | 50 (57) | 39 (93) | 50 (76) | 44 (67) | 45 (293) |
| family history of CVD [% (n)] | 41 (47) | 38 (90) | 36 (55) | 35 (53) | 37 (245) |
| smoking status [% (n)] | |||||
| never smoker | 45 (51) | 57 (135) | 53 (81) | 60 (92) | 55 (359) |
| former smoker | 35 (40) | 34 (80) | 35 (53) | 31 (48) | 34 (221) |
| current smoker | 20 (23) | 9 (22) | 12 (19) | 8 (13) | 12 (77) |
| physical activity [% (n)] | |||||
| active | 25 (28) | 28 (67) | 27 (42) | 26 (40) | 27 (177) |
| inactive | 75 (86) | 72 (170) | 73 (111) | 74 (113) | 73 (480) |
| diet [% (n)] | |||||
| unhealthy | 23 (27) | 15 (35) | 16 (25) | 10 (15) | 16 (102) |
| moderately healthy | 61 (69) | 61 (144) | 63 (97) | 67 (102) | 63 (412) |
| healthy | 16 (18) | 24 (58) | 20 (31) | 24 (36) | 22 (143) |
| total cholesterol (mmol/L) | 5.9 (0.9) | 5.8 (1.0) | 5.9 (1.2) | 5.8 (1.1) | 5.8 (1.1) |
| LDL (mmol/L) | 3.6 (0.9) | 3.5 (1.0) | 3.5 (1.0) | 3.5 (1.0) | 3.5 (1.0) |
| HDL (mmol/L) | 1.5 (0.4) | 1.6 (0.4) | 1.6 (0.4) | 1.6 (0.4) | 1.5 (0.4) |
| triglyceride (mmol/L) | 1.5 (0.7) | 1.3 (0.6) | 1.4 (0.7) | 1.3 (0.6) | 1.4 (0.6) |
| OC_C | –0.01 (1.0) | –0.02 (1.0) | 0.10 (1.0) | 0.02 (1.1) | 0.02 (1.0) |
| PFAS_C | –0.23 (0.8) | 0.05 (1.1) | 0.08 (1.1) | 0.12 (1.0) | 0.02 (1.0) |
a
Continuous variables are given as mean (standard deviation), and categorical variables are given as percentage (number). OC and PFAS are rotated principal component scores representing 19 OCs and 5 PFAS. Abbreviations: BMI, body mass index; HDL, high-density lipoprotein; LDL, low-density lipoprotein; MI, myocardial infarction; OC_C, organochlorine compound component; PFAS_C, per- and polyfluoroalkyl substance component.