Skip to main content
. Author manuscript; available in PMC: 2020 Apr 1.
Published in final edited form as: Environ Res. 2018 Oct 28;171:36–43. doi: 10.1016/j.envres.2018.10.027

Table 1.

Characteristics of the 3820 participants (5216 observations) from the Framingham Offspring and Third Generation cohorts.

Characteristics Offspring Cohort
Mean(SD) or N[%]
Third Generation
Cohort
Mean(SD) or N[%]
Overall
Mean(SD) or
N[%]

Cycle 7 Cycle 8 Cycle 1
Number of observations 1846 1549 1821 5216
Age, years 61.7 (9.5) 67.3 (9.1) 40.1 (8.9) 55.8 (14.9)
Women 987 [53.5] 836 [54.0] 971 [53.3] 2794 [53.6]
Body mass index, kg/m2 28.4 (5.3) 28.6 (5.4) 27.0 (5.6) 28.0 (5.5)
Alcohol, drinks/week 4.5 (7.0) 4.0 (6.7) 4.3 (6.2) 4.3 (6.6)
Smoking status
 Non-smoker 792 [42.9] 665 [42.9] 1255 [68.9] 2712 [52.0]
 Former smoker 1054 [57.1] 884 [57.1] 566 [31.1] 2504 [48.0]
Pack year 14.1 (20.6) 14.1 (20.6) 3.5 (9.0) 10.4 (18.2)
Educational attainmenta
 High school or less 667 [36.1] 549 [35.4] 266 [14.6] 1482 [28.4]
 Some college 563 [30.5] 483 [31.2] 575 [31.6] 1621 [31.1]
 College graduate 586 [31.7] 517 [33.4] 976 [53.6] 2079 [39.9]
Diabetes 245 [13.3] 288 [18.6] 55 [3.0] 588 [11.3]
Cardiovascular disease 240 [13.0] 263 [17.0] 28 [1.5] 531 [10.2]
Antihypertensive use 681 [36.9] 920 [59.4] 186 [10.2] 1787 [34.3]
Statins use 422 [22.9] 661 [42.7] 124 [6.8] 1207 [23.1]
CD40 ligandb, ng/ml 1.6 (2.0) - - 1.6 (2.0)
ICAM-1b,c, ng/ml 244.8 (57.9) 291.3 (91.4) 240.1 (57.8) 255.8 (70.5)
Interleukin-18b, pg/ml 250.8 (94.6) - - 250.8 (94.6)
LpPLA2 activityb,c, nmol/min/ml 138.2 (34.4) 134.2 (34.8) 160.8 (36.6) 144.5 (37.2)
LpPLA2 massb,c, ng/ml 282.5 (89.8) 192.5 (51.4) 225.8 (46.2) 233.2 (72.2)
MCP-1b,c, pg/ml 312.4 (104.4) 374.4 (116.2) 331.1 (109.9) 336.3 (112.6)
P-selectinb,c, ng/ml 35.3 (13.3) 39.1 (12.6) 45.4 (16.8) 39.7 (14.9)
Osteoprotegerinb,c, pmol/l 5.4 (1.7) 4.8 (1.6) - 5.1 (1.7)

Abbreviation: SD, standard deviation; ICAM-1, intercellular adhesion molecule 1; LpPLA2, lipoprotein-associated phospholipase A2; MCP-1, monocyte chemoattractant protein 1.

a

30 (1.6%) and 4 (0.2%) participants in examination cycle 7 and 1, respectively, were missing educational attainment data and were assigned missing indicators.

b

Geometric mean and standard deviation.

c

1352 participants had two measurements of ICAM-1, 1376 participants had two measurements of LpPLA2 activity and LpPLA2 mass, 1328 participants had two measurements of MCP-1, 1395 participants had two measurements of P-selectin, and 1392 participants had two measurements of osteoprotegerin.